Table 7
Residential Mobility – Place-of-Residence in 1975, 1985 & 1995 - Persons 5 Years and Over
1980 - 2000 Decennial Censuses
			Different	Different	In
			House,	House,	States		Total
County	Census	Same	Same	County	Outside	Lived	Population
of Residence	Year	House	County	in Calif.	Calif.	Abroad	(Age 5+)
	1975-80	492,565	305,667	119,417	79,584	36,338	1,033,571
	% of Tot	47.7%	29.6%	11.6%	7.7%	3.5%	100.0%
	1985-90	558,296	333,682	151,517	85,466	54,755	1,183,716
Alameda	% of Tot	47.2%	28.2%	12.8%	7.2%	4.6%	100.0%
	1995-00	683,794	338,788	175,334	68,993	79,757	1,346,666
	% of Tot	50.8%	25.2%	13.0%	5.1%	5.9%	100.0%
	1975-80	283,997	163,648	104,124	47,562	13,727	613,058
	% of Tot	46.3%	26.7%	17.0%	7.8%	2.2%	100.0%
Contra	1985-90	353,580	187,693	123,520	54,866	23,841	743,500
Costa	% of Tot	47.6%	25.2%	16.6%	7.4%	3.2%	100.0%
	1995-00	469,796	212,583	128,191	40,890	32,302	883,762
	% of Tot	53.2%	24.1%	14.5%	4.6%	3.7%	100.0%
	1975-80	102,689	45,183	35,656	21,693	6,768	211,989
	% of Tot	48.4%	21.3%	16.8%	10.2%	3.2%	100.0%
	1985-90	106,441	50,550	34,315	17,433	7,748	216,487
Marin	% of Tot	49.2%	23.4%	15.9%	8.1%	3.6%	100.0%
	1995-00	128,347	51,146	31,408	13,535	9,572	234,008
	% of Tot	54.8%	21.9%	13.4%	5.8%	4.1%	100.0%
	1975-80	43,125	23,451	18,823	6,058	2,118	93,575
	% of Tot	46.1%	25.1%	20.1%	6.5%	2.3%	100.0%
	1985-90	48,936	26,770	18,252	6,101	3,290	103,349
Napa	% of Tot	47.4%	25.9%	17.7%	5.9%	3.2%	100.0%
	1995-00	61,901	29,152	15,906	5,164	4,672	116,795
	% of Tot	53.0%	25.0%	13.6%	4.4%	4.0%	100.0%
	1975-80	310,662	162,469	56,455	66,992	52,473	649,051
	% of Tot	47.9%	25.0%	8.7%	10.3%	8.1%	100.0%
San	1985-90	331,346	169,920	70,231	57,871	59,321	688,689
Francisco	% of Tot	48.1%	24.7%	10.2%	8.4%	8.6%	100.0%
	1995-00	403,806	147,006	75,766	69,329	49,743	745,650
	% of Tot	54.2%	19.7%	10.2%	9.3%	6.7%	100.0%
	1975-80	283,600	123,554	86,911	34,805	24,713	553,583
	% of Tot	51.2%	22.3%	15.7%	6.3%	4.5%	100.0%
San	1985-90	316,818	139,428	85,034	32,004	32,392	605,676
Mateo	% of Tot	52.3%	23.0%	14.0%	5.3%	5.3%	100.0%
	1995-00	374,685	136,830	83,311	28,368	39,315	662,509
	% of Tot	56.6%	20.7%	12.6%	4.3%	5.9%	100.0%
	1975-80	533,278	374,786	131,034	112,809	55,518	1,207,425
	% of Tot	44.2%	31.0%	10.9%	9.3%	4.6%	100.0%
Santa	1985-90	640,431	438,192	119,282	102,964	85,581	1,386,450
Clara	% of Tot	46.2%	31.6%	8.6%	7.4%	6.2%	100.0%
	1995-00	800,247	437,889	118,895	82,244	124,793	1,564,068
	% of Tot	51.2%	28.0%	7.6%	5.3%	8.0%	100.0%
	1975-80	76,031	53,041	49,285	27,393	9,827	215,577
	% of Tot	35.3%	24.6%	22.9%	12.7%	4.6%	100.0%
	1985-90	124,447	74,795	68,162	31,738	11,627	310,769
Solano	% of Tot	40.0%	24.1%	21.9%	10.2%	3.7%	100.0%
	1995-00	182,898	90,512	59,892	20,342	12,658	366,302
	% of Tot	49.9%	24.7%	16.4%	5.6%	3.5%	100.0%
	1975-80	120,195	77,450	58,915	18,766	4,239	279,565
	% of Tot	43.0%	27.7%	21.1%	6.7%	1.5%	100.0%
	1985-90	159,924	106,876	63,456	21,873	7,726	359,855
Sonoma	% of Tot	44.4%	29.7%	17.6%	6.1%	2.1%	100.0%
	1995-00	224,549	124,556	52,332	17,402	12,741	431,580
	% of Tot	52.0%	28.9%	12.1%	4.0%	3.0%	100.0%
	1975-80	2,246,142	1,329,249	660,620	415,662	205,721	4,857,394
	% of Tot	46.2%	27.4%	13.6%	8.6%	4.2%	100.0%
Bay	1985-90	2,640,219	1,527,906	733,769	410,316	286,281	5,598,491
Area	% of Tot	47.2%	27.3%	13.1%	7.3%	5.1%	100.0%
	1995-00	3,330,023	1,568,462	741,035	346,267	365,553	6,351,340
	% of Tot	52.4%	24.7%	11.7%	5.5%	5.8%	100.0%
Sources:   U.S. Bureau of the Census, Decennial Censuses – 1980, 1990, Summary Tape File 3A;
Census 2000, Demographic Profile #2,3,4