Table 7
County-to-County Total Commuters, 21 Northern California Counties
1980, 1990 and 2000 Decennial Censuses
County of Residence	County of Work	Total Workers, 1980	Total Workers, 1990	Total Workers, 2000	Change, 1990-2000	Percent Change, 1990-2000
San Francisco	San Francisco	284,297	299,926	322,009	22,083	7.4%
San Francisco	San Mateo	21,443	32,170	43,306	11,136	34.6%
San Francisco	Santa Clara	3,721	7,992	15,868	7,876	98.5%
San Francisco	Alameda	15,181	18,822	20,834	2,012	10.7%
San Francisco	Contra Costa	2,430	5,747	4,568	-1,179	-20.5%
San Francisco	Solano	349	377	418	41	10.9%
San Francisco	Napa	14	117	237	120	102.6%
San Francisco	Sonoma	355	468	835	367	78.4%
San Francisco	Marin	3,332	5,006	6,450	1,444	28.8%
San Francisco	Mendocino	11	0	25	25	NA
San Francisco	Lake	0	14	18	4	28.6%
San Francisco	Colusa	0	7	0	-7	-100.0%
San Francisco	Yolo	0	45	67	22	48.9%
San Francisco	Sacramento	152	273	253	-20	-7.3%
San Francisco	Placer	10	7	21	14	200.0%
San Francisco	San Joaquin	14	95	30	-65	-68.4%
San Francisco	Stanislaus	9	31	64	33	106.5%
San Francisco	Merced	15	10	8	-2	-20.0%
San Francisco	San Benito	0	19	10	-9	-47.4%
San Francisco	Monterey	107	166	79	-87	-52.4%
San Francisco	Santa Cruz	30	117	206	89	76.1%
San Mateo	San Francisco	78,706	78,832	71,702	-7,130	-9.0%
San Mateo	San Mateo	180,143	199,760	206,093	6,333	3.2%
San Mateo	Santa Clara	33,853	44,001	55,473	11,472	26.1%
San Mateo	Alameda	6,686	13,188	14,783	1,595	12.1%
San Mateo	Contra Costa	738	3,715	1,789	-1,926	-51.8%
San Mateo	Solano	220	183	303	120	65.6%
San Mateo	Napa	18	0	141	141	NA
San Mateo	Sonoma	115	110	345	235	213.6%
San Mateo	Marin	643	1,406	973	-433	-30.8%
San Mateo	Mendocino	0	6	45	39	650.0%
San Mateo	Lake	0	9	18	9	100.0%
San Mateo	Colusa	7	97	0	-97	-100.0%
San Mateo	Yolo	0	38	29	-9	-23.7%
San Mateo	Sacramento	154	165	180	15	9.1%
San Mateo	Placer	25	40	5	-35	-87.5%
San Mateo	San Joaquin	22	10	51	41	410.0%
San Mateo	Stanislaus	12	24	31	7	29.2%
San Mateo	Merced	10	17	22	5	29.4%
San Mateo	San Benito	0	21	15	-6	-28.6%
San Mateo	Monterey	31	92	48	-44	-47.8%
San Mateo	Santa Cruz	133	393	214	-179	-45.5%
Santa Clara	San Francisco	7,438	7,536	7,946	410	5.4%
Santa Clara	San Mateo	27,676	31,896	40,666	8,770	27.5%
Santa Clara	Santa Clara	597,764	710,582	727,915	17,333	2.4%
Santa Clara	Alameda	9,907	24,163	37,015	12,852	53.2%
Santa Clara	Contra Costa	795	2,299	2,824	525	22.8%
Santa Clara	Solano	64	121	581	460	380.2%
Santa Clara	Napa	74	34	161	127	373.5%
Santa Clara	Sonoma	149	116	505	389	335.3%
Santa Clara	Marin	30	421	578	157	37.3%
Santa Clara	Mendocino	18	11	18	7	63.6%
Santa Clara	Lake	21	17	6	-11	-64.7%
Santa Clara	Colusa	0	0	0	0	NA
Santa Clara	Yolo	63	49	74	25	51.0%
Santa Clara	Sacramento	169	424	283	-141	-33.3%
Santa Clara	Placer	23	83	57	-26	-31.3%
Santa Clara	San Joaquin	82	326	241	-85	-26.1%
Santa Clara	Stanislaus	140	153	169	16	10.5%
Santa Clara	Merced	35	43	57	14	32.6%
Santa Clara	San Benito	547	796	1,017	221	27.8%
Santa Clara	Monterey	746	1,126	1,356	230	20.4%
Santa Clara	Santa Cruz	1,214	3,484	3,463	-21	-0.6%
Alameda	San Francisco	50,895	60,505	72,035	11,530	19.1%
Alameda	San Mateo	15,125	26,633	33,501	6,868	25.8%
Alameda	Santa Clara	27,474	53,139	69,669	16,530	31.1%
Alameda	Alameda	387,411	433,159	453,917	20,758	4.8%
Alameda	Contra Costa	18,913	34,613	35,517	904	2.6%
Alameda	Solano	1,351	1,309	1,883	574	43.9%
Alameda	Napa	72	211	340	129	61.1%
Alameda	Sonoma	288	487	867	380	78.0%
Alameda	Marin	1,119	2,723	3,745	1,022	37.5%
Alameda	Mendocino	19	8	37	29	362.5%
Alameda	Lake	26	16	12	-4	-25.0%
Alameda	Colusa	27	5	0	-5	-100.0%
Alameda	Yolo	73	187	260	73	39.0%
Alameda	Sacramento	381	553	705	152	27.5%
Alameda	Placer	37	28	118	90	321.4%
Alameda	San Joaquin	315	858	1,415	557	64.9%
Alameda	Stanislaus	80	303	342	39	12.9%
Alameda	Merced	0	52	31	-21	-40.4%
Alameda	San Benito	9	18	35	17	94.4%
Alameda	Monterey	70	172	141	-31	-18.0%
Alameda	Santa Cruz	100	310	462	152	49.0%
Contra Costa	San Francisco	38,236	47,678	49,525	1,847	3.9%
Contra Costa	San Mateo	3,972	7,867	9,279	1,412	17.9%
Contra Costa	Santa Clara	2,389	6,010	10,145	4,135	68.8%
Contra Costa	Alameda	68,511	83,446	95,938	12,492	15.0%
Contra Costa	Contra Costa	177,015	237,511	254,749	17,238	7.3%
Contra Costa	Solano	3,648	6,060	6,506	446	7.4%
Contra Costa	Napa	343	453	1,094	641	141.5%
Contra Costa	Sonoma	175	428	1,037	609	142.3%
Contra Costa	Marin	1,687	3,280	6,803	3,523	107.4%
Contra Costa	Mendocino	0	36	47	11	30.6%
Contra Costa	Lake	10	0	65	65	NA
Contra Costa	Colusa	0	0	23	23	NA
Contra Costa	Yolo	67	196	294	98	50.0%
Contra Costa	Sacramento	431	803	1,107	304	37.9%
Contra Costa	Placer	18	93	91	-2	-2.2%
Contra Costa	San Joaquin	436	974	1,640	666	68.4%
Contra Costa	Stanislaus	127	180	174	-6	-3.3%
Contra Costa	Merced	28	13	25	12	92.3%
Contra Costa	San Benito	0	0	29	29	NA
Contra Costa	Monterey	41	109	91	-18	-16.5%
Contra Costa	Santa Cruz	62	44	141	97	220.5%
Solano	San Francisco	4,371	9,805	10,386	581	5.9%
Solano	San Mateo	827	2,577	2,880	303	11.8%
Solano	Santa Clara	252	1,000	1,605	605	60.5%
Solano	Alameda	4,817	10,326	12,588	2,262	21.9%
Solano	Contra Costa	10,242	20,899	22,018	1,119	5.4%
Solano	Solano	72,142	93,704	99,231	5,527	5.9%
Solano	Napa	2,846	5,492	8,256	2,764	50.3%
Solano	Sonoma	412	1,105	2,334	1,229	111.2%
Solano	Marin	964	1,913	4,418	2,505	130.9%
Solano	Mendocino	0	0	0	0	NA
Solano	Lake	47	0	10	10	NA
Solano	Colusa	14	15	27	12	80.0%
Solano	Yolo	1,708	2,658	3,571	913	34.3%
Solano	Sacramento	1,025	3,316	4,526	1,210	36.5%
Solano	Placer	40	71	235	164	231.0%
Solano	San Joaquin	158	286	332	46	16.1%
Solano	Stanislaus	0	60	89	29	48.3%
Solano	Merced	53	34	27	-7	-20.6%
Solano	San Benito	0	5	0	-5	-100.0%
Solano	Monterey	0	54	40	-14	-25.9%
Solano	Santa Cruz	68	34	61	27	79.4%
Napa	San Francisco	549	1,044	1,305	261	25.0%
Napa	San Mateo	149	286	462	176	61.5%
Napa	Santa Clara	95	103	365	262	254.4%
Napa	Alameda	880	1,087	1,229	142	13.1%
Napa	Contra Costa	1,126	1,807	1,974	167	9.2%
Napa	Solano	5,572	5,805	3,756	-2,049	-35.3%
Napa	Napa	31,808	37,464	44,341	6,877	18.4%
Napa	Sonoma	1,124	1,630	2,146	516	31.7%
Napa	Marin	215	549	894	345	62.8%
Napa	Mendocino	0	21	23	2	9.5%
Napa	Lake	13	90	58	-32	-35.6%
Napa	Colusa	0	0	0	0	NA
Napa	Yolo	15	48	146	98	204.2%
Napa	Sacramento	69	188	227	39	20.7%
Napa	Placer	0	16	14	-2	-12.5%
Napa	San Joaquin	0	20	19	-1	-5.0%
Napa	Stanislaus	12	48	0	-48	-100.0%
Napa	Merced	0	0	0	0	NA
Napa	San Benito	11	0	0	0	NA
Napa	Monterey	0	7	12	5	71.4%
Napa	Santa Cruz	24	0	30	30	NA
Sonoma	San Francisco	6,489	8,357	8,192	-165	-2.0%
Sonoma	San Mateo	883	1,528	1,633	105	6.9%
Sonoma	Santa Clara	100	388	1,246	858	221.1%
Sonoma	Alameda	826	1,839	2,367	528	28.7%
Sonoma	Contra Costa	647	1,425	1,776	351	24.6%
Sonoma	Solano	895	1,310	1,299	-11	-0.8%
Sonoma	Napa	1,238	2,026	3,030	1,004	49.6%
Sonoma	Sonoma	105,957	154,324	184,423	30,099	19.5%
Sonoma	Marin	9,594	15,352	18,336	2,984	19.4%
Sonoma	Mendocino	188	493	545	52	10.5%
Sonoma	Lake	104	225	323	98	43.6%
Sonoma	Colusa	37	0	8	8	NA
Sonoma	Yolo	29	73	87	14	19.2%
Sonoma	Sacramento	207	336	196	-140	-41.7%
Sonoma	Placer	44	23	28	5	21.7%
Sonoma	San Joaquin	10	87	25	-62	-71.3%
Sonoma	Stanislaus	23	6	9	3	50.0%
Sonoma	Merced	0	7	0	-7	-100.0%
Sonoma	San Benito	0	0	23	23	NA
Sonoma	Monterey	14	30	9	-21	-70.0%
Sonoma	Santa Cruz	25	27	70	43	159.3%
Marin	San Francisco	37,662	33,656	30,894	-2,762	-8.2%