Table 2
Households by Vehicle Availability – 1960 - 2000
1960 - 2000 Decennial Censuses
		No	% of	One	% of	Two	% of	Three-Plus	% of	Total
County	Year	Vehicle	Total	Vehicle	Total	Vehicles	Total	Vehicles	Total	Households
	1960	54,827	18.6%	162,752	55.1%	68,373	23.1%	9,415	3.2%	295,367
	1970	60,997	16.7%	170,535	46.7%	111,578	30.6%	21,983	6.0%	365,093
Alameda	1980	60,955	14.3%	161,652	37.9%	129,851	30.5%	73,634	17.3%	426,092
	1990	58,711	12.2%	165,050	34.4%	165,918	34.6%	89,839	18.7%	479,518
	2000	57,287	10.9%	182,586	34.9%	189,075	36.1%	94,418	18.0%	523,366
	1960	10,262	8.7%	63,862	54.2%	38,885	33.0%	4,849	4.1%	117,858
Contra	1970	13,116	7.6%	72,007	41.6%	71,768	41.5%	16,060	9.3%	172,951
Costa	1980	16,271	6.7%	77,498	32.1%	91,406	37.8%	56,359	23.3%	241,534
	1990	19,129	6.4%	87,817	29.2%	123,621	41.2%	69,721	23.2%	300,288
	2000	22,353	6.5%	104,978	30.5%	140,655	40.9%	76,143	22.1%	344,129
	1960	3,967	9.0%	24,877	56.3%	14,083	31.9%	1,268	2.9%	44,195
	1970	4,619	6.9%	29,647	44.1%	27,780	41.3%	5,220	7.8%	67,266
Marin	1980	4,819	5.4%	32,722	36.9%	34,063	38.4%	17,119	19.3%	88,723
	1990	4,879	5.1%	31,404	33.1%	39,311	41.4%	19,412	20.4%	95,006
	2000	5,094	5.1%	35,175	34.9%	42,530	42.3%	17,851	17.7%	100,650
	1960	1,819	9.6%	11,029	58.5%	5,465	29.0%	554	2.9%	18,867
	1970	2,550	10.2%	10,938	43.6%	9,313	37.1%	2,297	9.2%	25,098
Napa	1980	2,564	7.0%	11,744	32.1%	12,374	33.8%	9,942	27.1%	36,624
	1990	2,741	6.6%	12,780	30.9%	16,366	39.6%	9,425	22.8%	41,312
	2000	2,803	6.2%	14,688	32.4%	18,052	39.8%	9,859	21.7%	45,402
	1960	122,847	42.1%	136,689	46.8%	27,263	9.3%	5,171	1.8%	291,970
San	1970	116,816	39.6%	133,633	45.3%	38,371	13.0%	6,354	2.2%	295,174
Francisco	1980	103,462	34.6%	127,131	42.5%	51,869	17.4%	16,494	5.5%	298,956
	1990	93,806	30.7%	127,271	41.6%	64,379	21.1%	20,128	6.6%	305,584
	2000	94,178	28.6%	138,526	42.0%	73,017	22.1%	23,979	7.3%	329,700
	1960	10,723	7.9%	75,382	55.8%	43,807	32.4%	5,259	3.9%	135,171
San	1970	13,871	7.5%	83,622	45.2%	71,859	38.8%	15,676	8.5%	185,028
Mateo	1980	14,338	6.4%	82,065	36.4%	82,946	36.8%	45,852	20.4%	225,201
	1990	14,683	6.1%	78,396	32.4%	93,527	38.7%	55,308	22.9%	241,914
	2000	15,507	6.1%	80,879	31.8%	101,478	39.9%	56,239	22.1%	254,103
	1960	16,216	8.8%	99,770	54.0%	59,952	32.4%	8,976	4.9%	184,914
Santa	1970	22,224	6.9%	129,631	40.2%	139,888	43.3%	31,039	9.6%	322,782
Clara	1980	25,213	5.5%	146,886	32.0%	171,326	37.4%	115,094	25.1%	458,519
	1990	27,326	5.3%	147,789	28.4%	210,612	40.5%	134,453	25.8%	520,180
	2000	31,978	5.7%	164,212	29.0%	231,806	41.0%	137,867	24.4%	565,863
	1960	4,260	11.1%	24,238	63.0%	8,776	22.8%	1,179	3.1%	38,453
	1970	4,505	8.8%	25,602	50.1%	17,588	34.4%	3,425	6.7%	51,120
Solano	1980	5,398	6.7%	26,915	33.5%	29,148	36.2%	18,965	23.6%	80,426
	1990	6,516	5.7%	32,190	28.4%	47,208	41.6%	27,515	24.3%	113,429
	2000	8,566	6.6%	37,921	29.1%	52,087	39.9%	31,829	24.4%	130,403
	1960	6,832	14.5%	25,732	54.5%	12,767	27.1%	1,860	3.9%	47,191
	1970	7,189	10.6%	32,183	47.4%	23,094	34.0%	5,395	8.0%	67,861
Sonoma	1980	7,725	6.7%	38,997	34.1%	39,039	34.1%	28,713	25.1%	114,474
	1990	8,741	5.9%	46,602	31.3%	59,959	40.2%	33,709	22.6%	149,011
	2000	9,921	5.8%	54,446	31.6%	69,169	40.1%	38,867	22.5%	172,403
	1960	231,753	19.7%	624,331	53.2%	279,371	23.8%	38,531	3.3%	1,173,986
Bay	1970	245,887	15.8%	687,798	44.3%	511,239	32.9%	107,449	6.9%	1,552,373
Area	1980	240,745	12.2%	705,610	35.8%	642,022	32.6%	382,172	19.4%	1,970,549
	1990	236,532	10.5%	729,299	32.5%	820,901	36.5%	459,510	20.5%	2,246,242
	2000	247,687	10.0%	813,411	33.0%	917,869	37.2%	487,052	19.8%	2,466,019
Sources:   U.S. Bureau of the Census, Decennial Censuses – 1960-1990