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RANKING · 2020 CENSUS · 55 SHOWN OF 55

Highest Finnish population share, California counties · 2020

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

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RELATEDLargest American populationHighest American population shareLargest Arab populationHighest Arab population shareLargest Egyptian populationHighest Egyptian population share
YEAR201020202024
Highest Finnish population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPFINNISH SHAREVS 2010
01Mendocino County, CACA88,1220.9%−0.4 pts
02Mono County, CACA12,5050.8%–
03Siskiyou County, CACA42,0130.5%+0.3 pts
04Mariposa County, CACA16,9180.5%+0.4 pts
05Humboldt County, CACA131,6470.4%+0.0 pts
06Nevada County, CACA101,9110.4%−0.2 pts
07Lassen County, CACA28,1170.4%+0.2 pts
08Sonoma County, CACA486,4440.4%−0.0 pts
09El Dorado County, CACA192,3230.4%−0.0 pts
10Shasta County, CACA181,6480.3%−0.3 pts
11Napa County, CACA132,9490.3%+0.1 pts
12Tuolumne County, CACA53,1600.3%−0.1 pts
13Contra Costa County, CACA1,170,0700.3%+0.0 pts
14Placer County, CACA442,0810.3%−0.1 pts
15Del Norte County, CACA26,4100.3%−0.1 pts
16Marin County, CACA253,6940.3%−0.0 pts
17Plumas County, CACA18,5830.2%−1.2 pts
18Santa Cruz County, CACA258,8520.2%−0.1 pts
19Butte County, CACA209,2110.2%+0.0 pts
20Santa Barbara County, CACA442,0650.2%+0.0 pts
21San Luis Obispo County, CACA282,3670.2%+0.0 pts
22Amador County, CACA41,8760.2%+0.1 pts
23Calaveras County, CACA46,6050.2%−0.0 pts
24Ventura County, CACA830,8510.2%+0.1 pts
25San Francisco County, CACA826,0790.2%+0.0 pts
26Trinity County, CACA15,7200.2%−0.7 pts
27Inyo County, CACA18,1580.2%+0.1 pts
28Yolo County, CACA224,4100.2%−0.0 pts
29San Mateo County, CACA743,5680.2%−0.0 pts
30San Diego County, CACA3,282,2480.2%+0.0 pts
31Alameda County, CACA1,636,6300.2%+0.0 pts
32San Benito County, CACA70,0820.1%+0.1 pts
33Lake County, CACA67,7720.1%−0.2 pts
34Madera County, CACA167,9270.1%+0.1 pts
35Solano County, CACA455,3760.1%−0.1 pts
36Santa Clara County, CACA1,914,3910.1%−0.0 pts
37Sacramento County, CACA1,618,4600.1%−0.0 pts
38Kern County, CACA927,0680.1%+0.0 pts
39Colusa County, CACA21,8360.1%+0.1 pts
40Orange County, CACA3,149,5070.1%−0.0 pts
41Stanislaus County, CACA557,7190.1%−0.0 pts
42Tehama County, CACA64,6650.1%−0.1 pts
43Fresno County, CACA1,035,4560.1%−0.0 pts
44Tulare County, CACA485,1460.1%+0.0 pts
45Modoc County, CACA8,4260.1%−0.2 pts
46Monterey County, CACA433,7290.1%−0.0 pts
47Riverside County, CACA2,544,9160.1%−0.0 pts
48Los Angeles County, CACA9,694,9340.1%−0.0 pts
49San Joaquin County, CACA823,8150.1%−0.0 pts
50Kings County, CACA154,3270.1%−0.1 pts
51San Bernardino County, CACA2,224,0910.1%−0.0 pts
52Glenn County, CACA28,1410.1%−0.1 pts
53Sutter County, CACA98,7870.0%−0.1 pts
54Yuba County, CACA88,6910.0%−0.1 pts
55Merced County, CACA297,2600.0%−0.1 pts
SHOWING 1–55 OF 55
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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS