California / Counties by Population

California Counties by Population

The data is from the US Census. Below are 58 California counties ranked 1 through 58. You can copy and paste this list directly into your favorite spreadsheet program. Don't you just adore lovely numbers listed nicely in columns & rows? We do!

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Rank County Population
1 Los Angeles County 10,105,722
2 San Diego County 3,283,665
3 Orange County 3,155,816
4 Riverside County 2,355,002
5 San Bernardino County 2,121,220
6 Santa Clara County 1,911,226
7 Alameda County 1,629,615
8 Sacramento County 1,495,400
9 Contra Costa County 1,123,678
10 Fresno County 971,616
11 Kern County 878,744
12 San Francisco County 864,263
13 Ventura County 847,834
14 San Mateo County 763,450
15 San Joaquin County 724,153
16 Stanislaus County 535,684
17 Sonoma County 500,943
18 Tulare County 458,809
19 Santa Barbara County 442,996
20 Solano County 434,981
21 Monterey County 433,168
22 Placer County 374,985
23 San Luis Obispo County 280,119
24 Santa Cruz County 273,263
25 Merced County 267,390
26 Marin County 260,814
27 Butte County 225,207
28 Yolo County 212,605
29 El Dorado County 185,015
30 Imperial County 179,957
31 Shasta County 178,919
32 Madera County 154,440
33 Kings County 150,183
34 Napa County 141,005
35 Humboldt County 135,490
36 Nevada County 98,838
37 Sutter County 95,583
38 Mendocino County 87,497
39 Yuba County 74,644
40 Lake County 64,095
41 Tehama County 63,247
42 San Benito County 58,671
43 Tuolumne County 53,899
44 Calaveras County 45,057
45 Siskiyou County 43,530
46 Amador County 37,306
47 Lassen County 31,470
48 Glenn County 27,935
49 Del Norte County 27,442
50 Colusa County 21,479
51 Plumas County 18,724
52 Inyo County 18,195
53 Mariposa County 17,658
54 Mono County 14,058
55 Trinity County 13,037
56 Modoc County 9,017
57 Sierra County 2,885
58 Alpine County 1,203

United States Census Bureau. B01001 SEX BY AGE, 2017 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 6 December 2018. http://www.census.gov/.

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