MINOR CIVIL DIVISION CHANGES
By County and Year:
1960 to 1998
Adams
1960-70
Bonneauville Borough incorporated from part of Mount Pleasant Township.
Part of Germany Township annexed by Littlestown Borough.
1970-80
Carroll Valley Borough was incorporated from Liberty Township and from Hamiltonban Township.
Gettysburg Borough annexed area from Cumberland Township.
Littlestown Borough annexed area from Germany Township.
Allegheny
1960-70
Sewickley Township incorporated as Bell Acres Borough.
Name of Bethel Borough changed to Bethel Park.
Part of Penn Hills Township annexed by Churchill Borough.
Franklin Township incorporated as Franklin Park Borough.
Name of Snowden Township changed to South Park.
1970-80
The county boundary with Westmoreland County was changed.
Pennsbury Village Borough was incorporated from part of Robinson Township.
Baldwin Borough detached area to Whitehall Borough.
Sewickley Hills Borough annexed area from and detached area to Franklin Park Borough.
1980-90
Part of Trafford Borough, Westmoreland County, transferred to Allegheny County.
Municipality of Monroeville Borough previously Monroeville Borough.
Municipality of Monroeville Borough detached to Pitcairn Borough.
Deleted Census Designated Places: Baldwin, Crescent, East Deer, Kilbuck, Leet, Neville,
Ohio.
1990 to present
Jefferson Borough was renamed Jefferson Hills Borough (November 1998).
Armstrong
1960-70
Part of Kiskiminetas Township annexed by Apollo Borough.
Part of Manor Township annexed by Ford City Borough.
Part of South Buffalo Township annexed by Freeport Borough.
Part of Gilpin Township annexed by Leechburg Borough.
Part of Rayburn Township annexed by Kittanning Borough.
1970-80
Leechburg Borough annexed area from Gilpin Township.
Parker City was returned in 1970 as Parker City.
1980-90
Water area transferred to Clarion County.
County boundary shifted from the middle of the Allegheny River to the Armstrong County
shoreline.
Beaver
1960-1790
Part of Big Beaver Borough detached and area annexed by Koppel Borough.
Part of Harmony Township annexed by Ambridge Borough.
Part of Borough Township annexed by Blaver Borough.
Part of Center Township annexed by Monaca Borough.
Part of North Sewickley Township annexed by Ellwood City Borough.
Ohioville Township incorporated as Ohio Borough.
1970-80
Midland Borough annexed area from Industry Borough.
Borough Township was renamed Vanport Township.
1980-90
Patterson Township annexed from Chippewa Township.
Deleted Census Designated Places: Pulaski Township, Vanport, White Township.
Bedford
1960-70
Part of West Providence Township annexed by Everett Borough.
part of Liberty Township annexed by Saxton Borough.
Part of Napier Township annexed by Schellsburg Borough.
1970-80
Bedford Borough annexed area from Bedford Township.
In 1970, Kimmel Township was returned as Kimmell.
Snake Spring Township was returned as Snake Spring Valley.
1990 to present
Union Township name changed to Pavia Township.
Berks
1960-70
Parts of Cumru, Mhulenberg and Lower Alsace Townships annexed by Reading City.
Part of Richmond Township annexed by Fleetwood Borough.
Parts of Heidelberg and South Heidelberg Townships annexed by Wernersille Borough.
Part of Longswamp Township annexed by Topton Borough.
Part of Maxatawny Township annexed by Kutztown Borough.
1970-80
Womelsdorf Borough annexed area from Heidelberg Township.
The boundaries were changed between Cumru and Spring Townships and Shillington Borough.
Part of Lower Alsace Township was added to Exeter Township.
1980-90
Albany and Longswamp Townships lost and gained areas.
Greenwich and Hereford Townships lost area.
Maxatawny Township gained area in boundary changed with Lehigh County.
Deleted Census Designated Places: New Berlinville.
1990 to present
New Morgan Borough created from parts of Caernarvon and Robeson Townships.
Temple Borough abolished. Its area merged with Muhlenberg Township (January 1999).
Blair
1960-70
Part of Allegheny Township annexed by Tunnelhill Borough.
Part of Logan Township annexed by Altoona City.
Part of Antis Township annexed by Bellwood Borough.
Parts of Blair Township annexed by Hollidaysburg and Newry Boroughs
Part of North Woodbury Township annexed by Martinsburg Borough.
Part of Taylor Township annexed by Roaring Spring Borough.
Part of Snyder Township annexed by Tyrone Borough.
1970-80
Duncansville and Tunnelhill Boroughs annexed area from Allegheny Township.
Roaring Spring Borough annexed area from Taylor Township.
Hollidaysburg Borough annexed areas from Blair and Allegheny Townships.
1980-90
Deleted Census Designated Place: Juniata Gap
Bradford
1960-70
Barclay Township consolidated with and designated as Franklin Township.
1970-80
Troy Borough annexed area from Troy Township
Bucks
1960-70
Part of New Britain Township annexed by Chalfont Borough.
Part of Doylestown Township annexed by Doylestown Borough.
Part of Newtown Township annexed by Newton Borough.
Part of Richland Township annexed by Quakertown Borough
Parts of West Rockhill Township annexed by Telford and Sellersville Boroughs.
1970-80
Perkasie Borough annexed area from East Rockhill Township.
Chalfont Borough annexed area from New Britain Township.
1980-90
Milford Township lost area to Lower Milford Township, Lehigh County.
Springfield Township lost area to and gained area from Upper Saucon Township, Lehigh County.
Deleted Census Designated Places: Bensalem Township (part now Cornwell
Heights-Eddington CDP); Bristol Township (part now Croydon, Fairless Hills and Levittown,
CDP); Falls Township (now part Fairless Hills and Levittown CDP); Lower Southampton
Township (part now Feasterville-Trevose CDP); Upper Southampton Township; Warminster
Township (part now Warminster Heights CDP).
Butler
1960-70
Part of Forward Township annexed by Callery Borough.
Part of Donegal Township annexed by Chicora Borough.
Parts of Jackson Township annexed by Evans City and Zelienople Boroughs.
Parts of Fairview Township annexed by Petrolia and Karns City Boroughs.
Part of Jefferson Township annexed by Saxonburg Borough.
1970-80
Mars Borough annexed area from Adams Township.
Evans City Borough annexed areas from Forward and Jackson Townships.
1980-90
Seven Fields Borough incorporated with Cranberry Township.
Cambria
1960-1970
Part of Cambria Township annexed by Ebensburg Borough.
Parts of Elder and Susquehanna Townships annexed by Hastings Borough.
Part of Gallitzin Township annexed by Gallitzin Borough.
Part of Lower Yoder Township annexed by Westmont Borough.
Part of Westmont Borough detached and area annexed by Johnstown City.
Part of Portage Township annexed by Portage Borough.
1970-80
Barnesboro and Spangler Boroughs annexed areas from Barr Township.
Patton Borough annexed area from East Carroll Township.
Hastings Borough annexed area from Susquehanna Township.
1980-90
Southmont Borough and Westmont Borough annexed area from and detached area to each other.
Deleted Census Designated Place: Westwood.
Carbon
1960-70
Part of Mauch Chunk Township annexed by Jim Thorpe Borough.
Part of Summit Hill Borough detached and area annexed by Lansford Borough.
Mauch Chunk Township incorporated as Nesquehoning Borough.
1980-90
East Penn Township gained area from Heidelberg and Washington Townships, Lehigh County.
Lehighton Borough annexed from Mahoning Township.
Centre
1960-70
Part of Spring Township annexed by Bellefonte Borough
Parts of College and Ferguson Townships annexed by State College Borough.
Part of Howard Borough detached and area reverted to Howard Township.
Part of Rush Township annexed by Philipsburg Borough.
Part of Snow Shoe Township annexed by Snow Shoe Borough.
1970-80
Philipsburg Borough annexed area from Rush Township.
1980-1990
Deleted Census Designated Place: Lemont
Chester
1960-70
Part of Sadsbury Township annexed by Atglen Borough.
Part of Valley Township annexed by Coatesville City.
Part of East Caln Township annexed by Downingtown Borough.
Parts of East Nottingham and Lower Oxford Township annexed by Oxford Borough,.
Part of Willistown Township annexed by Malvern Borough. Parts of Schuylkill Township
annexed by Phonexiville Borough.
1970-80
Coatesville City annexed area from Valley Township.
Parkesburg Borough annexed area from Sadsburg Township.
Clarion
1960-70
Part of Beaver Township annexed by Knox Borough.
Part of Clarion Township annexed by Clarion Borough.
Part of Elk Township annexed by Shippenville Borough.
1970-80
Emlenton Borough annexed into Clarion County; the area annexed was from Richland Township. Knox Borough annexed area from Beaver Township.
Hawthorn Borough was returned in 1970 as Hawthorne.
1980-90
Water area added from Armstrong County
County boundary shifted from the middle of the Allegheny River to the Armstrong County
shoreline.
Clearfield
1960-70
Part of Lawrence Township annexed by Clearfield Borough.
1970-80
Osceola Borough was renamed Osceola Mills Borough.
1980-90
Brisbin Borough annexed from Woodward Township.
Clinton
1960-70
Part of Bald Eagle Township annexed by Mill Hall Borough.
Part of Beech Creek Township annexed by Beech Creek Borough.
Crawford
1960-70
Part of Cambridge Township annexed by Cambridge Springs Borough.
Part of West Mead Township annexed by Meadville City.
Part of Meadville City detached and area reverted to Vernon Township.
1970-80
Titusville City annexed area from Oil Creek Township.
Meadville City annexed area from West Mead Township.
1980-90
Springboro annexed from Spring Township.
Cumberland
1960-70
Parts of North Middleton and South Middleton Townships annexed by Carlisle Borough.
Parts of Silver Spring and Upper Allen Township annexed by Mechanicsburg Borough.
Part of Shippensburg Township annexed by Shippensburg Borough.
1970-80
Carlisle Borough annexed area from South Middleton Township
1980-90
Deleted Census Designated Places: Carlisle Barracks.
Dauphin
1960-70
Part of Washington Township annexed by Elizabethville Borough.
Part of Lykens Township annexed by Gratz Borough.
Part of Wiconisco Township annexed by Lykens Borough.
Part of Lower Swatara Township annexed by Middletown Borough.
Name of Uniontown Borough changed to Pillow since 1960.
1970-80
Elizabethville Borough annexed area from Washington Township.
Millersburg Borough annexed area from Upper Paxton Township.
1980-90
Deleted Census Designated Places: Swatara Township (part now Bressler-Enhaut-Oberlin, Lawnton, and Rutherford); Wiconisco.
Delaware
1960-70
Part of Upper Providence Township annexed by media Borough.
1970-80
Edgmont Township was returned in 1970 as Edgemont
1980-90
Deleted Census Designated Places: Aston Township (part now Village Green-Green Ridge
CDP); Haverford Township (part now Ardmore and Radnor Township CDPs); Lower Chichester
Township (part now Linwood CDP); Marple Township (part now Broomall CDP); Middletown
Township (part now Lima CDP); Ridley Township) part now Folsom and Woodlyn CDPs); Upper
Chichester Township (part now Boothwyn CDP); Upper Darby Township (part now Crexel Hill
CDP).
Elk
1990 to Present
Benzinger Township abolished. Its area merged with St. Mary's Borough. St Mary's
Borough became a City.
Erie
1960-70
Part of Washington Township annexed by Edinboro Borough.
Part of Girard Township annexed by Girard Borough.
Pat of Harborcreek Township annexed by Wesleyville Borough.
Part of North East Township annexed by North East Borough.
Part of Union Township annexed by Union City Borough.
Unorganized Territory of Presque Isle returned as part of Millcreek Township in 1960.
1970-80
Corry City annexed area from Wayne Township.
Edinboro Borough annexed area from Washington Township.
East Springfield Borough was merged with Springfield Township.
Middleboro Borough was renamed McKean Borough.
The 1970 population of Erie City was revised to include the area incorrectly reported
as the Unorganized Territory of Presque Isle.
1990 to present
Place code for Millcreek Township changed from 49600 to 49548.
Fairview Borough and Fairview Township consolidated into new Fairview Township.
Fayette
1960-70
Part of Connellsville Township annexed by Connellsville City.
Part of German Township annexed by Mason Borough. Parts of South Union and North Union
Townships annexed by Uniontown City.
Part of Saltlick Township annexed by Seven Springs Borough.
1970-80
Connellsville City annexed area from Connellsville Township.
Fairchance Borough annexed area from Georges Township.
1980-90
Republic Census Designated Place previously Republic-Merrittstown CDP.
Deleted Census Designated Place: Fairhope-Arnold City, North Connellsville, South
Uniontown.
Franklin
1960-70
Part of Antrim Township annexed by Greencastle Borough.
Parts of Greene, Gulford and Hamilton Townships annexed by Chambersburg Borough.
Parts of Montgomery and Petes Townships annexed by Mercersburg Borough.
Part of Quincy Township annexed by Mont Alto Borough.
Part of Southampton Township annexed by Shippensburg Borough.
Part of Washington Township annexed by Waynesboro Borough.
1970-80
Greencastle Borough annexed area from Antrim Township.
Waynesboro Borough annexed area from Washington Township.
1980-90
Deleted Census Designated Place: State Line.
Fulton
1960-70
Part of Todd Township annexed by McConnellsburg Borough.
Greene
1960-70
Part of Franklin Township annexed by Waynesburg Borough.
1970-80
The boundary was changed between Franklin and Morgan Townships.
1980-90
Deleted Census Designated Place: Bobtown.
Huntingdon
1960-70
Parts of Brady and Union Townships annexed by Mapletown Borough.
Part of Logan Township annexed by Petersburg Borough.
Part os Oneida and Smithfield Townships annexed by Huntingdon Borough.
Todd Township returned as Tod in 1960.
1970-80
Huntingdon Borough annexed area from Oneida Township.
Rockhill Furnace Borough was returned in 1970 as Rockhill.
1980-90
Warriors Mark Township previously shown as Warriorsmark Township.
Indiana
1960-70
Part of White Township annexed by Indiana Borough.
1970-80
Ernest Borough was incorporated from part of Rayne Township.
1990 to present
Jacksonville Borough merged into Black Lick Township.
Jefferson
1960-70
Part of Rose Township annexed by Brookville Borough.
Part of Young Township annexed by Punxsutawney Borough.
Lackawanna
1960-70
1960 population of Archbald and Jermyn Boroughs revised since publication of 1960 reports.
Part of South Abington Township annexed by Clarks Summit Borough.
Name of Winton Borough changed to Jessup since 1960.
1970-80
Moscow Borough annexed area from Roaring Brook Township.
Lancaster
1960-70
Parts of Ephrata and West Earl Townships annexed by Akron Borough.
Parts of Wet Hempfield and Manor Townships annexed by Columbia Borough.
Part of Earl Township annexed by new Holland Borough.
Parts of East Donegal Township annexed by Marietta and Mount Joy Boroughs.
Part of Eden Township annexed by Quarryville Borough.
Part of Mount Joy Township annexed by Elizabethtown Borough.
Part of Ephrata Township annexed by Ephrata Borough.
Parts of Lancaster, Manheim and West Lampeter Townships annexed by Lancaster City.
Parts of Lancaster and Manor Townships annexed by Millersville Borough.
Part of Warwick Township annexed by Lititz Borough.
Parts of Penn and Rapho Townships annexed by Manheim Borough.
Part of Manor Township annexed by Washington Borough.
Part of West Hempfield Township annexed by Mountville Borough.
1970-80
Washington Borough was consolidated with Manor Township.
Akron Borough annexed area from West Earl Township.
Columbia and Mountville Boroughs annexed area from West Hempfield Township.
Elizabethtown Borough annexed area from Mount Joy Township.
Ephrata Borough annexed area from Ephrata Township.
Lititz Borough annexed area from Warwick Township.
Marietta Borough annexed area from East Donegal Township.
Mount Joy Borough annexed areas from Rapho and East Donegal Townships.
New Holland Borough annexed area from Earl Township.
Strasburg Borough annexed area from Strasburg Township.
1980-90
Denver Borough annexed from West Cocalico Township
Manheim Borough annexed from Rapho Township.
Montville Borough annexed from West Hempfield Township.
New Holland Borough annexed from Earl Township.
Lawrence
1960-70
Big Beaver Township incorporated as New Beaver Borough.
Part of Wilmington Township annexed by Wilmington Borough.
1970-80
S.N.P.J. Borough was incorporated from part of North Beaver Township.
1980-90
Volant Borough annexed from Wilmington Township.
Deleted Census Designated Places: Coaltown, West Pittsburg.
Lebanon
1960-70
Parts of Jackson and Millcreek Townships annexed by Richland Borough.
Part of Jackson Township annexed by Myerstown Borough.
Parts of North Cornwalll and North Lebanon Townships annexed by Lebanon City.
Part of North Londonderry Township annexed by Palmyra City.
1970-80
Lebanon City annexed areas from North Cornwall and South Lebanon Townships.
1980-90
Avon Heights Census Designated Place previously Avon Census Designated Place.
Lehigh
1960-70
Part of Lower Macungie Township annexed by Alburtis Borough.
Part of South Whitehall Township annexed by Allentown City.
Part of Upper Sucon Township annexed by Emmaus Borough.
Parts of Lower Macungie and Upper Milford Townships annexed by Macungie Borough.
1970-80
Emmaus Borough annexed area from Lower Macungie Township.
Some Township boundaries were changed; parts of Lowhill, North Whitehall, and Washington Townships were added to Heidelberg Township.
Parts of North Whitehall and Weisenburg Townships were added to Lowhill Township.
Part of Heidelberg Township was added to Lynn Township.
Part of Lowhill Township was transferred to North Whitehall Township.
Parts of Lowhill and Weisenberg Townships were added to Upper Macungie Township.
Part of Lowhill Township was added to Weisenberg Township.
1980-90
Heidelberg and Washington Townships lost area to East Penn Township, Caron County.
Lower Milford Township gained area from Milford Township, Bucks County and Upper Hanover Township, Montgomery County,
Lynn Township gained area from and lost area to West Penn Township, Schuylkill County.
Upper Saucon Township gained area from and lost area to Springfield Township, Bucks County and Lower Saucon Township, Northampton County.
Boundary change with Berks County affected Lynn, Weisenberg, Upper Macungie, Lower Macungie, Upper Milford and Lower Milford Townships (all gained area except Lynn which gained and lost area).
Catasauqua Borough annexed from Hanover Township.
Deleted Census Designated Place: Hanover Township.
Luzerne
1960-70
Part of Sugarloaf Township annexed by Conyngham Borough.
Part of Dallas Township annexed by Dallas Borough.
Harveys Lake Borough incorporated from parts of Lake and Lehman Townships.
Part of Hazleton Township annexed by West Hazelton Borough.
1970-80
Penn Lake Park Borough was incorporated with Bear Creek Township and with Dennison Township.
Swoyersville Borough annexed area from Kingston Township.
1990 to present
Borough of Bear Creek Village incorporated from a portion of Bear Creek Township.
Lycoming
1960-70
Part of Clinton Township annexed by Montgomery Borough.
Part of Loyalsock Township annexed by Williamsport City.
Part of Muncy Creek Township annexed by Muncy Borough.
1980-90
Deleted Census Designated Place: East Faxon, Faxon.
McKean
1960-70
Parts of Bradford and Foster Townships annexed by Bradford City.
Mercer
1960-70
Name of Clarksville Borough changed to Clark since 1960.
Part of South Pymatuning Township annexed by Clark Borough.
Parts of Coolspring and East Lackawannock Townships annexed by Mercer Borough.
Part of Delaware Township annexed by Fredonia Borough.
Part of Findley Township transferred to Wolf Creek Township.
Parts of Hempfield and West Salem Townships annexed by Greenville Borough.
Part of Pine Township annexed by Grove City Borough.
Part of Sandy Lake Township annexed by Stoneboro Borough.
1970-80
Mercer Borough annexed area from East Lackawannock Township.
Hickory Township was renamed Hermitage Township.
1980-90
Hermitage City incorporated (includes all former Hermitage Township).
Stoneboro Borough annexed from Lake Township.
Deleted Census Designated Place: Hillcrest and Sharon North (both incorporated as part of
Hermitage City).
Mifflin
1960-70
Part of Derry Township annexed by Burnham Borough.
Juniata Terrace Borough incorporated from part of Granville Township.
1970-80
Burnham Borough annexed area from Derry Township
1980-90
Juniata Terrace Borough annexed from Granville Township.
Monroe
1990 to Present
Land transferred to Eldred and Polk Townships from Carbon County's Penn Forest, and
Towamensing Townships. Also land transferred to Carbon County's Penn Forest Township from
Monroe County's Polk Township.
Montgomery
1960-70
Part of Upper Gwynedd Township annexed by Lansdale Borough.
Part of West Pottsgrove Township annexed by Pottstown Borough.
1970-80
Schwenksville Borough annexed area from Williams Township.
1980-90
Upper Hanover Township lost area to Lower Milford Township, Lehigh County.
Deleted Census Designated Place: Abington Township (part now Glenside and Willow Grove CDP); Cheltenham Township (now part Glenside and Wyncote CDPs) Lower Merion Township (part now Ardmore, Bryn Mawr and Penn Wynne CDPs); Lower Moreland Township; Plymouth Township (now part Plymouth Meeting CDP); Springfield Township (now part Flourtown, Oreland, and Wyndmoore CDPs), Upper Dublin Township (part now Fort Washington, Maple Glen, and Oreland CDPs); Upper Merion Township (now part King of Prussia CDP); Upper Moreland Township (part now Willow Grove CDP); Whitemarsh Township (part ow Flourtown and Plymouth Meeting CDPs).
Monroe
1970-80
Delaware Water Gap Borough annexed area from Smithfield Township.
The boundary was changed between Paradise and Pocono Townships.
Montour
1960-70
Part of Mahoning Township annexed by Danville Borough.
Northampton
1960-70
Parts of Bethlehem, Forks and Lower Saucon Townships annexed by Easton City.
Part of Glendon Borough detached and area annexed by Easton City.
Part of Plainfield Township annexed by Pen Argyl Borough.
Part of Washington Township annexed by Roseto Borough.
1970-80
Easton City annexed area from Williams Township
1980-90
Lower Saucon Township gained area from and lost area to Upper Saucon Township, Lehigh County.
Old Orchard CDP previously Highland Park CDP.
Hellertown Borough annexed from Lower Saucon Township
Tatamy Borough annexed from Palmer Township.
Northampton Borough and North Catasauqua Borough annexed from and detached area to each
other.
Northumberland
1960-70
Part of Delaware Township annexed by Watsontown Borough.
Part of Mount Carmel Township annexed by Kulpmont Borough.
Parts of Turbut and Wet Chillisquaque Townships annexed by Milton Borough.
Part of Shamokin Township annexed by Snydertown Borough.
1970-80
Milton Borough annexed area from Turbot Township.
Sunbury City annexed area from Upper Augusta Township.
Turbot Township was returned in 1970 as Turbut.
1980-90
Deleted Census Designated Place: Atlas.
Perry
1970-80
Landisburg Borough annexed area from Tyrone Township.
Marysville Borough annexed area from Rye Township.
Newport Borough annexed area from Oliver Township.
Potter
1960-70
Name of Lewisville Borough changed to Ulysses since 1960.
1980-90
East Fork district shown in 1980 as a descontiguous portion of Eulalia Township.
Schuylkill
1960-70
Parts of West Brunswick Township annexed to Orwigsburg and Auburn Boroughs.
Parts of North Manheim Township annexed by Pottsville City and Schuylkill Haven Borough.
Part of Walker Township annexed by Tamqua Borough.
1970-80
Auburn Borough annexed area from South Manheim Township.
McAdoo Borough annexed area from Kline Township.
Rahn Township was consolidated with Tamaqua Borough.
Upper Mahantongo Township was returned in 1970 as Upper Mahantongo.
1980-90
West Penn Township gained area from and lost area to Lynn Township, Lehigh County.
Deleted Census Designated Place: Primrose.
1990 to Present
Boundary correction. Ashland Borough erroneously shown in Columbia County, 1940 to
1990. Ashland Borough deleted from Columbia County.
Snyder
1960-70
McClure Borough incorporated from part of West Beaver Township.
Part of Penn Township annexed by Selinsgrove Borough.
Somerset
1960-70
Part of Brothersvalley Township annexed by Berlin Borough.
Indian Lake Borough incorporated from part of Stonycreek Township.
Part of Jenner Township annexed by Jennerstown Borough.
Seven Springs Borough incorporated from part of Middlecreek Township.
Parts of Paint Township annexed by Paint and Windber Boroughs.
Part of Quemahoning Township annexed by Stoystown Borough.
Part of Somerset Township annexed by Somerset Borough.
1970-80
Callimont Borough (1970 population: 29) was incorporated from part of Larimer Township.
Susquehanna
1960-70
Part of Great Bend Township annexed by Great Bend Borough.
Tioga
1960-70
Part of Hamilton Township annexed by Blossburg Borough.
Union
1960-70
Part of Buffalo Township annexed by Lewisburg Borough.
Part of Limestone Township annexed by New Berlin Borough.
Part of Wet Buffalo Township annexed by Mifflinburg Borough.
Venango
1960-70
Barkeyville Borough incorporated from part of Irwin Township.
Parts of Frenchcreek and Sugar Creek Townships annexed by Franklin City.
Sugar Creek Township incorporated as Sugar Creek Borough.
1970-80
Emlenton Borough annexed areas from Richland and Scrubgrass Townships.
Warren
1960-70
County partially redistricted since 1960.
Cornplanter Indian reservation consolidated with Elk Township.
Part of Glade Township annexed by Warren Borough.
Corydon and Kinzua Townships consolidated with Mead Township.
1980-90
Deleted Census Designated Place: North Warren.
Washington
1960-70
Part of Chartiers Township annexed by Canonsburg Borough.
1970-80
Green Hills Borough was incorporated from part of South Franklin Township.
1980-90
Census Designated Place Name Change: Wickerham Manor-Fisher CDP previously Fisher-Eldora CDP.
Cokeburg Borough annexed from North Bethlehem Township.
Deleted Census Designated Place: Fredericktown (now part of Fredericktown Millsboro
CDP), Langeloth.
Wayne
1960-70
Part of Honesdale Borough detached and area reverted to Texas Township.
Westmoreland
1960-70
Parts of Hempfield Township annexed by Adamsburg and Youngwood Boroughs and Greensburg City.
Name of New Salem Borough changed to Delmont since 1960.
Part of Derry Township annexed by Derry Borough.
Parts of Derry and Unity Townships annexed by Latrobe Borough.
Part of East Huntington Township annexed by Scottdale Borough.
Part of Penn Township annexed by Hanover Borough.
Part of South Huntington Township annexed by Smithton Borough.
Part of Rostraver Township annexed by West Newton Borough.
1970-80
The county boundary with Allegheny County was changed.
New Stanton Borough was incorporated from Hempfield Township prior to 1970, but was erroneously returned as an unincorporated place in 1970.
Greensburg and Jeannette cities and South Greensburg and Youngwood Boroughs annexed areas from Hempfield Township. Jeannette City annexed area from Penn Township.
Ligonier Borough annexed area from Ligonier Township.
Mount Pleasant Borough annexed area from Mount Pleasant Township.
Scottdale Borough annexed area from East Huntingdon Township.
Delmont Borough annexed area from Franklin Township, which was subsequently
incorporated as the Municipality of Murraysville Borough.
1980-90
Part of Trafford Borough transferred to Allegheny County.
Sutersville Borough previously shown as Suterville Borough.
Laurel Mountain Borough incorporated Ligonier Township.
Deleted Census Designated Places: Fellsburg, Slickville, West Derry.
York
1960-70
Part of Carroll Township annexed by Dillsburg Borough.
Part of Dover Township annexed by Dover Borough.
Part of East Manchester Township annexed by Manchester Borough.
Parts of Lower Windsor Township annexed by Glen Rock and Shrewsbury Borough.
Part of Penn Township annexed by Hanover Borough.
Part of Hopewell Township annexed by Stewarts Town Borough.
Part of Jackson Township annexed by Spring Grove Borough.
Part of Springfield Township annexed by Logansville Borough.
Part of Manchester and West Manchester Townships annexed by York City.
Part of Manchester Township annexed by North York Borough.
Parts of Windsor Township annexed by Windsor and Red Lion Borough.
1970-80
Dillsburg Borough annexed area from Carroll Township.
Lewisberry Borough annexed area from Fairview Township
Shrewsbury Borough annexed area from and detached area to Shrewsbury Township.
The boundary was changed between Fairview and Newberry Townships.
1980-90
Deleted Census Designated Place: Pleasureville.
Source: PA State Data Center Prepared by: The Pennsylvania State Data Center, Penn State Harrisburg