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 10,098,052
2 San Diego County 3,302,833
3 Orange County 3,164,182
4 Riverside County 2,383,286
5 San Bernardino County 2,135,413
6 Santa Clara County 1,922,200
7 Alameda County 1,643,700
8 Sacramento County 1,510,023
9 Contra Costa County 1,133,247
10 Fresno County 978,130
11 Kern County 883,053
12 San Francisco County 870,044
13 Ventura County 848,112
14 San Mateo County 765,935
15 San Joaquin County 732,212
16 Stanislaus County 539,301
17 Sonoma County 501,317
18 Tulare County 460,477
19 Santa Barbara County 443,738
20 Solano County 438,530
21 Monterey County 433,212
22 Placer County 380,077
23 San Luis Obispo County 281,455
24 Santa Cruz County 273,765
25 Merced County 269,075
26 Marin County 260,295
27 Butte County 227,075
28 Yolo County 214,977
29 El Dorado County 186,661
30 Imperial County 180,216
31 Shasta County 179,085
32 Madera County 155,013
33 Kings County 150,075
34 Napa County 140,530
35 Humboldt County 135,768
36 Nevada County 99,092
37 Sutter County 95,872
38 Mendocino County 87,422
39 Yuba County 75,493
40 Lake County 64,148
41 Tehama County 63,373
42 San Benito County 59,416
43 Tuolumne County 53,932
44 Calaveras County 45,235
45 Siskiyou County 43,540
46 Amador County 37,829
47 Lassen County 31,185
48 Glenn County 27,897
49 Del Norte County 27,424
50 Colusa County 21,464
51 Plumas County 18,699
52 Inyo County 18,085
53 Mariposa County 17,540
54 Mono County 14,174
55 Trinity County 12,862
56 Modoc County 8,938
57 Sierra County 2,930
58 Alpine County 1,146

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2018. U.S. Census Bureau, Population Division. Web. May 2019. http://www.census.gov/.

United States Census Bureau. B01001 SEX BY AGE, 2018 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 19 December 2019. http://www.census.gov/.

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