CENSUS TRANSPORTATION PLANNING PACKAGE (CTPP 2000) Table 1. Profile of Selected 1990 and 2000 Characteristics
Geographic Area: Sierra County, California
Subject	1990 Census		Census 2000		Change 1990 to 2000
	Number	Percent	Number	Percent	Number	Percent
POPULATION
Total population	3,318	100.0	3,555	100.0	237	7.1
In households	3,279	98.8	3,519	99.0	240	7.3
In group quarters	39	1.2	36	1.0	-3	-7.7
HOUSEHOLD SIZE
Total households	1,420	100.0	1,523	100.0	103	7.3
1-person household	385	27.1	443	29.1	58	15.1
2-person household	621	43.7	584	38.3	-37	-6.0
3-person household	147	10.4	220	14.4	73	49.7
4-person household	170	12.0	162	10.6	-8	-4.7
5-or-more-person household	97	6.8	114	7.5	17	17.5
Mean number of persons per household	2.31	(X)	2.31	(X)	[ >0 ]	(X)
VEHICLES AVAILABLE1
Total households	1,420	100.0	1,523	100.0	103	7.3
No vehicle available	49	3.5	139	9.1	90	183.7
1 vehicle available	423	29.8	431	28.3	8	1.9
2 vehicles available	616	43.4	576	37.8	-40	-6.5
3 vehicles available	230	16.2	257	16.9	27	11.7
4 vehicles available	49	3.5	84	5.5	35	71.4
5 or more vehicles available	53	3.7	36	2.4	-17	-32.1
Mean vehicles per household	2.01	(X)	1.90	(X)	-0.11	(X)
WORKERS BY SEX1
Workers 16 years and over	1,302	100.0	1,500	100.0	198	15.2
Male	757	58.1	765	51.0	8	1.1
Female	545	41.9	735	49.0	190	34.9
MEANS OF TRANSPORTATION TO WORK
Workers 16 years and over	1,302	100.0	1,502	100.0	200	15.4
Drove alone	868	66.7	1,031	68.6	163	18.8
Carpooled	126	9.7	273	18.2	147	116.7
Public transportation (including taxicab)	3	0.2	0	0.0	-3	-100.0
Bicycle or walked	192	14.7	120	8.0	-72	-37.5
Motorcycle or other means	0	0.0	14	0.9	14	0.0
Worked at home	113	8.7	64	4.3	-49	-43.4
TRAVEL TIME TO WORK
Workers who did not work at home	1,189	100.0	1,438	100.0	249	20.9
Less than 5 minutes	240	20.2	129	9.0	-111	-46.2
5 to 9 minutes	238	20.0	305	21.2	67	28.2
10 to 14 minutes	152	12.8	164	11.4	12	7.9
15 to 19 minutes	79	6.6	115	8.0	36	45.6
20 to 29 minutes	90	7.6	135	9.4	45	50.0
30 to 44 minutes	100	8.4	201	14.0	101	101.0
45 or more minutes	290	24.4	389	27.1	99	34.1
Mean travel time to work (minutes)	21.8	(X)	29.0	(X)	7.2	(X)
TIME LEAVING HOME TO GO TO WORK
Workers who did not work at home	1,189	100.0	1,438	100.0	249	20.9
5:00 a.m. to 6:59 a.m.	333	28.0	435	30.3	102	30.6
7:00 a.m. to 7:59 a.m.	258	21.7	415	28.9	157	60.9
8:00 a.m. to 8:59 a.m.	307	25.8	240	16.7	-67	-21.8
9:00 a.m. to 9:59 a.m.	55	4.6	60	4.2	5	9.1
10:00 a.m. to 11:59 a.m.	44	3.7	78	5.4	34	77.3
12:00 p.m. to 11:59 p.m.	156	13.1	123	8.6	-33	-21.2
12:00 a.m. to 4:59 a.m.	36	3.0	87	6.1	51	141.7
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: Sierra County, California
Subject	Census 2000
	Number	Percent
POPULATION BY AGE
Total population	3,555	100.0
Under 16 years	712	20.0
16 to 20 years	223	6.3
21 to 24 years	80	2.3
25 to 44 years	840	23.6
45 to 64 years	1,085	30.5
65 years and over	615	17.3
Mean age (years)	41.4	(X)
HOUSEHOLD INCOME IN 19991
Total households	1,523	100.0
Less than $15,000	311	20.4
$15,000 to 19,999	102	6.7
$20,000 to 24,999	94	6.2
$25,000 to 49,999	533	35.0
$50,000 to 74,999	273	17.9
$75,000 to 99,999	117	7.7
$100,000 or more	93	6.1
Mean household income (dollars)	43,798	(X)
Median household income (dollars)	35,827	(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		1.90	1,525	140	430	575	255	120
	Row percent	(X)	100.0	9.2	28.2	37.7	16.7	7.9
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
1-person household		1.20	445	80	250	75	30	10
	Row percent	(X)	100.0	18.0	56.2	16.9	6.7	2.2
	Column percent	(X)	29.2	57.1	58.1	13.0	11.8	8.3
2-person household		1.95	585	45	105	300	115	20
	Row percent	(X)	100.0	7.7	17.9	51.3	19.7	3.4
	Column percent	(X)	38.4	32.1	24.4	52.2	45.1	16.7
3-person household		2.33	220	4	45	95	30	40
	Row percent	(X)	100.0	1.8	20.5	43.2	13.6	18.2
	Column percent	(X)	14.4	2.9	10.5	16.5	11.8	33.3
4-or-more-person household		2.57	275	10	30	110	80	50
	Row percent	(X)	100.0	3.6	10.9	40.0	29.1	18.2
	Column percent	(X)	18.0	7.1	7.0	19.1	31.4	41.7
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		29.0	1,440	435	280	135	200	390
	Row percent	(X)	100.0	30.2	19.4	9.4	13.9	27.1
	Column percent	(X)	100.0	100.0	100.0	100.0	100.0	100.0
Drove alone		30.4	1,030	275	210	110	145	295
	Row percent	(X)	100.0	26.7	20.4	10.7	14.1	28.6
	Column percent	(X)	71.5	63.2	75.0	81.5	72.5	75.6
Carpooled		32.6	275	60	40	25	60	85
	Row percent	(X)	100.0	21.8	14.5	9.1	21.8	30.9
	Column percent	(X)	19.1	13.8	14.3	18.5	30.0	21.8
Bicycle or walked		6.0	120	95	25	0	0	0
	Row percent	(X)	100.0	79.2	20.8	0.0	0.0	0.0
	Column percent	(X)	8.3	21.8	8.9	0.0	0.0	0.0
Motorcycle or other means		56.1	15	4	4	0	0	4
	Row percent	(X)	100.0	26.7	26.7	0.0	0.0	26.7
	Column percent	(X)	1.0	0.9	1.4	0.0	0.0	1.0
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.