Ranking of California Counties By Percentage of the Voting-age Population that Identified as Non-Hispanic from Census 2020

Updated on August 29, 2023.

According to the data from the United States 2020 decennial Census, in April 2020, among all of California counties, Trinity County had the highest percentange of a county's voting-age population who identified as Non-Hispanic (not hispanic or latino) (94.90%), followed by Alpine County (93.86%), and Plumas County (92.39%).

The chart below shows the top 10 counties, and the table below shows the ranking of all California counties based on the percentage of each county's voting-age population that identified as non-hispanic.

You can see similar ranking information for other states and also for the different racial groups in California.

Ranking of California Counties By Percentage of the Voting-age Population that Identified as Non-Hispanic from Census 2020
Trinity
Alpine
Plumas
Nevada
Shasta
Sierra
Mariposa
Siskiyou
Calaveras
Tuolumne
Ranking of California Counties By Percentage of the Voting-age Population that Identified as Non-Hispanic from Census 2020
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Rank County % County Voting-age Population
1 Trinity County 94.90
2 Alpine County 93.86
3 Plumas County 92.39
4 Nevada County 91.49
5 Shasta County 90.95
6 Sierra County 90.59
7 Mariposa County 89.62
8 Siskiyou County 89.52
9 Calaveras County 88.88
10 Tuolumne County 88.58
11 El Dorado County 88.25
12 Humboldt County 88.09
13 Modoc County 87.65
14 Placer County 87.06
15 Amador County 86.63
16 San Francisco County 85.40
17 Marin County 83.40
18 Butte County 83.11
19 Del Norte County 81.92
20 Lake County 81.15
21 Inyo County 80.43
22 San Luis Obispo County 79.29
23 Sacramento County 78.85
24 Alameda County 78.62
25 Mendocino County 78.17
26 Mono County 77.42
27 Tehama County 77.15
28 Santa Clara County 76.92
29 San Mateo County 76.85
30 Lassen County 76.63
31 Contra Costa County 75.58
32 Sonoma County 75.04
33 Solano County 75.03
34 Yuba County 74.79
35 Sutter County 72.26
36 Yolo County 70.12
37 Santa Cruz County 69.13
38 San Diego County 69.06
39 Orange County 68.88
40 Napa County 68.86
41 San Joaquin County 62.06
42 Glenn County 60.89
43 Ventura County 60.71
44 Santa Barbara County 58.33
45 Stanislaus County 56.43
46 Los Angeles County 55.24
47 Riverside County 54.45
48 Fresno County 50.40
49 San Bernardino County 50.02
50 Kern County 49.46
51 Kings County 47.13
52 Madera County 46.09
53 Monterey County 45.13
54 Colusa County 43.88
55 San Benito County 43.18
56 Merced County 42.77
57 Tulare County 39.25
58 Imperial County 17.03