Table 4
Total Population, Bay Area Counties - 1930-2010

	1930	1940	1950	1960	1970	1980	1990	2000	2010
San Francisco	634,394	634,536	775,357	740,316	715,674	678,974	723,959	780,390	800,600
San Mateo	77,405	111,782	235,659	444,387	557,361	587,329	649,623	727,300	746,940
Santa Clara	145,118	174,949	290,547	642,315	1,065,313	1,295,071	1,497,577	1,719,160	1,844,280
Alameda	474,883	513,011	740,315	908,209	1,071,446	1,105,379	1,279,182	1,453,000	1,556,600
Contra Costa	78,608	100,450	298,984	409,030	556,116	656,380	803,732	962,900	1,120,000
Solano	40,834	49,118	104,833	134,597	171,989	235,203	340,421	423,300	513,400
Napa	22,897	28,503	46,603	65,890	79,140	99,199	110,765	132,700	144,700
Sonoma	62,222	69,052	103,405	147,375	204,885	299,681	388,222	476,900	541,100
Marin	41,648	52,907	85,619	146,820	208,652	222,568	230,096	255,650	271,950
Region	1,578,009	1,734,308	2,681,322	3,638,939	4,630,576	5,179,784	6,023,577	6,931,300	7,539,570

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Table 5
Percent Change in Total Population, Bay Area Counties – 1930 - 2010

		1930/40	1940/50	1950/60	1960/70	1970/80	1980/90	1990/00	2000/10
San Francisco		0.0%	22.2%	-4.5%	-3.3%	-5.1%	6.6%	7.8%	2.6%
San Mateo		44.4%	110.8%	88.6%	25.4%	5.4%	10.6%	12.0%	2.7%
Santa Clara		20.6%	66.1%	121.1%	65.9%	21.6%	15.6%	14.8%	7.3%
Alameda		8.0%	44.3%	22.7%	18.0%	3.2%	15.7%	13.6%	7.1%
Contra Costa		27.8%	197.6%	36.8%	36.0%	18.0%	22.4%	19.8%	16.3%
Solano		20.3%	113.4%	28.4%	27.8%	36.8%	44.7%	24.3%	21.3%
Napa		24.5%	63.5%	41.4%	20.1%	25.3%	11.7%	19.8%	9.0%
Sonoma		11.0%	49.7%	42.5%	39.0%	46.3%	29.5%	22.8%	13.5%
Marin		27.0%	61.8%	71.5%	42.1%	6.7%	3.4%	11.1%	6.4%
Region		9.9%	54.6%	35.7%	27.3%	11.9%	16.3%	15.1%	8.8%

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Sources:
U.S. Bureau of the Census, Number of Inhabitants: Part 6: California: PC80-1-A6, March 1982, Table 2
U.S. Bureau of the Census, 1990 STF1 (May 1991)
Association of Bay Area Governments, "Projections '96" - Year 2000 and 2010

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Last Updated: SEP1797, CPurvis
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