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RANKING · 2020 CENSUS · 55 SHOWN OF 55

Highest South American population share, California counties · 2020

California counties ranked by the share of all residents who are South American origin (2020 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 55 counties in California that qualify, ranked against each other statewide.

South Americans: full group profile →
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SAME RANKING BYCitiesStatesMetros
RELATEDLargest Mexican populationHighest Mexican population shareLargest Puerto Rican populationHighest Puerto Rican population shareLargest Cuban populationHighest Cuban population share
YEAR201020202024
Highest South American population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPSOUTH AMERICAN SHAREVS 2010
01Alpine County, CACA1,0435.3%–
02San Mateo County, CACA743,5681.6%+0.3 pts
03Tuolumne County, CACA53,1601.4%+1.3 pts
04Marin County, CACA253,6941.4%+0.4 pts
05Contra Costa County, CACA1,170,0701.4%+0.3 pts
06Los Angeles County, CACA9,694,9341.3%+0.1 pts
07San Francisco County, CACA826,0791.3%+0.3 pts
08Orange County, CACA3,149,5071.2%+0.2 pts
09Yolo County, CACA224,4101.1%+0.4 pts
10Santa Clara County, CACA1,914,3911.0%+0.2 pts
11Ventura County, CACA830,8511.0%+0.2 pts
12San Bernardino County, CACA2,224,0911.0%+0.1 pts
13Riverside County, CACA2,544,9160.9%+0.3 pts
14Santa Barbara County, CACA442,0650.9%+0.4 pts
15Alameda County, CACA1,636,6300.9%+0.2 pts
16San Diego County, CACA3,282,2480.8%+0.3 pts
17Placer County, CACA442,0810.8%+0.6 pts
18Solano County, CACA455,3760.7%+0.3 pts
19San Benito County, CACA70,0820.6%+0.1 pts
20Monterey County, CACA433,7290.6%+0.2 pts
21Santa Cruz County, CACA258,8520.6%+0.1 pts
22Sonoma County, CACA486,4440.6%+0.3 pts
23Napa County, CACA132,9490.5%−0.0 pts
24Sacramento County, CACA1,618,4600.5%+0.1 pts
25Humboldt County, CACA131,6470.5%+0.3 pts
26Mendocino County, CACA88,1220.4%+0.4 pts
27El Dorado County, CACA192,3230.4%−0.0 pts
28San Luis Obispo County, CACA282,3670.4%+0.0 pts
29Imperial County, CACA181,4110.4%+0.3 pts
30San Joaquin County, CACA823,8150.4%−0.0 pts
31Kern County, CACA927,0680.3%+0.0 pts
32Stanislaus County, CACA557,7190.3%+0.0 pts
33Siskiyou County, CACA42,0130.3%+0.2 pts
34Yuba County, CACA88,6910.3%+0.2 pts
35Shasta County, CACA181,6480.3%+0.1 pts
36Merced County, CACA297,2600.3%+0.0 pts
37Inyo County, CACA18,1580.3%+0.1 pts
38Fresno County, CACA1,035,4560.3%−0.0 pts
39Amador County, CACA41,8760.3%+0.2 pts
40Nevada County, CACA101,9110.2%+0.2 pts
41Tulare County, CACA485,1460.2%+0.1 pts
42Del Norte County, CACA26,4100.2%+0.2 pts
43Kings County, CACA154,3270.2%+0.1 pts
44Lake County, CACA67,7720.2%+0.0 pts
45Plumas County, CACA18,5830.2%+0.1 pts
46Modoc County, CACA8,4260.2%–
47Madera County, CACA167,9270.2%+0.1 pts
48Butte County, CACA209,2110.2%−0.1 pts
49Mariposa County, CACA16,9180.2%−0.1 pts
50Calaveras County, CACA46,6050.1%+0.1 pts
51Sutter County, CACA98,7870.1%−0.1 pts
52Tehama County, CACA64,6650.1%–
53Glenn County, CACA28,1410.0%−0.4 pts
54Colusa County, CACA21,8360.0%−0.1 pts
55Mono County, CACA12,5050.0%–
SHOWING 1–55 OF 55
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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS