RANKING · 2024 ACS · 58 SHOWN OF 58

Highest Polish population share, California counties

California counties ranked by the share of all residents who are Polish ancestry (2023 American Community Survey). A concentration measure: Polish residents as a percentage of total population. This list covers the 58 counties in California that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPPOLISH SHAREVS 2000

01Marin County, CACA253,6942.9%–

02Mariposa County, CACA16,9182.9%–

03Inyo County, CACA18,1582.3%–

04Amador County, CACA41,8762.1%–

05Nevada County, CACA101,9112.1%–

06Lake County, CACA67,7721.9%–

07Humboldt County, CACA131,6471.8%–

08Sonoma County, CACA486,4441.8%–

09Santa Cruz County, CACA258,8521.8%–

10San Francisco County, CACA826,0791.8%–

11San Luis Obispo County, CACA282,3671.8%–

12El Dorado County, CACA192,3231.7%–

13San Diego County, CACA3,282,2481.6%–

14Ventura County, CACA830,8511.6%–

15Tuolumne County, CACA53,1601.6%–

16Mono County, CACA12,5051.4%–

17Yolo County, CACA224,4101.4%–

18Orange County, CACA3,149,5071.3%–

19Placer County, CACA442,0811.3%–

20Santa Barbara County, CACA442,0651.3%–

21Contra Costa County, CACA1,170,0701.3%–

22Napa County, CACA132,9491.2%–

23Del Norte County, CACA26,4101.2%–

24San Mateo County, CACA743,5681.2%–

25Plumas County, CACA18,5831.2%–

26Shasta County, CACA181,6481.1%–

27Calaveras County, CACA46,6051.1%–

28Alameda County, CACA1,636,6301.1%–

29Modoc County, CACA8,4261.1%–

30Yuba County, CACA88,6911.1%–

31Los Angeles County, CACA9,694,9341.1%–

32Sacramento County, CACA1,618,4601.1%–

33Santa Clara County, CACA1,914,3911.0%–

34Lassen County, CACA28,1171.0%–

35Mendocino County, CACA88,1221.0%–

36San Benito County, CACA70,0821.0%–

37Riverside County, CACA2,544,9161.0%–

38Siskiyou County, CACA42,0130.9%–

39Solano County, CACA455,3760.9%–

40Butte County, CACA209,2110.8%–

41Monterey County, CACA433,7290.7%–

42Tehama County, CACA64,6650.7%–

43San Bernardino County, CACA2,224,0910.7%–

44San Joaquin County, CACA823,8150.6%–

45Kern County, CACA927,0680.6%–

46Sierra County, CACA3,0980.5%–

47Stanislaus County, CACA557,7190.5%–

48Glenn County, CACA28,1410.5%–

49Alpine County, CACA1,0430.4%–

50Madera County, CACA167,9270.4%–

51Fresno County, CACA1,035,4560.3%–

52Sutter County, CACA98,7870.3%–

53Kings County, CACA154,3270.3%–

54Tulare County, CACA485,1460.3%–

55Trinity County, CACA15,7200.2%–

56Merced County, CACA297,2600.2%–

57Colusa County, CACA21,8360.1%–

58Imperial County, CACA181,4110.1%–

SHOWING 1–58 OF 58

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES