CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Idaho
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	1,006,749	100.0	1,293,953	100.0	287,204	28.5
In households	985,233	97.9	1,262,397	97.6	277,164	28.1
In group quarters	21,516	2.1	31,556	2.4	10,040	46.7
HOUSEHOLD SIZE
Total households	361,432	100.0	470,133	100.0	108,701	30.1
1-person household	80,364	22.2	105,024	22.3	24,660	30.7
2-person household	122,797	34.0	162,731	34.6	39,934	32.5
3-person household	55,994	15.5	74,603	15.9	18,609	33.2
4-person household	53,089	14.7	67,741	14.4	14,652	27.6
5-or-more-person household	49,188	13.6	60,034	12.8	10,846	22.1
Mean number of persons per household	2.73	(X)	2.69	(X)	-0.04	(X)
VEHICLES AVAILABLE1
Total households	361,432	100.0	470,133	100.0	108,701	30.1
No vehicle available	16,262	4.5	21,719	4.6	5,457	33.6
1 vehicle available	101,188	28.0	130,021	27.7	28,833	28.5
2 vehicles available	151,034	41.8	197,243	42.0	46,209	30.6
3 vehicles available	65,391	18.1	84,135	17.9	18,744	28.7
4 vehicles available	19,329	5.3	26,573	5.7	7,244	37.5
5 or more vehicles available	8,228	2.3	10,442	2.2	2,214	26.9
Mean vehicles per household	2.00	(X)	2.00	(X)	[ >0 ]	(X)
WORKERS BY SEX1
Workers 16 years and over	440,809	100.0	594,655	100.0	153,846	34.9
Male	249,883	56.7	326,845	55.0	76,962	30.8
Female	190,926	43.3	267,810	45.0	76,884	40.3
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	440,809	100.0	594,654	100.0	153,845	34.9
Drove alone	329,881	74.8	457,986	77.0	128,105	38.8
Carpooled	52,958	12.0	73,273	12.3	20,315	38.4
Public transportation (including taxicab)	8,572	1.9	6,275	1.1	-2,297	-26.8
Bicycle or walked	23,600	5.4	24,689	4.2	1,089	4.6
Motorcycle or other means	5,095	1.2	4,418	0.7	-677	-13.3
Worked at home	20,703	4.7	28,013	4.7	7,310	35.3
TRAVEL TIME TO WORK
Workers who did not work at home	420,106	100.0	566,641	100.0	146,535	34.9
Less than 5 minutes	33,368	7.9	33,498	5.9	130	0.4
5 to 9 minutes	86,126	20.5	97,904	17.3	11,778	13.7
10 to 14 minutes	89,674	21.3	114,280	20.2	24,606	27.4
15 to 19 minutes	74,925	17.8	98,780	17.4	23,855	31.8
20 to 29 minutes	63,983	15.2	100,713	17.8	36,730	57.4
30 to 44 minutes	40,329	9.6	70,828	12.5	30,499	75.6
45 or more minutes	31,701	7.5	50,638	8.9	18,937	59.7
Mean travel time to work (minutes)	17.3	(X)	20.0	(X)	2.7	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	420,106	100.0	566,641	100.0	146,535	34.9
5:00 a.m. to 6:59 a.m.	92,011	21.9	137,910	24.3	45,899	49.9
7:00 a.m. to 7:59 a.m.	149,271	35.5	187,558	33.1	38,287	25.6
8:00 a.m. to 8:59 a.m.	70,039	16.7	91,069	16.1	21,030	30.0
9:00 a.m. to 9:59 a.m.	22,263	5.3	30,263	5.3	8,000	35.9
10:00 a.m. to 11:59 a.m.	14,863	3.5	21,976	3.9	7,113	47.9
12:00 p.m. to 11:59 p.m.	61,597	14.7	80,119	14.1	18,522	30.1
12:00 a.m. to 4:59 a.m.	10,062	2.4	17,746	3.1	7,684	76.4
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: Idaho
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	1,293,953	100.0
Under 16 years	324,081	25.0
16 to 20 years	107,411	8.3
21 to 24 years	74,956	5.8
25 to 44 years	364,414	28.2
45 to 64 years	277,146	21.4
65 years and over	145,945	11.3
Mean age (years)	34.4	(X)
HOUSEHOLD INCOME IN 19991
Total households	470,133	100.0
Less than $15,000	74,107	15.8
$15,000 to 19,999	34,518	7.3
$20,000 to 24,999	37,403	8.0
$25,000 to 49,999	160,003	34.0
$50,000 to 74,999	90,462	19.2
$75,000 to 99,999	39,249	8.3
$100,000 or more	34,391	7.3
Mean household income (dollars)	48,114	(X)
Median household income (dollars)	37,572	(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		2.00	470,135	21,720	130,020	197,245	84,135	37,015
	Row percent	(X)	100.0	4.6	27.7	42.0	17.9	7.9
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.18	105,025	13,380	67,510	18,860	3,815	1,460
	Row percent	(X)	100.0	12.7	64.3	18.0	3.6	1.4
	Column percent	(X)	22.3	61.6	51.9	9.6	4.5	3.9
2-person household		2.05	162,730	4,175	32,780	88,735	28,520	8,525
	Row percent	(X)	100.0	2.6	20.1	54.5	17.5	5.2
	Column percent	(X)	34.6	19.2	25.2	45.0	33.9	23.0
3-person household		2.27	74,605	1,760	13,550	32,220	19,510	7,565
	Row percent	(X)	100.0	2.4	18.2	43.2	26.2	10.1
	Column percent	(X)	15.9	8.1	10.4	16.3	23.2	20.4
4-or-more-person household		2.45	127,775	2,410	16,185	57,430	32,285	19,465
	Row percent	(X)	100.0	1.9	12.7	44.9	25.3	15.2
	Column percent	(X)	27.2	11.1	12.4	29.1	38.4	52.6
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		20.0	566,640	131,400	213,060	100,715	70,830	50,640
	Row percent	(X)	100.0	23.2	37.6	17.8	12.5	8.9
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		18.9	457,985	103,965	180,335	85,365	55,045	33,275
	Row percent	(X)	100.0	22.7	39.4	18.6	12.0	7.3
	Column percent	(X)	80.8	79.1	84.6	84.8	77.7	65.7
Carpooled		25.8	73,275	11,520	24,005	12,865	13,330	11,555
	Row percent	(X)	100.0	15.7	32.8	17.6	18.2	15.8
	Column percent	(X)	12.9	8.8	11.3	12.8	18.8	22.8
Public transportation (including taxicab)		57.9	6,275	300	505	450	855	4,165
	Row percent	(X)	100.0	4.8	8.0	7.2	13.6	66.4
	Column percent	(X)	1.1	0.2	0.2	0.4	1.2	8.2
Bicycle or walked		10.3	24,690	14,375	7,045	1,620	990	660
	Row percent	(X)	100.0	58.2	28.5	6.6	4.0	2.7
	Column percent	(X)	4.4	10.9	3.3	1.6	1.4	1.3
Motorcycle or other means		40.1	4,420	1,245	1,170	410	610	985
	Row percent	(X)	100.0	28.2	26.5	9.3	13.8	22.3
	Column percent	(X)	0.8	0.9	0.5	0.4	0.9	1.9
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.