CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Baltimore County, Maryland
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	692,134	100.0	754,292	100.0	62,158	9.0
In households	678,475	98.0	736,626	97.7	58,151	8.6
In group quarters	13,659	2.0	17,666	2.3	4,007	29.3
HOUSEHOLD SIZE
Total households	268,638	100.0	300,020	100.0	31,382	11.7
1-person household	62,432	23.2	81,746	27.2	19,314	30.9
2-person household	92,307	34.4	100,995	33.7	8,688	9.4
3-person household	51,718	19.3	51,161	17.1	-557	-1.1
4-person household	41,058	15.3	41,186	13.7	128	0.3
5-or-more-person household	21,123	7.9	24,932	8.3	3,809	18.0
Mean number of persons per household	2.53	(X)	2.46	(X)	-0.07	(X)
VEHICLES AVAILABLE1
Total households	268,638	100.0	300,020	100.0	31,382	11.7
No vehicle available	21,774	8.1	26,347	8.8	4,573	21.0
1 vehicle available	91,380	34.0	109,532	36.5	18,152	19.9
2 vehicles available	110,787	41.2	117,603	39.2	6,816	6.2
3 vehicles available	33,212	12.4	35,199	11.7	1,987	6.0
4 vehicles available	8,877	3.3	8,281	2.8	-596	-6.7
5 or more vehicles available	2,608	1.0	3,058	1.0	450	17.3
Mean vehicles per household	1.72	(X)	1.67	(X)	-0.05	(X)
WORKERS BY SEX1
Workers 16 years and over	360,170	100.0	373,495	100.0	13,325	3.7
Male	192,091	53.3	190,295	50.9	-1,796	-0.9
Female	168,079	46.7	183,200	49.1	15,121	9.0
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	360,170	100.0	373,496	100.0	13,326	3.7
Drove alone	278,509	77.3	297,552	79.7	19,043	6.8
Carpooled	47,472	13.2	40,497	10.8	-6,975	-14.7
Public transportation (including taxicab)	14,974	4.2	15,081	4.0	107	0.7
Bicycle or walked	9,383	2.6	8,038	2.2	-1,345	-14.3
Motorcycle or other means	2,069	0.6	1,976	0.5	-93	-4.5
Worked at home	7,763	2.2	10,352	2.8	2,589	33.4
TRAVEL TIME TO WORK
Workers who did not work at home	352,407	100.0	363,144	100.0	10,737	3.0
Less than 5 minutes	7,016	2.0	6,438	1.8	-578	-8.2
5 to 9 minutes	27,026	7.7	25,938	7.1	-1,088	-4.0
10 to 14 minutes	44,706	12.7	42,167	11.6	-2,539	-5.7
15 to 19 minutes	52,769	15.0	49,673	13.7	-3,096	-5.9
20 to 29 minutes	89,988	25.5	87,481	24.1	-2,507	-2.8
30 to 44 minutes	89,770	25.5	94,705	26.1	4,935	5.5
45 or more minutes	41,132	11.7	56,742	15.6	15,610	38.0
Mean travel time to work (minutes)	24.2	(X)	27.6	(X)	3.4	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	352,407	100.0	363,144	100.0	10,737	3.0
5:00 a.m. to 6:59 a.m.	87,833	24.9	89,339	24.6	1,506	1.7
7:00 a.m. to 7:59 a.m.	112,012	31.8	113,550	31.3	1,538	1.4
8:00 a.m. to 8:59 a.m.	72,157	20.5	69,477	19.1	-2,680	-3.7
9:00 a.m. to 9:59 a.m.	20,700	5.9	23,751	6.5	3,051	14.7
10:00 a.m. to 11:59 a.m.	10,528	3.0	13,055	3.6	2,527	24.0
12:00 p.m. to 11:59 p.m.	43,211	12.3	44,894	12.4	1,683	3.9
12:00 a.m. to 4:59 a.m.	5,966	1.7	9,078	2.5	3,112	52.2
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.

CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 2. Profile of Selected 2000 Characteristics
Geographic Area: Baltimore County, Maryland
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	754,292	100.0
Under 16 years	158,522	21.0
16 to 20 years	48,589	6.4
21 to 24 years	35,747	4.7
25 to 44 years	225,347	29.9
45 to 64 years	175,817	23.3
65 years and over	110,270	14.6
Mean age (years)	37.8	(X)
HOUSEHOLD INCOME IN 19991
Total households	300,020	100.0
Less than $15,000	29,659	9.9
$15,000 to 19,999	15,018	5.0
$20,000 to 24,999	16,578	5.5
$25,000 to 49,999	86,157	28.7
$50,000 to 74,999	68,083	22.7
$75,000 to 99,999	38,584	12.9
$100,000 or more	45,941	15.3
Mean household income (dollars)	65,060	(X)
Median household income (dollars)	50,667	(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		1.67	300,020	26,345	109,530	117,605	35,200	11,340
	Row percent	(X)	100.0	8.8	36.5	39.2	11.7	3.8
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		0.96	81,745	15,135	57,445	7,695	1,040	435
	Row percent	(X)	100.0	18.5	70.3	9.4	1.3	0.5
	Column percent	(X)	27.2	57.4	52.4	6.5	3.0	3.8
2-person household		1.72	100,995	5,870	29,865	54,735	8,740	1,780
	Row percent	(X)	100.0	5.8	29.6	54.2	8.7	1.8
	Column percent	(X)	33.7	22.3	27.3	46.5	24.8	15.7
3-person household		2.00	51,160	2,560	11,875	22,780	11,355	2,590
	Row percent	(X)	100.0	5.0	23.2	44.5	22.2	5.1
	Column percent	(X)	17.1	9.7	10.8	19.4	32.3	22.8
4-or-more-person household		2.20	66,120	2,785	10,345	32,395	14,065	6,535
	Row percent	(X)	100.0	4.2	15.6	49.0	21.3	9.9
	Column percent	(X)	22.0	10.6	9.4	27.5	40.0	57.6
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		27.6	363,145	32,375	91,840	87,480	94,705	56,740
	Row percent	(X)	100.0	8.9	25.3	24.1	26.1	15.6
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		26.6	297,550	24,960	77,630	75,445	78,775	40,740
	Row percent	(X)	100.0	8.4	26.1	25.4	26.5	13.7
	Column percent	(X)	81.9	77.1	84.5	86.2	83.2	71.8
Carpooled		29.0	40,495	3,460	9,600	9,030	11,015	7,395
	Row percent	(X)	100.0	8.5	23.7	22.3	27.2	18.3
	Column percent	(X)	11.2	10.7	10.5	10.3	11.6	13.0
Public transportation (including taxicab)		49.8	15,080	350	1,280	1,540	3,990	7,915
	Row percent	(X)	100.0	2.3	8.5	10.2	26.5	52.5
	Column percent	(X)	4.2	1.1	1.4	1.8	4.2	13.9
Bicycle or walked		13.4	8,040	3,400	2,635	1,070	615	320
	Row percent	(X)	100.0	42.3	32.8	13.3	7.6	4.0
	Column percent	(X)	2.2	10.5	2.9	1.2	0.6	0.6
Motorcycle or other means		35.6	1,975	205	700	390	305	370
	Row percent	(X)	100.0	10.4	35.4	19.7	15.4	18.7
	Column percent	(X)	0.5	0.6	0.8	0.4	0.3	0.7
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.