CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Jefferson County, Idaho
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	16,543	100.0	19,155	100.0	2,612	15.8
In households	16,487	99.7	19,074	99.6	2,587	15.7
In group quarters	56	0.3	81	0.4	25	44.6
HOUSEHOLD SIZE
Total households	4,836	100.0	5,901	100.0	1,065	22.0
1-person household	740	15.3	903	15.3	163	22.0
2-person household	1,378	28.5	1,775	30.1	397	28.8
3-person household	701	14.5	956	16.2	255	36.4
4-person household	734	15.2	916	15.5	182	24.8
5-or-more-person household	1,283	26.5	1,351	22.9	68	5.3
Mean number of persons per household	3.41	(X)	3.23	(X)	-0.18	(X)
VEHICLES AVAILABLE1
Total households	4,836	100.0	5,901	100.0	1,065	22.0
No vehicle available	152	3.1	184	3.1	32	21.1
1 vehicle available	954	19.7	1,167	19.8	213	22.3
2 vehicles available	2,018	41.7	2,359	40.0	341	16.9
3 vehicles available	1,173	24.3	1,456	24.7	283	24.1
4 vehicles available	377	7.8	493	8.4	116	30.8
5 or more vehicles available	162	3.3	242	4.1	80	49.4
Mean vehicles per household	2.26	(X)	2.29	(X)	0.03	(X)
WORKERS BY SEX1
Workers 16 years and over	6,477	100.0	8,225	100.0	1,748	27.0
Male	3,850	59.4	4,705	57.2	855	22.2
Female	2,627	40.6	3,520	42.8	893	34.0
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	6,477	100.0	8,227	100.0	1,750	27.0
Drove alone	4,411	68.1	5,987	72.8	1,576	35.7
Carpooled	971	15.0	1,040	12.6	69	7.1
Public transportation (including taxicab)	342	5.3	306	3.7	-36	-10.5
Bicycle or walked	272	4.2	246	3.0	-26	-9.6
Motorcycle or other means	106	1.6	69	0.8	-37	-34.9
Worked at home	375	5.8	579	7.0	204	54.4
TRAVEL TIME TO WORK
Workers who did not work at home	6,102	100.0	7,648	100.0	1,546	25.3
Less than 5 minutes	627	10.3	537	7.0	-90	-14.4
5 to 9 minutes	1,076	17.6	969	12.7	-107	-9.9
10 to 14 minutes	860	14.1	885	11.6	25	2.9
15 to 19 minutes	698	11.4	978	12.8	280	40.1
20 to 29 minutes	1,385	22.7	1,948	25.5	563	40.6
30 to 44 minutes	781	12.8	1,408	18.4	627	80.3
45 or more minutes	675	11.1	923	12.1	248	36.7
Mean travel time to work (minutes)	21.1	(X)	25.2	(X)	4.1	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	6,102	100.0	7,648	100.0	1,546	25.3
5:00 a.m. to 6:59 a.m.	1,446	23.7	2,076	27.1	630	43.6
7:00 a.m. to 7:59 a.m.	2,417	39.6	2,945	38.5	528	21.8
8:00 a.m. to 8:59 a.m.	1,089	17.8	1,032	13.5	-57	-5.2
9:00 a.m. to 9:59 a.m.	233	3.8	287	3.8	54	23.2
10:00 a.m. to 11:59 a.m.	144	2.4	228	3.0	84	58.3
12:00 p.m. to 11:59 p.m.	644	10.6	916	12.0	272	42.2
12:00 a.m. to 4:59 a.m.	129	2.1	164	2.1	35	27.1
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: Jefferson County, Idaho
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	19,155	100.0
Under 16 years	6,097	31.8
16 to 20 years	1,747	9.1
21 to 24 years	976	5.1
25 to 44 years	4,814	25.1
45 to 64 years	3,748	19.6
65 years and over	1,773	9.3
Mean age (years)	31.5	(X)
HOUSEHOLD INCOME IN 19991
Total households	5,901	100.0
Less than $15,000	849	14.4
$15,000 to 19,999	432	7.3
$20,000 to 24,999	551	9.3
$25,000 to 49,999	2,099	35.6
$50,000 to 74,999	1,210	20.5
$75,000 to 99,999	440	7.5
$100,000 or more	320	5.4
Mean household income (dollars)	44,907	(X)
Median household income (dollars)	37,737	(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		2.29	5,900	185	1,165	2,360	1,455	735
	Row percent	(X)	100.0	3.1	19.7	40.0	24.7	12.5
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.25	905	115	545	160	70	10
	Row percent	(X)	100.0	12.7	60.2	17.7	7.7	1.1
	Column percent	(X)	15.3	62.2	46.8	6.8	4.8	1.4
2-person household		2.16	1,775	30	300	935	425	85
	Row percent	(X)	100.0	1.7	16.9	52.7	23.9	4.8
	Column percent	(X)	30.1	16.2	25.8	39.6	29.2	11.6
3-person household		2.48	955	20	140	380	260	160
	Row percent	(X)	100.0	2.1	14.7	39.8	27.2	16.8
	Column percent	(X)	16.2	10.8	12.0	16.1	17.9	21.8
4-or-more-person household		2.73	2,265	20	180	885	700	480
	Row percent	(X)	100.0	0.9	7.9	39.1	30.9	21.2
	Column percent	(X)	38.4	10.8	15.5	37.5	48.1	65.3
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		25.2	7,650	1,505	1,865	1,950	1,410	925
	Row percent	(X)	100.0	19.7	24.4	25.5	18.4	12.1
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		22.7	5,985	1,080	1,585	1,695	1,180	450
	Row percent	(X)	100.0	18.0	26.5	28.3	19.7	7.5
	Column percent	(X)	78.2	71.8	85.0	86.9	83.7	48.6
Carpooled		28.8	1,040	155	225	250	215	195
	Row percent	(X)	100.0	14.9	21.6	24.0	20.7	18.8
	Column percent	(X)	13.6	10.3	12.1	12.8	15.2	21.1
Public transportation (including taxicab)		76.4	305	25	10	4	10	260
	Row percent	(X)	100.0	8.2	3.3	1.3	3.3	85.2
	Column percent	(X)	4.0	1.7	0.5	0.2	0.7	28.1
Bicycle or walked		4.7	245	210	30	4	4	4
	Row percent	(X)	100.0	85.7	12.2	1.6	1.6	1.6
	Column percent	(X)	3.2	14.0	1.6	0.2	0.3	0.4
Motorcycle or other means		30.9	70	35	10	0	0	20
	Row percent	(X)	100.0	50.0	14.3	0.0	0.0	28.6
	Column percent	(X)	0.9	2.3	0.5	0.0	0.0	2.2
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.