County 	Obama Percent	Votes for Prop 8	Votes against Prop 8	Proportion for Prop 8	Votes for Prop 4	Votes against Prop 4	Proportion for Prop 4	Percent Black	Percent Hispanic	Percent White	Percent Asian
San Francisco	84	55133	179397	23.5078668	53168	171296	23.68664908	7.2	14.1	44.6	32.1
Alameda	79	167095	271436	38.10334959	151391	272476	35.71662809	13.7	21.4	37.5	24.4
Marin	78	28518	84073	25.32884511	28445	81957	25.76493179	3	13.1	76.1	5.4
Santa Cruz	78	28738	71713	28.60897353	27085	70923	27.63549914	1.2	28.3	63.9	4.2
Sonoma	74	65898	128466	33.90442675	63319	125953	33.453971	1.7	22	69.4	4
San Mateo	73	79541	131746	37.64595077	75461	129007	36.90601952	3.3	23	46.7	23.6
Mendocino	70	8627	14166	37.84933971	7419	15002	33.08951429	0.8	19.7	71.6	1.4
Santa Clara	70	216630	271359	44.39239409	201976	265870	43.17147095	2.8	25.7	39.1	30.5
Los Angeles	69	1317125	1296319	50.39805712	1164079	1345591	46.38374766	9.6	47.3	29.2	13.1
Contra Costa	68	163059	198588	45.08788957	147582	204108	41.96366118	9.5	21.9	52.3	13.4
Monterey	68	44059	47569	48.08464661	29851	38161	43.89078398	3.7	51.5	36.3	6.6
Yolo	67	28727	40400	41.55684465	24293	43437	35.86741473	2.7	28.1	54.4	11.5
Napa	65	19248	23586	44.93626558	17452	24305	41.7941902	2	28.2	61.4	5.9
Humboldt	63	19529	29316	39.98157437	17165	30644	35.90328181	1.1	7.7	80.1	2
Solano	63	58055	45558	56.03061392	50606	50457	50.07371639	15.4	22	44.3	14.3
Alpine	61	293	379	43.60119048	250	413	37.70739065	0.7	8.4	70.5	0.3
Imperial	61	20217	8644	70.04954783	20821	7626	73.19225226	4.3	75.7	17.3	2.5
San Benito	60	5243	4332	54.75718016	4428	4910	47.41914757	1.3	51.9	42.2	3.4
Santa Barbara	60	62383	70539	46.93203533	55497	74144	42.80821654	2.3	38.2	53.3	4.6
Lake	58	10669	9621	52.58255298	9245	10925	45.83539911	2.3	14.9	76.8	1.2
Sacramento	58	214848	183600	53.92121431	177230	207638	46.04955465	10.5	19.3	52.8	13.5
Mono	56	2229	2782	44.48213929	1947	2951	39.75091874	0.8	22.7	71	1.4
Ventura	55	127124	111465	53.28158465	115768	116494	49.84371098	2.1	36.5	52.9	6.7
San Diego	54	519851	443243	53.97718187	492294	440849	52.75654428	5.5	30.1	51.7	10.3
San Joaquin	54	108864	57503	65.43605403	89302	71693	55.46880338	8	35.7	39.9	14.2
Merced	53	37455	15210	71.11933922	32283	19201	62.70491803	4.1	52.2	35.7	6.5
Nevada	52	22674	22002	50.75208165	19181	24483	43.92863686	0.5	6.9	88.6	1.1
San Luis Obispo	52	57260	54165	51.38882656	48445	59706	44.79385304	2.1	18.3	74.1	3.1
Riverside	51	266159	147918	64.2776585	241859	163014	59.73700395	6.6	42.2	44.1	5.4
San Bernardino	51	318338	156140	67.09225718	258074	177946	59.18856933	9.4	46	37.2	5.9
Trinity	51	3523	2753	56.13448056	2798	3403	45.12175456	0.5	5	85.6	0.9
Butte	50	47179	36035	56.69598866	38207	43170	46.95061258	1.6	12	77.9	4.2
Fresno	50	131598	59788	68.7605154	111518	74971	59.79870126	5.7	47.6	36.4	8.9
Stanislaus	50	84113	39512	68.0388271	72090	48412	59.8247332	3.2	38.4	50.7	5.2
Orange	47	483132	360740	57.2518107	439401	378511	53.72228308	1.9	32.9	47.4	16.1
Del Norte	46	5060	3364	60.06647673	4282	3945	52.04813419	4.5	15.3	68.3	2.7
El Dorado	44	43797	30922	58.61561316	35590	37484	48.70405343	1	10.5	82.1	3.3
Inyo	44	4335	2846	60.36763682	3351	3627	48.02235598	0.3	16.5	69.6	1.4
Placer	44	87906	58869	59.89167092	71427	71360	50.02346152	1.5	10.8	79.4	5.2
Siskiyou	44	10285	6845	60.04086398	8383	8343	50.11957432	1.3	9	81.7	1.3
Mariposa	43	5493	3336	62.21542644	4341	4304	50.21399653	1.1	10	81.9	1
Plumas	43	6575	4401	59.90342566	4797	5512	46.53215637	0.9	6.2	87.5	0.8
Tuolumne	43	14931	8937	62.55656109	11408	11753	49.25521351	2.3	9.3	83.3	1.1
Amador	42	11166	6240	64.150293	8148	8734	48.26442365	3.9	9.7	81.5	1.4
Calaveras	42	12590	7352	63.13308595	9485	9893	48.94725978	0.9	9.3	84.5	1.2
Kings	42	25051	8922	73.73796839	20923	10427	66.7400319	8.3	47.7	38.8	3.5
Madera	42	26279	9545	73.35585083	22297	12666	63.7731316	4.4	49.2	42.1	2
Tulare	42	59013	19284	75.37070386	50169	26315	65.59411119	2	55.8	37.4	3.6
Sutter	41	12712	5290	70.61437618	10359	7051	59.50028719	2.4	26.6	55.3	12.7
Yuba	41	11365	5411	67.74558894	9303	7210	56.33743111	3.2	21.9	61.8	7.8
Colusa	40	3937	1568	71.51680291	2996	2369	55.84342964	1	50	43.8	2.2
Kern	40	145855	47898	75.27883439	123145	65607	65.2416928	6.3	45.2	43	4.1
Glenn	38	7177	2623	73.23469388	5428	4134	56.76636687	0.7	33.5	59.5	3.1
Sierra	38	1272	711	64.14523449	976	958	50.46535677	0.5	8.8	87.2	0.2
Tehama	37	12831	4842	72.60227466	9796	7428	56.87412912	0.8	19	75	1.2
Shasta	36	46834	20186	69.88063265	37016	28375	56.60717836	1	7.2	84.2	2.3
Lassen	32	7079	2876	71.10999498	5674	4069	58.23668275	9.4	14.7	69.5	1
Modoc	30	3262	1129	74.28831701	2359	1954	54.69510781	0.8	11.8	80.7	0.8