CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Centre County, Pennsylvania
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	123,786	100.0	135,758	100.0	11,972	9.7
In households	108,783	87.9	120,967	89.1	12,184	11.2
In group quarters	15,003	12.1	14,791	10.9	-212	-1.4
HOUSEHOLD SIZE
Total households	42,784	100.0	49,336	100.0	6,552	15.3
1-person household	10,045	23.5	13,131	26.6	3,086	30.7
2-person household	14,315	33.5	17,182	34.8	2,867	20.0
3-person household	8,140	19.0	8,144	16.5	4	[ >0 ]
4-person household	6,704	15.7	7,073	14.3	369	5.5
5-or-more-person household	3,580	8.4	3,806	7.7	226	6.3
Mean number of persons per household	2.54	(X)	2.45	(X)	-0.09	(X)
VEHICLES AVAILABLE1
Total households	42,784	100.0	49,336	100.0	6,552	15.3
No vehicle available	3,956	9.2	4,479	9.1	523	13.2
1 vehicle available	15,696	36.7	17,485	35.4	1,789	11.4
2 vehicles available	17,213	40.2	19,302	39.1	2,089	12.1
3 vehicles available	4,470	10.4	5,787	11.7	1,317	29.5
4 vehicles available	1,115	2.6	1,632	3.3	517	46.4
5 or more vehicles available	334	0.8	651	1.3	317	94.9
Mean vehicles per household	1.63	(X)	1.69	(X)	0.06	(X)
WORKERS BY SEX1
Workers 16 years and over	57,114	100.0	63,095	100.0	5,981	10.5
Male	31,514	55.2	34,450	54.6	2,936	9.3
Female	25,600	44.8	28,650	45.4	3,050	11.9
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	57,114	100.0	63,097	100.0	5,983	10.5
Drove alone	35,770	62.6	42,116	66.7	6,346	17.7
Carpooled	7,978	14.0	7,294	11.6	-684	-8.6
Public transportation (including taxicab)	1,650	2.9	2,465	3.9	815	49.4
Bicycle or walked	9,460	16.6	8,349	13.2	-1,111	-11.7
Motorcycle or other means	282	0.5	348	0.6	66	23.4
Worked at home	1,974	3.5	2,525	4.0	551	27.9
TRAVEL TIME TO WORK
Workers who did not work at home	55,140	100.0	60,572	100.0	5,432	9.9
Less than 5 minutes	2,984	5.4	2,836	4.7	-148	-5.0
5 to 9 minutes	9,244	16.8	9,506	15.7	262	2.8
10 to 14 minutes	12,543	22.7	12,807	21.1	264	2.1
15 to 19 minutes	10,297	18.7	11,377	18.8	1,080	10.5
20 to 29 minutes	10,670	19.4	11,717	19.3	1,047	9.8
30 to 44 minutes	6,248	11.3	7,735	12.8	1,487	23.8
45 or more minutes	3,154	5.7	4,594	7.6	1,440	45.7
Mean travel time to work (minutes)	17.1	(X)	19.6	(X)	2.5	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	55,140	100.0	60,572	100.0	5,432	9.9
5:00 a.m. to 6:59 a.m.	9,969	18.1	11,597	19.1	1,628	16.3
7:00 a.m. to 7:59 a.m.	18,469	33.5	18,483	30.5	14	0.1
8:00 a.m. to 8:59 a.m.	9,409	17.1	10,631	17.6	1,222	13.0
9:00 a.m. to 9:59 a.m.	3,735	6.8	4,687	7.7	952	25.5
10:00 a.m. to 11:59 a.m.	2,639	4.8	2,928	4.8	289	11.0
12:00 p.m. to 11:59 p.m.	10,036	18.2	10,889	18.0	853	8.5
12:00 a.m. to 4:59 a.m.	883	1.6	1,357	2.2	474	53.7
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.

CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 2. Profile of Selected 2000 Characteristics
Geographic Area: Centre County, Pennsylvania
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	135,758	100.0
Under 16 years	21,681	16.0
16 to 20 years	18,682	13.8
21 to 24 years	20,610	15.2
25 to 44 years	35,946	26.5
45 to 64 years	24,789	18.3
65 years and over	14,050	10.3
Mean age (years)	33.8	(X)
HOUSEHOLD INCOME IN 19991
Total households	49,336	100.0
Less than $15,000	9,630	19.5
$15,000 to 19,999	3,987	8.1
$20,000 to 24,999	3,351	6.8
$25,000 to 49,999	15,045	30.5
$50,000 to 74,999	8,979	18.2
$75,000 to 99,999	4,155	8.4
$100,000 or more	4,189	8.5
Mean household income (dollars)	47,820	(X)
Median household income (dollars)	36,165	(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		1.69	49,335	4,480	17,485	19,300	5,785	2,285
	Row percent	(X)	100.0	9.1	35.4	39.1	11.7	4.6
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		0.96	13,130	2,430	9,205	1,250	175	70
	Row percent	(X)	100.0	18.5	70.1	9.5	1.3	0.5
	Column percent	(X)	26.6	54.2	52.6	6.5	3.0	3.1
2-person household		1.73	17,180	1,050	4,865	9,390	1,515	360
	Row percent	(X)	100.0	6.1	28.3	54.7	8.8	2.1
	Column percent	(X)	34.8	23.4	27.8	48.7	26.2	15.8
3-person household		2.02	8,145	475	1,725	3,630	1,925	390
	Row percent	(X)	100.0	5.8	21.2	44.6	23.6	4.8
	Column percent	(X)	16.5	10.6	9.9	18.8	33.3	17.1
4-or-more-person household		2.27	10,880	525	1,695	5,030	2,170	1,465
	Row percent	(X)	100.0	4.8	15.6	46.2	19.9	13.5
	Column percent	(X)	22.1	11.7	9.7	26.1	37.5	64.1
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		19.6	60,570	12,340	24,185	11,715	7,735	4,595
	Row percent	(X)	100.0	20.4	39.9	19.3	12.8	7.6
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		20.2	42,115	8,055	16,160	8,505	6,100	3,300
	Row percent	(X)	100.0	19.1	38.4	20.2	14.5	7.8
	Column percent	(X)	69.5	65.3	66.8	72.6	78.9	71.8
Carpooled		22.9	7,295	1,040	2,855	1,350	1,160	885
	Row percent	(X)	100.0	14.3	39.1	18.5	15.9	12.1
	Column percent	(X)	12.0	8.4	11.8	11.5	15.0	19.3
Public transportation (including taxicab)		20.2	2,465	115	1,335	665	175	175
	Row percent	(X)	100.0	4.7	54.2	27.0	7.1	7.1
	Column percent	(X)	4.1	0.9	5.5	5.7	2.3	3.8
Bicycle or walked		12.5	8,350	3,110	3,715	1,135	240	150
	Row percent	(X)	100.0	37.2	44.5	13.6	2.9	1.8
	Column percent	(X)	13.8	25.2	15.4	9.7	3.1	3.3
Motorcycle or other means		36.6	350	25	115	65	60	85
	Row percent	(X)	100.0	7.1	32.9	18.6	17.1	24.3
	Column percent	(X)	0.6	0.2	0.5	0.6	0.8	1.8
1See the entry for this item in the Technical Notes in the root directory or state subdirectories (filename: tech_notes.txt). (X)Not applicable. Source:U.S. Census Bureau. Census of Population and Housing, 1990 and 2000 long-form (sample) data.