CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Washington County, Maryland
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	121,393	100.0	131,923	100.0	10,530	8.7
In households	113,409	93.4	122,584	92.9	9,175	8.1
In group quarters	7,984	6.6	9,339	7.1	1,355	17.0
HOUSEHOLD SIZE
Total households	44,671	100.0	49,708	100.0	5,037	11.3
1-person household	10,459	23.4	12,907	26.0	2,448	23.4
2-person household	15,200	34.0	17,445	35.1	2,245	14.8
3-person household	8,653	19.4	8,459	17.0	-194	-2.2
4-person household	6,693	15.0	6,834	13.7	141	2.1
5-or-more-person household	3,666	8.2	4,063	8.2	397	10.8
Mean number of persons per household	2.54	(X)	2.47	(X)	-0.07	(X)
VEHICLES AVAILABLE1
Total households	44,671	100.0	49,708	100.0	5,037	11.3
No vehicle available	4,717	10.6	4,527	9.1	-190	-4.0
1 vehicle available	13,521	30.3	15,717	31.6	2,196	16.2
2 vehicles available	16,990	38.0	19,092	38.4	2,102	12.4
3 vehicles available	6,646	14.9	7,537	15.2	891	13.4
4 vehicles available	1,968	4.4	2,086	4.2	118	6.0
5 or more vehicles available	829	1.9	749	1.5	-80	-9.7
Mean vehicles per household	1.79	(X)	1.79	(X)	[ >0 ]	(X)
WORKERS BY SEX1
Workers 16 years and over	56,103	100.0	60,595	100.0	4,492	8.0
Male	31,221	55.6	32,265	53.2	1,044	3.3
Female	24,882	44.4	28,330	46.8	3,448	13.9
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	56,103	100.0	60,597	100.0	4,494	8.0
Drove alone	42,511	75.8	48,814	80.6	6,303	14.8
Carpooled	8,725	15.6	7,209	11.9	-1,516	-17.4
Public transportation (including taxicab)	738	1.3	672	1.1	-66	-8.9
Bicycle or walked	1,954	3.5	1,364	2.3	-590	-30.2
Motorcycle or other means	503	0.9	530	0.9	27	5.4
Worked at home	1,672	3.0	2,008	3.3	336	20.1
TRAVEL TIME TO WORK
Workers who did not work at home	54,431	100.0	58,589	100.0	4,158	7.6
Less than 5 minutes	2,080	3.8	1,968	3.4	-112	-5.4
5 to 9 minutes	7,158	13.2	6,150	10.5	-1,008	-14.1
10 to 14 minutes	10,197	18.7	9,819	16.8	-378	-3.7
15 to 19 minutes	10,203	18.7	11,595	19.8	1,392	13.6
20 to 29 minutes	10,274	18.9	11,589	19.8	1,315	12.8
30 to 44 minutes	7,513	13.8	8,949	15.3	1,436	19.1
45 or more minutes	7,006	12.9	8,519	14.5	1,513	21.6
Mean travel time to work (minutes)	22.1	(X)	25.1	(X)	3.0	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	54,431	100.0	58,589	100.0	4,158	7.6
5:00 a.m. to 6:59 a.m.	17,600	32.3	18,638	31.8	1,038	5.9
7:00 a.m. to 7:59 a.m.	15,805	29.0	16,423	28.0	618	3.9
8:00 a.m. to 8:59 a.m.	7,110	13.1	7,389	12.6	279	3.9
9:00 a.m. to 9:59 a.m.	2,023	3.7	2,024	3.5	1	[ >0 ]
10:00 a.m. to 11:59 a.m.	1,386	2.5	1,670	2.9	284	20.5
12:00 p.m. to 11:59 p.m.	8,173	15.0	9,047	15.4	874	10.7
12:00 a.m. to 4:59 a.m.	2,334	4.3	3,398	5.8	1,064	45.6
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: Washington County, Maryland
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	131,923	100.0
Under 16 years	27,672	21.0
16 to 20 years	7,641	5.8
21 to 24 years	6,239	4.7
25 to 44 years	41,391	31.4
45 to 64 years	30,286	23.0
65 years and over	18,694	14.2
Mean age (years)	37.5	(X)
HOUSEHOLD INCOME IN 19991
Total households	49,708	100.0
Less than $15,000	7,874	15.8
$15,000 to 19,999	2,965	6.0
$20,000 to 24,999	3,599	7.2
$25,000 to 49,999	15,827	31.8
$50,000 to 74,999	10,731	21.6
$75,000 to 99,999	4,989	10.0
$100,000 or more	3,723	7.5
Mean household income (dollars)	49,382	(X)
Median household income (dollars)	40,617	(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		1.79	49,710	4,525	15,715	19,090	7,535	2,835
	Row percent	(X)	100.0	9.1	31.6	38.4	15.2	5.7
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		0.96	12,905	2,870	8,115	1,590	255	80
	Row percent	(X)	100.0	22.2	62.9	12.3	2.0	0.6
	Column percent	(X)	26.0	63.4	51.6	8.3	3.4	2.8
2-person household		1.86	17,445	920	4,595	8,790	2,545	595
	Row percent	(X)	100.0	5.3	26.3	50.4	14.6	3.4
	Column percent	(X)	35.1	20.3	29.2	46.0	33.8	21.0
3-person household		2.15	8,460	400	1,590	3,790	1,965	715
	Row percent	(X)	100.0	4.7	18.8	44.8	23.2	8.5
	Column percent	(X)	17.0	8.8	10.1	19.9	26.1	25.2
4-or-more-person household		2.38	10,895	340	1,420	4,925	2,770	1,445
	Row percent	(X)	100.0	3.1	13.0	45.2	25.4	13.3
	Column percent	(X)	21.9	7.5	9.0	25.8	36.8	51.0
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		25.1	58,590	8,120	21,415	11,590	8,950	8,520
	Row percent	(X)	100.0	13.9	36.6	19.8	15.3	14.5
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		23.9	48,815	6,530	18,460	10,070	7,485	6,270
	Row percent	(X)	100.0	13.4	37.8	20.6	15.3	12.8
	Column percent	(X)	83.3	80.4	86.2	86.9	83.6	73.6
Carpooled		34.4	7,210	575	2,240	1,245	1,265	1,885
	Row percent	(X)	100.0	8.0	31.1	17.3	17.5	26.1
	Column percent	(X)	12.3	7.1	10.5	10.7	14.1	22.1
Public transportation (including taxicab)		50.1	670	15	170	135	85	275
	Row percent	(X)	100.0	2.2	25.4	20.1	12.7	41.0
	Column percent	(X)	1.1	0.2	0.8	1.2	0.9	3.2
Bicycle or walked		8.4	1,365	830	380	80	65	10
	Row percent	(X)	100.0	60.8	27.8	5.9	4.8	0.7
	Column percent	(X)	2.3	10.2	1.8	0.7	0.7	0.1
Motorcycle or other means		19.0	530	170	165	60	50	80
	Row percent	(X)	100.0	32.1	31.1	11.3	9.4	15.1
	Column percent	(X)	0.9	2.1	0.8	0.5	0.6	0.9
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.