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 10,163,507
2 San Diego County 3,337,685
3 Orange County 3,190,400
4 Riverside County 2,423,266
5 San Bernardino County 2,157,404
6 Santa Clara County 1,938,153
7 Alameda County 1,663,190
8 Sacramento County 1,530,615
9 Contra Costa County 1,147,439
10 Fresno County 989,255
11 Kern County 893,119
12 San Francisco County 884,363
13 Ventura County 854,223
14 San Mateo County 771,410
15 San Joaquin County 745,424
16 Stanislaus County 547,899
17 Sonoma County 504,217
18 Tulare County 464,493
19 Santa Barbara County 448,150
20 Solano County 445,458
21 Monterey County 437,907
22 Placer County 386,166
23 San Luis Obispo County 283,405
24 Santa Cruz County 275,897
25 Merced County 272,673
26 Marin County 260,955
27 Butte County 229,294
28 Yolo County 219,116
29 El Dorado County 188,987
30 Imperial County 182,830
31 Shasta County 179,921
32 Madera County 156,890
33 Kings County 150,101
34 Napa County 140,973
35 Humboldt County 136,754
36 Nevada County 99,814
37 Sutter County 96,648
38 Mendocino County 88,018
39 Yuba County 77,031
40 Lake County 64,246
41 Tehama County 63,926
42 San Benito County 60,310
43 Tuolumne County 54,248
44 Calaveras County 45,670
45 Siskiyou County 43,853
46 Amador County 38,626
47 Lassen County 31,163
48 Glenn County 28,094
49 Del Norte County 27,470
50 Colusa County 21,805
51 Plumas County 18,742
52 Inyo County 18,026
53 Mariposa County 17,569
54 Mono County 14,168
55 Trinity County 12,709
56 Modoc County 8,859
57 Sierra County 2,999
58 Alpine County 1,120

United States Census Bureau / American FactFinder. "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2017". 2017 Population Estimates Program. Web. March 2018. http://factfinder2.census.gov.

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