CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Butler County, Pennsylvania
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	152,013	100.0	174,083	100.0	22,070	14.5
In households	146,495	96.4	167,611	96.3	21,116	14.4
In group quarters	5,518	3.6	6,472	3.7	954	17.3
HOUSEHOLD SIZE
Total households	55,215	100.0	65,929	100.0	10,714	19.4
1-person household	12,264	22.2	15,935	24.2	3,671	29.9
2-person household	17,512	31.7	22,451	34.1	4,939	28.2
3-person household	10,213	18.5	11,039	16.7	826	8.1
4-person household	9,488	17.2	10,571	16.0	1,083	11.4
5-or-more-person household	5,738	10.4	5,933	9.0	195	3.4
Mean number of persons per household	2.65	(X)	2.54	(X)	-0.11	(X)
VEHICLES AVAILABLE1
Total households	55,215	100.0	65,929	100.0	10,714	19.4
No vehicle available	4,105	7.4	3,812	5.8	-293	-7.1
1 vehicle available	17,739	32.1	20,107	30.5	2,368	13.3
2 vehicles available	22,942	41.6	29,354	44.5	6,412	27.9
3 vehicles available	7,548	13.7	9,308	14.1	1,760	23.3
4 vehicles available	1,928	3.5	2,514	3.8	586	30.4
5 or more vehicles available	953	1.7	834	1.3	-119	-12.5
Mean vehicles per household	1.80	(X)	1.84	(X)	0.04	(X)
WORKERS BY SEX1
Workers 16 years and over	67,671	100.0	81,105	100.0	13,434	19.9
Male	38,800	57.3	44,890	55.3	6,090	15.7
Female	28,871	42.7	36,210	44.6	7,339	25.4
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	67,671	100.0	81,104	100.0	13,433	19.9
Drove alone	54,228	80.1	68,850	84.9	14,622	27.0
Carpooled	7,755	11.5	6,717	8.3	-1,038	-13.4
Public transportation (including taxicab)	204	0.3	313	0.4	109	53.4
Bicycle or walked	3,156	4.7	2,312	2.9	-844	-26.7
Motorcycle or other means	392	0.6	374	0.5	-18	-4.6
Worked at home	1,936	2.9	2,538	3.1	602	31.1
TRAVEL TIME TO WORK
Workers who did not work at home	65,735	100.0	78,566	100.0	12,831	19.5
Less than 5 minutes	2,787	4.2	3,185	4.1	398	14.3
5 to 9 minutes	9,478	14.4	9,475	12.1	-3	[ <0 ]
10 to 14 minutes	11,293	17.2	12,137	15.4	844	7.5
15 to 19 minutes	10,833	16.5	11,385	14.5	552	5.1
20 to 29 minutes	12,737	19.4	13,918	17.7	1,181	9.3
30 to 44 minutes	11,277	17.2	15,890	20.2	4,613	40.9
45 or more minutes	7,330	11.2	12,576	16.0	5,246	71.6
Mean travel time to work (minutes)	21.1	(X)	25.3	(X)	4.2	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	65,735	100.0	78,566	100.0	12,831	19.5
5:00 a.m. to 6:59 a.m.	18,581	28.3	24,087	30.7	5,506	29.6
7:00 a.m. to 7:59 a.m.	18,760	28.5	22,673	28.9	3,913	20.9
8:00 a.m. to 8:59 a.m.	10,265	15.6	11,934	15.2	1,669	16.3
9:00 a.m. to 9:59 a.m.	3,334	5.1	3,836	4.9	502	15.1
10:00 a.m. to 11:59 a.m.	1,881	2.9	2,276	2.9	395	21.0
12:00 p.m. to 11:59 p.m.	11,318	17.2	11,473	14.6	155	1.4
12:00 a.m. to 4:59 a.m.	1,596	2.4	2,287	2.9	691	43.3
1See the entry for this item in the Technical Notes in the root directory or state subdirectories (filename: tech_notes.txt). <0Negative value is too near zero to display. (X)Not applicable. Source:U.S. Census Bureau. Census of Population and Housing, 1990 and 2000 long-form (sample) data.

CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 2. Profile of Selected 2000 Characteristics
Geographic Area: Butler County, Pennsylvania
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	174,083	100.0
Under 16 years	38,193	21.9
16 to 20 years	12,131	7.0
21 to 24 years	7,687	4.4
25 to 44 years	51,237	29.4
45 to 64 years	39,998	23.0
65 years and over	24,837	14.3
Mean age (years)	37.4	(X)
HOUSEHOLD INCOME IN 19991
Total households	65,929	100.0
Less than $15,000	9,551	14.5
$15,000 to 19,999	4,546	6.9
$20,000 to 24,999	4,464	6.8
$25,000 to 49,999	19,666	29.8
$50,000 to 74,999	13,709	20.8
$75,000 to 99,999	7,073	10.7
$100,000 or more	6,920	10.5
Mean household income (dollars)	53,955	(X)
Median household income (dollars)	42,308	(X)
Household Size by Vehicles Available1
Household Size		Mean vehicles per household	Vehicles available
			Total households	No vehicle	1 vehicle	2 vehicles	3 vehicles	4 or more vehicles
Total households		1.84	65,930	3,810	20,105	29,355	9,310	3,350
	Row percent	(X)	100.0	5.8	30.5	44.5	14.1	5.1
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.01	15,935	2,730	10,925	1,785	380	115
	Row percent	(X)	100.0	17.1	68.6	11.2	2.4	0.7
	Column percent	(X)	24.2	71.7	54.3	6.1	4.1	3.4
2-person household		1.88	22,450	610	5,590	12,945	2,635	670
	Row percent	(X)	100.0	2.7	24.9	57.7	11.7	3.0
	Column percent	(X)	34.1	16.0	27.8	44.1	28.3	20.0
3-person household		2.18	11,040	240	1,805	5,685	2,580	730
	Row percent	(X)	100.0	2.2	16.3	51.5	23.4	6.6
	Column percent	(X)	16.7	6.3	9.0	19.4	27.7	21.8
4-or-more-person household		2.35	16,505	230	1,785	8,940	3,710	1,830
	Row percent	(X)	100.0	1.4	10.8	54.2	22.5	11.1
	Column percent	(X)	25.0	6.0	8.9	30.5	39.8	54.6
Means of Transportation to Work by Travel Time to Work1
Means of Transportation		Mean travel time to work (minutes)	Travel time to work
			Workers who did not work at home	Less than 10 minutes	10 to 19 minutes	20 to 29 minutes	30 to 44 minutes	45 or more minutes
Workers who did not work at home		25.3	78,565	12,660	23,520	13,920	15,890	12,575
	Row percent	(X)	100.0	16.1	29.9	17.7	20.2	16.0
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		25.2	68,850	10,320	20,740	12,730	14,340	10,725
	Row percent	(X)	100.0	15.0	30.1	18.5	20.8	15.6
	Column percent	(X)	87.6	81.5	88.2	91.5	90.2	85.3
Carpooled		28.1	6,715	880	1,975	965	1,425	1,475
	Row percent	(X)	100.0	13.1	29.4	14.4	21.2	22.0
	Column percent	(X)	8.5	7.0	8.4	6.9	9.0	11.7
Public transportation (including taxicab)		55.0	315	4	45	15	55	195
	Row percent	(X)	100.0	1.3	14.3	4.8	17.5	61.9
	Column percent	(X)	0.4	[ >0 ]	0.2	0.1	0.3	1.6
Bicycle or walked		9.7	2,310	1,405	630	185	40	55
	Row percent	(X)	100.0	60.8	27.3	8.0	1.7	2.4
	Column percent	(X)	2.9	11.1	2.7	1.3	0.3	0.4
Motorcycle or other means		62.6	375	50	140	20	35	130
	Row percent	(X)	100.0	13.3	37.3	5.3	9.3	34.7
	Column percent	(X)	0.5	0.4	0.6	0.1	0.2	1.0
1See the entry for this item in the Technical Notes in the root directory or state subdirectories (filename: tech_notes.txt). >0Value is too near zero to display. (X)Not applicable. Source:U.S. Census Bureau. Census of Population and Housing, 1990 and 2000 long-form (sample) data.