CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Amador County, California
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	30,039	100.0	35,100	100.0	5,061	16.8
In households	25,422	84.6	30,489	86.9	5,067	19.9
In group quarters	4,617	15.4	4,611	13.1	-6	-0.1
HOUSEHOLD SIZE
Total households	10,555	100.0	12,741	100.0	2,186	20.7
1-person household	2,264	21.4	3,059	24.0	795	35.1
2-person household	4,673	44.3	5,532	43.4	859	18.4
3-person household	1,560	14.8	1,768	13.9	208	13.3
4-person household	1,252	11.9	1,415	11.1	163	13.0
5-or-more-person household	806	7.6	967	7.6	161	20.0
Mean number of persons per household	2.41	(X)	2.39	(X)	-0.02	(X)
VEHICLES AVAILABLE1
Total households	10,555	100.0	12,741	100.0	2,186	20.7
No vehicle available	408	3.9	731	5.7	323	79.2
1 vehicle available	2,794	26.5	3,595	28.2	801	28.7
2 vehicles available	4,399	41.7	5,061	39.7	662	15.0
3 vehicles available	2,071	19.6	2,435	19.1	364	17.6
4 vehicles available	622	5.9	692	5.4	70	11.3
5 or more vehicles available	261	2.5	227	1.8	-34	-13.0
Mean vehicles per household	2.06	(X)	1.96	(X)	-0.10	(X)
WORKERS BY SEX1
Workers 16 years and over	10,468	100.0	13,380	100.0	2,912	27.8
Male	5,946	56.8	7,090	53.0	1,144	19.2
Female	4,522	43.2	6,285	47.0	1,763	39.0
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	10,468	100.0	13,378	100.0	2,910	27.8
Drove alone	8,145	77.8	10,278	76.8	2,133	26.2
Carpooled	1,036	9.9	1,722	12.9	686	66.2
Public transportation (including taxicab)	47	0.4	39	0.3	-8	-17.0
Bicycle or walked	567	5.4	492	3.7	-75	-13.2
Motorcycle or other means	121	1.2	143	1.1	22	18.2
Worked at home	552	5.3	704	5.3	152	27.5
TRAVEL TIME TO WORK
Workers who did not work at home	9,916	100.0	12,674	100.0	2,758	27.8
Less than 5 minutes	943	9.5	838	6.6	-105	-11.1
5 to 9 minutes	1,542	15.6	1,788	14.1	246	16.0
10 to 14 minutes	1,351	13.6	1,583	12.5	232	17.2
15 to 19 minutes	1,370	13.8	1,599	12.6	229	16.7
20 to 29 minutes	1,451	14.6	2,086	16.5	635	43.8
30 to 44 minutes	1,470	14.8	2,074	16.4	604	41.1
45 or more minutes	1,789	18.0	2,706	21.4	917	51.3
Mean travel time to work (minutes)	24.0	(X)	29.1	(X)	5.1	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	9,916	100.0	12,674	100.0	2,758	27.8
5:00 a.m. to 6:59 a.m.	2,911	29.4	3,652	28.8	741	25.5
7:00 a.m. to 7:59 a.m.	2,640	26.6	3,617	28.5	977	37.0
8:00 a.m. to 8:59 a.m.	1,755	17.7	1,680	13.3	-75	-4.3
9:00 a.m. to 9:59 a.m.	550	5.5	721	5.7	171	31.1
10:00 a.m. to 11:59 a.m.	473	4.8	644	5.1	171	36.2
12:00 p.m. to 11:59 p.m.	1,099	11.1	1,617	12.8	518	47.1
12:00 a.m. to 4:59 a.m.	488	4.9	743	5.9	255	52.3
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: Amador County, California
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	35,100	100.0
Under 16 years	6,014	17.1
16 to 20 years	2,591	7.4
21 to 24 years	946	2.7
25 to 44 years	9,266	26.4
45 to 64 years	9,935	28.3
65 years and over	6,348	18.1
Mean age (years)	41.6	(X)
HOUSEHOLD INCOME IN 19991
Total households	12,741	100.0
Less than $15,000	1,817	14.3
$15,000 to 19,999	845	6.6
$20,000 to 24,999	833	6.5
$25,000 to 49,999	3,807	29.9
$50,000 to 74,999	2,516	19.7
$75,000 to 99,999	1,555	12.2
$100,000 or more	1,368	10.7
Mean household income (dollars)	54,779	(X)
Median household income (dollars)	42,280	(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		1.96	12,740	730	3,595	5,060	2,435	920
	Row percent	(X)	100.0	5.7	28.2	39.7	19.1	7.2
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.21	3,060	425	1,820	610	170	35
	Row percent	(X)	100.0	13.9	59.5	19.9	5.6	1.1
	Column percent	(X)	24.0	58.2	50.6	12.1	7.0	3.8
2-person household		2.06	5,530	165	1,160	2,820	1,040	345
	Row percent	(X)	100.0	3.0	21.0	51.0	18.8	6.2
	Column percent	(X)	43.4	22.6	32.3	55.7	42.7	37.5
3-person household		2.28	1,770	80	325	665	470	225
	Row percent	(X)	100.0	4.5	18.4	37.6	26.6	12.7
	Column percent	(X)	13.9	11.0	9.0	13.1	19.3	24.5
4-or-more-person household		2.48	2,380	60	285	965	755	310
	Row percent	(X)	100.0	2.5	12.0	40.5	31.7	13.0
	Column percent	(X)	18.7	8.2	7.9	19.1	31.0	33.7
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		29.1	12,675	2,625	3,180	2,085	2,075	2,705
	Row percent	(X)	100.0	20.7	25.1	16.4	16.4	21.3
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		29.7	10,280	1,985	2,700	1,735	1,615	2,245
	Row percent	(X)	100.0	19.3	26.3	16.9	15.7	21.8
	Column percent	(X)	81.1	75.6	84.9	83.2	77.8	83.0
Carpooled		30.3	1,720	250	345	310	400	415
	Row percent	(X)	100.0	14.5	20.1	18.0	23.3	24.1
	Column percent	(X)	13.6	9.5	10.8	14.9	19.3	15.3
Public transportation (including taxicab)		40.5	40	0	4	10	10	15
	Row percent	(X)	100.0	0.0	10.0	25.0	25.0	37.5
	Column percent	(X)	0.3	0.0	0.1	0.5	0.5	0.6
Bicycle or walked		7.1	490	365	95	20	4	10
	Row percent	(X)	100.0	74.5	19.4	4.1	0.8	2.0
	Column percent	(X)	3.9	13.9	3.0	1.0	0.2	0.4
Motorcycle or other means		43.3	145	30	40	15	45	20
	Row percent	(X)	100.0	20.7	27.6	10.3	31.0	13.8
	Column percent	(X)	1.1	1.1	1.3	0.7	2.2	0.7
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.