CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Washington County, Oregon
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	311,554	100.0	445,342	100.0	133,788	42.9
In households	308,071	98.9	441,246	99.1	133,175	43.2
In group quarters	3,483	1.1	4,096	0.9	613	17.6
HOUSEHOLD SIZE
Total households	119,158	100.0	169,287	100.0	50,129	42.1
1-person household	27,643	23.2	41,803	24.7	14,160	51.2
2-person household	40,876	34.3	55,869	33.0	14,993	36.7
3-person household	20,268	17.0	27,684	16.4	7,416	36.6
4-person household	19,096	16.0	25,956	15.3	6,860	35.9
5-or-more-person household	11,275	9.5	17,975	10.6	6,700	59.4
Mean number of persons per household	2.59	(X)	2.61	(X)	0.02	(X)
VEHICLES AVAILABLE1
Total households	119,158	100.0	169,287	100.0	50,129	42.1
No vehicle available	5,617	4.7	9,387	5.5	3,770	67.1
1 vehicle available	36,843	30.9	56,616	33.4	19,773	53.7
2 vehicles available	53,140	44.6	74,343	43.9	21,203	39.9
3 vehicles available	17,384	14.6	21,675	12.8	4,291	24.7
4 vehicles available	4,560	3.8	5,180	3.1	620	13.6
5 or more vehicles available	1,614	1.4	2,086	1.2	472	29.2
Mean vehicles per household	1.87	(X)	1.78	(X)	-0.08	(X)
WORKERS BY SEX1
Workers 16 years and over	161,994	100.0	229,630	100.0	67,636	41.8
Male	88,668	54.7	127,875	55.7	39,207	44.2
Female	73,326	45.3	101,755	44.3	28,429	38.8
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	161,994	100.0	229,632	100.0	67,638	41.8
Drove alone	124,200	76.7	172,560	75.1	48,360	38.9
Carpooled	19,638	12.1	25,585	11.1	5,947	30.3
Public transportation (including taxicab)	6,206	3.8	13,433	5.8	7,227	116.5
Bicycle or walked	4,476	2.8	5,956	2.6	1,480	33.1
Motorcycle or other means	1,416	0.9	1,734	0.8	318	22.5
Worked at home	6,058	3.7	10,364	4.5	4,306	71.1
TRAVEL TIME TO WORK
Workers who did not work at home	155,936	100.0	219,268	100.0	63,332	40.6
Less than 5 minutes	4,127	2.6	5,489	2.5	1,362	33.0
5 to 9 minutes	17,642	11.3	21,258	9.7	3,616	20.5
10 to 14 minutes	23,950	15.4	33,021	15.1	9,071	37.9
15 to 19 minutes	27,477	17.6	36,457	16.6	8,980	32.7
20 to 29 minutes	38,163	24.5	50,930	23.2	12,767	33.5
30 to 44 minutes	31,010	19.9	47,349	21.6	16,339	52.7
45 or more minutes	13,567	8.7	24,764	11.3	11,197	82.5
Mean travel time to work (minutes)	21.7	(X)	23.7	(X)	2.0	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	155,936	100.0	219,268	100.0	63,332	40.6
5:00 a.m. to 6:59 a.m.	41,920	26.9	62,410	28.5	20,490	48.9
7:00 a.m. to 7:59 a.m.	55,707	35.7	72,711	33.2	17,004	30.5
8:00 a.m. to 8:59 a.m.	24,786	15.9	33,835	15.4	9,049	36.5
9:00 a.m. to 9:59 a.m.	7,618	4.9	11,568	5.3	3,950	51.9
10:00 a.m. to 11:59 a.m.	5,243	3.4	7,621	3.5	2,378	45.4
12:00 p.m. to 11:59 p.m.	17,689	11.3	24,647	11.2	6,958	39.3
12:00 a.m. to 4:59 a.m.	2,973	1.9	6,476	3.0	3,503	117.8
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.

CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 2. Profile of Selected 2000 Characteristics
Geographic Area: Washington County, Oregon
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	445,342	100.0
Under 16 years	107,054	24.0
16 to 20 years	28,323	6.4
21 to 24 years	24,447	5.5
25 to 44 years	152,831	34.3
45 to 64 years	93,377	21.0
65 years and over	39,310	8.8
Mean age (years)	33.6	(X)
HOUSEHOLD INCOME IN 19991
Total households	169,287	100.0
Less than $15,000	14,576	8.6
$15,000 to 19,999	7,382	4.4
$20,000 to 24,999	9,427	5.6
$25,000 to 49,999	48,423	28.6
$50,000 to 74,999	39,192	23.2
$75,000 to 99,999	23,093	13.6
$100,000 or more	27,194	16.1
Mean household income (dollars)	65,096	(X)
Median household income (dollars)	52,122	(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		1.78	169,285	9,385	56,615	74,345	21,675	7,265
	Row percent	(X)	100.0	5.5	33.4	43.9	12.8	4.3
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.04	41,805	5,610	30,450	4,715	780	250
	Row percent	(X)	100.0	13.4	72.8	11.3	1.9	0.6
	Column percent	(X)	24.7	59.8	53.8	6.3	3.6	3.4
2-person household		1.87	55,870	1,660	13,855	32,760	5,970	1,625
	Row percent	(X)	100.0	3.0	24.8	58.6	10.7	2.9
	Column percent	(X)	33.0	17.7	24.5	44.1	27.5	22.4
3-person household		2.07	27,685	770	5,790	13,865	5,740	1,515
	Row percent	(X)	100.0	2.8	20.9	50.1	20.7	5.5
	Column percent	(X)	16.4	8.2	10.2	18.6	26.5	20.9
4-or-more-person household		2.21	43,930	1,345	6,525	23,005	9,180	3,875
	Row percent	(X)	100.0	3.1	14.9	52.4	20.9	8.8
	Column percent	(X)	26.0	14.3	11.5	30.9	42.4	53.3
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		23.7	219,270	26,745	69,480	50,930	47,350	24,765
	Row percent	(X)	100.0	12.2	31.7	23.2	21.6	11.3
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		22.1	172,560	21,050	58,355	42,835	36,080	14,240
	Row percent	(X)	100.0	12.2	33.8	24.8	20.9	8.3
	Column percent	(X)	78.7	78.7	84.0	84.1	76.2	57.5
Carpooled		25.6	25,585	2,575	7,735	5,585	6,300	3,395
	Row percent	(X)	100.0	10.1	30.2	21.8	24.6	13.3
	Column percent	(X)	11.7	9.6	11.1	11.0	13.3	13.7
Public transportation (including taxicab)		42.6	13,435	170	1,135	1,435	4,305	6,385
	Row percent	(X)	100.0	1.3	8.4	10.7	32.0	47.5
	Column percent	(X)	6.1	0.6	1.6	2.8	9.1	25.8
Bicycle or walked		13.8	5,955	2,725	1,900	765	320	245
	Row percent	(X)	100.0	45.8	31.9	12.8	5.4	4.1
	Column percent	(X)	2.7	10.2	2.7	1.5	0.7	1.0
Motorcycle or other means		41.3	1,735	225	350	310	345	500
	Row percent	(X)	100.0	13.0	20.2	17.9	19.9	28.8
	Column percent	(X)	0.8	0.8	0.5	0.6	0.7	2.0
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.