CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Delaware County, Pennsylvania
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	547,651	100.0	550,864	100.0	3,213	0.6
In households	529,273	96.6	529,156	96.1	-117	[ <0 ]
In group quarters	18,378	3.4	21,708	3.9	3,330	18.1
HOUSEHOLD SIZE
Total households	201,618	100.0	206,372	100.0	4,754	2.4
1-person household	50,374	25.0	56,941	27.6	6,567	13.0
2-person household	62,736	31.1	62,776	30.4	40	0.1
3-person household	34,685	17.2	33,494	16.2	-1,191	-3.4
4-person household	30,290	15.0	30,104	14.6	-186	-0.6
5-or-more-person household	23,533	11.7	23,057	11.2	-476	-2.0
Mean number of persons per household	2.63	(X)	2.56	(X)	-0.06	(X)
VEHICLES AVAILABLE1
Total households	201,618	100.0	206,372	100.0	4,754	2.4
No vehicle available	23,688	11.7	22,917	11.1	-771	-3.3
1 vehicle available	73,818	36.6	77,579	37.6	3,761	5.1
2 vehicles available	76,237	37.8	79,469	38.5	3,232	4.2
3 vehicles available	20,415	10.1	20,248	9.8	-167	-0.8
4 vehicles available	5,682	2.8	4,647	2.3	-1,035	-18.2
5 or more vehicles available	1,778	0.9	1,512	0.7	-266	-15.0
Mean vehicles per household	1.59	(X)	1.57	(X)	-0.02	(X)
WORKERS BY SEX1
Workers 16 years and over	261,607	100.0	253,920	100.0	-7,687	-2.9
Male	140,714	53.8	131,285	51.7	-9,429	-6.7
Female	120,893	46.2	122,640	48.3	1,747	1.4
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	261,607	100.0	253,922	100.0	-7,685	-2.9
Drove alone	185,360	70.9	191,454	75.4	6,094	3.3
Carpooled	31,671	12.1	24,580	9.7	-7,091	-22.4
Public transportation (including taxicab)	24,244	9.3	19,927	7.8	-4,317	-17.8
Bicycle or walked	13,333	5.1	9,885	3.9	-3,448	-25.9
Motorcycle or other means	1,711	0.7	1,331	0.5	-380	-22.2
Worked at home	5,288	2.0	6,745	2.7	1,457	27.6
TRAVEL TIME TO WORK
Workers who did not work at home	256,319	100.0	247,177	100.0	-9,142	-3.6
Less than 5 minutes	6,919	2.7	6,461	2.6	-458	-6.6
5 to 9 minutes	23,975	9.4	22,505	9.1	-1,470	-6.1
10 to 14 minutes	35,597	13.9	30,417	12.3	-5,180	-14.6
15 to 19 minutes	38,202	14.9	32,579	13.2	-5,623	-14.7
20 to 29 minutes	52,209	20.4	50,586	20.5	-1,623	-3.1
30 to 44 minutes	59,586	23.2	60,986	24.7	1,400	2.3
45 or more minutes	39,831	15.5	43,643	17.7	3,812	9.6
Mean travel time to work (minutes)	24.5	(X)	27.1	(X)	2.6	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	256,319	100.0	247,177	100.0	-9,142	-3.6
5:00 a.m. to 6:59 a.m.	55,227	21.5	54,187	21.9	-1,040	-1.9
7:00 a.m. to 7:59 a.m.	85,001	33.2	79,241	32.1	-5,760	-6.8
8:00 a.m. to 8:59 a.m.	57,002	22.2	52,530	21.3	-4,472	-7.8
9:00 a.m. to 9:59 a.m.	15,318	6.0	15,455	6.3	137	0.9
10:00 a.m. to 11:59 a.m.	7,858	3.1	8,534	3.5	676	8.6
12:00 p.m. to 11:59 p.m.	31,747	12.4	31,918	12.9	171	0.5
12:00 a.m. to 4:59 a.m.	4,166	1.6	5,312	2.1	1,146	27.5
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: Delaware County, Pennsylvania
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	550,864	100.0
Under 16 years	120,881	21.9
16 to 20 years	39,976	7.3
21 to 24 years	24,833	4.5
25 to 44 years	159,082	28.9
45 to 64 years	120,349	21.8
65 years and over	85,743	15.6
Mean age (years)	37.6	(X)
HOUSEHOLD INCOME IN 19991
Total households	206,372	100.0
Less than $15,000	25,298	12.3
$15,000 to 19,999	10,263	5.0
$20,000 to 24,999	11,497	5.6
$25,000 to 49,999	55,890	27.1
$50,000 to 74,999	42,841	20.8
$75,000 to 99,999	26,014	12.6
$100,000 or more	34,569	16.8
Mean household income (dollars)	65,639	(X)
Median household income (dollars)	50,092	(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		1.57	206,370	22,915	77,580	79,470	20,250	6,160
	Row percent	(X)	100.0	11.1	37.6	38.5	9.8	3.0
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		0.86	56,940	13,585	38,795	3,690	610	255
	Row percent	(X)	100.0	23.9	68.1	6.5	1.1	0.4
	Column percent	(X)	27.6	59.3	50.0	4.6	3.0	4.1
2-person household		1.59	62,775	4,450	21,650	32,510	3,530	630
	Row percent	(X)	100.0	7.1	34.5	51.8	5.6	1.0
	Column percent	(X)	30.4	19.4	27.9	40.9	17.4	10.2
3-person household		1.90	33,495	2,215	8,040	15,375	6,875	995
	Row percent	(X)	100.0	6.6	24.0	45.9	20.5	3.0
	Column percent	(X)	16.2	9.7	10.4	19.3	34.0	16.2
4-or-more-person household		2.09	53,160	2,665	9,095	27,890	9,230	4,275
	Row percent	(X)	100.0	5.0	17.1	52.5	17.4	8.0
	Column percent	(X)	25.8	11.6	11.7	35.1	45.6	69.4
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		27.1	247,175	28,965	62,995	50,585	60,985	43,645
	Row percent	(X)	100.0	11.7	25.5	20.5	24.7	17.7
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		26.0	191,455	20,565	51,950	41,820	48,165	28,955
	Row percent	(X)	100.0	10.7	27.1	21.8	25.2	15.1
	Column percent	(X)	77.5	71.0	82.5	82.7	79.0	66.3
Carpooled		27.6	24,580	2,895	6,345	5,025	5,880	4,440
	Row percent	(X)	100.0	11.8	25.8	20.4	23.9	18.1
	Column percent	(X)	9.9	10.0	10.1	9.9	9.6	10.2
Public transportation (including taxicab)		45.2	19,925	175	1,125	2,605	6,235	9,790
	Row percent	(X)	100.0	0.9	5.6	13.1	31.3	49.1
	Column percent	(X)	8.1	0.6	1.8	5.1	10.2	22.4
Bicycle or walked		10.8	9,885	5,150	3,220	950	360	200
	Row percent	(X)	100.0	52.1	32.6	9.6	3.6	2.0
	Column percent	(X)	4.0	17.8	5.1	1.9	0.6	0.5
Motorcycle or other means		34.8	1,330	180	355	185	350	260
	Row percent	(X)	100.0	13.5	26.7	13.9	26.3	19.5
	Column percent	(X)	0.5	0.6	0.6	0.4	0.6	0.6
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.