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RANKING · 2024 ACS · 57 SHOWN OF 57

Highest Swiss population share, California counties

California counties ranked by the share of all residents who are Swiss ancestry (2024 American Community Survey). A concentration measure: Swiss residents as a percentage of total population. This list covers the 57 counties in California that qualify, ranked against each other statewide. The median across all 57 is 0.3%. Biggest climber in the top 100 since 2020: Trinity County, CA, up 25 places to #22.

Swiss Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Highest Swiss population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPSWISS SHAREVS 2010
01▲1Modoc County, CACA8,4263.3%+2.8 pts
02▲3Marin County, CACA253,6940.9%−0.2 pts
03▲12El Dorado County, CACA192,3230.6%−0.2 pts
04▼1Inyo County, CACA18,1580.6%+0.4 pts
05▼1Sonoma County, CACA486,4440.6%−0.3 pts
06▲4Humboldt County, CACA131,6470.6%−0.4 pts
07▼6Sierra County, CACA3,0980.6%−3.7 pts
08▼1San Luis Obispo County, CACA282,3670.6%−0.5 pts
09▲14Siskiyou County, CACA42,0130.5%0.0 pts
10▲16Amador County, CACA41,8760.5%−0.1 pts
11▲2Napa County, CACA132,9490.5%−0.1 pts
12▲23Calaveras County, CACA46,6050.5%0.0 pts
13▲8Placer County, CACA442,0810.5%−0.1 pts
14▲10Nevada County, CACA101,9110.5%−0.5 pts
15▲10Yolo County, CACA224,4100.5%−0.1 pts
16▲11Monterey County, CACA433,7290.5%−0.3 pts
17▼6Tuolumne County, CACA53,1600.5%−0.2 pts
18▲1Santa Cruz County, CACA258,8520.5%−0.2 pts
19▼3Santa Barbara County, CACA442,0650.4%−0.2 pts
20▼12San Benito County, CACA70,0820.4%−0.2 pts
21▼9Butte County, CACA209,2110.4%−0.4 pts
22▲25Trinity County, CACA15,7200.4%−1.2 pts
23▼17Del Norte County, CACA26,4100.4%−0.1 pts
24▲7Sacramento County, CACA1,618,4600.3%0.0 pts
25▼3Shasta County, CACA181,6480.3%−0.2 pts
26▼6Mendocino County, CACA88,1220.3%−0.3 pts
27▼13Mono County, CACA12,5050.3%−0.6 pts
28▲2Stanislaus County, CACA557,7190.3%−0.2 pts
29Lake County, CACA67,7720.3%−0.3 pts
30▲2San Francisco County, CACA826,0790.3%−0.1 pts
31▼3San Mateo County, CACA743,5680.3%−0.1 pts
32▲13Sutter County, CACA98,7870.3%−0.2 pts
33▲1Colusa County, CACA21,8360.3%−0.5 pts
34▼1Glenn County, CACA28,1410.3%−0.3 pts
35▼18Lassen County, CACA28,1170.3%−0.2 pts
36▲5San Diego County, CACA3,282,2480.2%−0.1 pts
37Santa Clara County, CACA1,914,3910.2%−0.2 pts
38▼2Contra Costa County, CACA1,170,0700.2%−0.2 pts
39▲5Ventura County, CACA830,8510.2%−0.1 pts
40▼1Alameda County, CACA1,636,6300.2%−0.1 pts
41▲16Madera County, CACA167,9270.2%0.0 pts
42▲7Solano County, CACA455,3760.2%−0.2 pts
43Tehama County, CACA64,6650.2%−0.2 pts
44▲2Orange County, CACA3,149,5070.2%−0.1 pts
45▲3Merced County, CACA297,2600.2%−0.2 pts
46▼4San Joaquin County, CACA823,8150.2%−0.2 pts
47▼7Imperial County, CACA181,4110.2%−0.1 pts
48▼30Plumas County, CACA18,5830.1%−0.6 pts
49▲2Fresno County, CACA1,035,4560.1%−0.1 pts
50▲2Los Angeles County, CACA9,694,9340.1%0.0 pts
51▲3Kern County, CACA927,0680.1%−0.1 pts
52▼2Kings County, CACA154,3270.1%0.0 pts
53▲5Tulare County, CACA485,1460.1%0.0 pts
54▲1Riverside County, CACA2,544,9160.1%−0.1 pts
55▼17Mariposa County, CACA16,9180.1%–
56▼3San Bernardino County, CACA2,224,0910.1%−0.1 pts
57▼1Yuba County, CACA88,6910.1%−0.2 pts
SHOWING 1–57 OF 57

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES