California

State in USA

Contents: Subdivision

The population development in California as well as related information and services (Wikipedia, Google, images).

The Details icon links to further information about a selected division including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

Name	Status	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01	Population Estimate 2025-07-01
California	State	29,760,021	33,871,648	37,253,956	39,555,703	39,355,309
Alameda	County	1,279,182	1,443,741	1,510,271	1,682,246	1,636,630	→
Alpine	County	1,113	1,208	1,175	1,178	1,043	→
Amador	County	30,039	35,100	38,091	40,487	41,876	→
Butte	County	182,120	203,171	220,000	211,629	209,211	→
Calaveras	County	31,998	40,554	45,578	45,285	46,605	→
Colusa	County	16,275	18,804	21,419	21,835	21,836	→
Contra Costa	County	803,732	948,816	1,049,025	1,166,035	1,170,070	→
Del Norte	County	23,460	27,507	28,610	27,749	26,410	→
El Dorado	County	125,995	156,299	181,058	191,189	192,323	→
Fresno	County	667,490	799,407	930,450	1,008,661	1,035,456	→
Glenn	County	24,798	26,453	28,122	28,910	28,141	→
Humboldt	County	119,118	126,518	134,623	136,462	131,647	→
Imperial	County	109,303	142,361	174,528	179,705	181,411	→
Inyo	County	18,281	17,945	18,546	19,020	18,158	→
Kern	County	543,477	661,645	839,631	909,227	927,068	→
Kings	County	101,469	129,461	152,982	152,480	154,327	→
Lake	County	50,631	58,309	64,665	68,162	67,772	→
Lassen	County	27,598	33,828	34,895	32,729	28,117	→
Los Angeles	County	8,863,164	9,519,338	9,818,605	10,017,414	9,694,934	→
Madera	County	88,090	123,109	150,865	156,258	167,927	→
Marin	County	230,096	247,289	252,409	262,312	253,694	→
Mariposa	County	14,302	17,130	18,251	17,133	16,918	→
Mendocino	County	80,345	86,265	87,841	91,585	88,122	→
Merced	County	178,403	210,554	255,793	282,457	297,260	→
Modoc	County	9,678	9,449	9,686	8,707	8,426	→
Mono	County	9,956	12,853	14,202	13,199	12,505	→
Monterey	County	355,660	401,762	415,057	441,022	433,729	→
Napa	County	110,765	124,279	136,484	138,023	132,949	→
Nevada	County	78,510	92,033	98,764	102,234	101,911	→
Orange	County	2,410,556	2,846,289	3,010,232	3,187,279	3,149,507	→
Placer	County	172,796	248,399	348,432	404,767	442,081	→
Plumas	County	19,739	20,824	20,007	19,794	18,583	→
Riverside	County	1,170,413	1,545,387	2,189,641	2,419,962	2,544,916	→
Sacramento	County	1,041,219	1,223,499	1,418,788	1,585,027	1,618,460	→
San Benito	County	36,697	53,234	55,269	64,205	70,082	→
San Bernardino	County	1,418,380	1,709,434	2,035,210	2,181,653	2,224,091	→
San Diego	County	2,498,016	2,813,833	3,095,313	3,298,648	3,282,248	→
San Francisco	County	723,959	776,733	805,235	878,550	826,079	→
San Joaquin	County	480,628	563,598	685,306	779,234	823,815	→
San Luis Obispo	County	217,162	246,681	269,637	282,440	282,367	→
San Mateo	County	649,623	707,161	718,451	764,508	743,568	→
Santa Barbara	County	369,608	399,347	423,895	448,214	442,065	→
Santa Clara	County	1,497,577	1,682,585	1,781,642	1,936,274	1,914,391	→
Santa Cruz	County	229,734	255,602	262,382	272,163	258,852	→
Shasta	County	147,036	163,256	177,223	182,452	181,648	→
Sierra	County	3,318	3,555	3,240	3,232	3,098	→
Siskiyou	County	43,531	44,301	44,900	44,076	42,013	→
Solano	County	340,421	394,542	413,344	453,556	455,376	→
Sonoma	County	388,222	458,614	483,878	488,860	486,444	→
Stanislaus	County	370,522	446,997	514,453	553,284	557,719	→
Sutter	County	64,415	78,930	94,737	99,632	98,787	→
Tehama	County	49,625	56,039	63,463	65,912	64,665	→
Trinity	County	13,063	13,022	13,786	16,116	15,720	→
Tulare	County	311,921	368,021	442,179	473,118	485,146	→
Tuolumne	County	48,456	54,501	55,365	55,612	53,160	→
Ventura	County	669,016	753,197	823,318	844,358	830,851	→
Yolo	County	141,092	168,660	200,849	217,871	224,410	→
Yuba	County	58,228	60,219	72,155	81,573	88,691	→
USA [United States of America]	Federal Republic	248,709,873	281,421,906	308,745,538	331,516,113	341,784,857

Source: U.S. Census Bureau.

Explanation: Latest available rebased total population figures are tabulated.

Further information about the population structure:

Gender (E 2024)
Males	19,672,089
Females	19,759,174

Age Groups (E 2024)
0-17 years	8,418,552
18-64 years	24,490,838
65+ years	6,521,873

Age Distribution (E 2024)
80+ years	1,508,833
70-79 years	2,946,943
60-69 years	4,396,668
50-59 years	4,770,605
40-49 years	5,142,362
30-39 years	5,888,937
20-29 years	5,291,305
10-19 years	5,081,030
0-9 years	4,404,580

Urbanization (C 2020)
Rural	2,278,733
Urban	37,259,490

»Race« (C 2020)
White	16,296,122
Black/African American	2,237,044
Indigenous	631,016
Asian	6,085,947
Pacific Islander	157,263
Some other	8,370,596
2 or more	5,760,235

Ethnicity (C 2020)
Hispanic or Latino	15,579,652
Other	23,958,571

Contents: Subdivision

Further information about the population structure:

See also: