CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Columbia County, Oregon
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	37,557	100.0	43,560	100.0	6,003	16.0
In households	37,351	99.5	43,310	99.4	5,959	16.0
In group quarters	206	0.5	250	0.6	44	21.4
HOUSEHOLD SIZE
Total households	13,966	100.0	16,388	100.0	2,422	17.3
1-person household	2,955	21.2	3,457	21.1	502	17.0
2-person household	4,803	34.4	5,932	36.2	1,129	23.5
3-person household	2,303	16.5	2,666	16.3	363	15.8
4-person household	2,267	16.2	2,524	15.4	257	11.3
5-or-more-person household	1,638	11.7	1,809	11.0	171	10.4
Mean number of persons per household	2.67	(X)	2.64	(X)	-0.03	(X)
VEHICLES AVAILABLE1
Total households	13,966	100.0	16,388	100.0	2,422	17.3
No vehicle available	769	5.5	747	4.6	-22	-2.9
1 vehicle available	3,540	25.3	4,152	25.3	612	17.3
2 vehicles available	5,726	41.0	6,817	41.6	1,091	19.1
3 vehicles available	2,785	19.9	3,082	18.8	297	10.7
4 vehicles available	798	5.7	1,133	6.9	335	42.0
5 or more vehicles available	348	2.5	457	2.8	109	31.3
Mean vehicles per household	2.04	(X)	2.07	(X)	0.03	(X)
WORKERS BY SEX1
Workers 16 years and over	16,002	100.0	19,725	100.0	3,723	23.3
Male	9,557	59.7	11,190	56.7	1,633	17.1
Female	6,445	40.3	8,535	43.3	2,090	32.4
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	16,002	100.0	19,726	100.0	3,724	23.3
Drove alone	12,262	76.6	15,518	78.7	3,256	26.6
Carpooled	2,330	14.6	2,639	13.4	309	13.3
Public transportation (including taxicab)	26	0.2	38	0.2	12	46.2
Bicycle or walked	599	3.7	460	2.3	-139	-23.2
Motorcycle or other means	121	0.8	156	0.8	35	28.9
Worked at home	664	4.1	915	4.6	251	37.8
TRAVEL TIME TO WORK
Workers who did not work at home	15,338	100.0	18,811	100.0	3,473	22.6
Less than 5 minutes	880	5.7	1,057	5.6	177	20.1
5 to 9 minutes	2,505	16.3	2,675	14.2	170	6.8
10 to 14 minutes	2,099	13.7	2,269	12.1	170	8.1
15 to 19 minutes	1,788	11.7	1,844	9.8	56	3.1
20 to 29 minutes	2,149	14.0	2,168	11.5	19	0.9
30 to 44 minutes	3,078	20.1	3,538	18.8	460	14.9
45 or more minutes	2,839	18.5	5,260	28.0	2,421	85.3
Mean travel time to work (minutes)	24.4	(X)	29.3	(X)	4.9	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	15,338	100.0	18,811	100.0	3,473	22.6
5:00 a.m. to 6:59 a.m.	5,119	33.4	6,679	35.5	1,560	30.5
7:00 a.m. to 7:59 a.m.	4,505	29.4	4,818	25.6	313	6.9
8:00 a.m. to 8:59 a.m.	1,668	10.9	2,079	11.1	411	24.6
9:00 a.m. to 9:59 a.m.	644	4.2	759	4.0	115	17.9
10:00 a.m. to 11:59 a.m.	460	3.0	627	3.3	167	36.3
12:00 p.m. to 11:59 p.m.	2,468	16.1	2,578	13.7	110	4.5
12:00 a.m. to 4:59 a.m.	474	3.1	1,271	6.8	797	168.1
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: Columbia County, Oregon
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	43,560	100.0
Under 16 years	10,525	24.2
16 to 20 years	2,663	6.1
21 to 24 years	1,647	3.8
25 to 44 years	12,291	28.2
45 to 64 years	11,342	26.0
65 years and over	5,092	11.7
Mean age (years)	36.5	(X)
HOUSEHOLD INCOME IN 19991
Total households	16,388	100.0
Less than $15,000	2,268	13.8
$15,000 to 19,999	870	5.3
$20,000 to 24,999	934	5.7
$25,000 to 49,999	4,989	30.4
$50,000 to 74,999	4,137	25.2
$75,000 to 99,999	1,764	10.8
$100,000 or more	1,426	8.7
Mean household income (dollars)	52,983	(X)
Median household income (dollars)	45,797	(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		2.07	16,390	745	4,150	6,815	3,080	1,590
	Row percent	(X)	100.0	4.5	25.3	41.6	18.8	9.7
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.20	3,455	495	2,070	705	115	75
	Row percent	(X)	100.0	14.3	59.9	20.4	3.3	2.2
	Column percent	(X)	21.1	66.4	49.9	10.3	3.7	4.7
2-person household		2.15	5,930	120	1,175	3,020	1,095	525
	Row percent	(X)	100.0	2.0	19.8	50.9	18.5	8.9
	Column percent	(X)	36.2	16.1	28.3	44.3	35.6	33.0
3-person household		2.29	2,665	85	505	1,090	660	325
	Row percent	(X)	100.0	3.2	18.9	40.9	24.8	12.2
	Column percent	(X)	16.3	11.4	12.2	16.0	21.4	20.4
4-or-more-person household		2.53	4,335	50	400	2,000	1,210	670
	Row percent	(X)	100.0	1.2	9.2	46.1	27.9	15.5
	Column percent	(X)	26.4	6.7	9.6	29.3	39.3	42.1
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		29.3	18,810	3,730	4,115	2,170	3,540	5,260
	Row percent	(X)	100.0	19.8	21.9	11.5	18.8	28.0
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		28.8	15,520	2,980	3,470	1,900	3,010	4,160
	Row percent	(X)	100.0	19.2	22.4	12.2	19.4	26.8
	Column percent	(X)	82.5	79.9	84.3	87.6	85.0	79.1
Carpooled		35.8	2,640	410	465	220	500	1,040
	Row percent	(X)	100.0	15.5	17.6	8.3	18.9	39.4
	Column percent	(X)	14.0	11.0	11.3	10.1	14.1	19.8
Public transportation (including taxicab)		30.5	40	10	10	0	10	10
	Row percent	(X)	100.0	25.0	25.0	0.0	25.0	25.0
	Column percent	(X)	0.2	0.3	0.2	0.0	0.3	0.2
Bicycle or walked		8.2	460	300	115	30	10	10
	Row percent	(X)	100.0	65.2	25.0	6.5	2.2	2.2
	Column percent	(X)	2.4	8.0	2.8	1.4	0.3	0.2
Motorcycle or other means		24.6	155	35	55	15	4	45
	Row percent	(X)	100.0	22.6	35.5	9.7	2.6	29.0
	Column percent	(X)	0.8	0.9	1.3	0.7	0.1	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.