RANKING · 2020 CENSUS · 42 SHOWN OF 42

Highest Polish population share, Idaho counties · 2020

Idaho counties ranked by the share of all residents who are Polish ancestry (2020 American Community Survey). A concentration measure: Polish residents as a percentage of total population. This list covers the 42 counties in Idaho that qualify, ranked against each other statewide. The median across all 42 is 0.9%.

Polish Americans: full group profile →

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPPOLISH SHAREVS 2010

01Boise County, IDID8,5452.2%−0.5 pts

02Adams County, IDID5,0132.2%−1.6 pts

03Kootenai County, IDID191,8641.9%−0.4 pts

04Latah County, IDID41,8421.8%−0.4 pts

05Ada County, IDID546,1411.8%+0.1 pts

06Lemhi County, IDID8,4741.8%0.0 pts

07Elmore County, IDID29,4651.7%−0.4 pts

08Lewis County, IDID3,7041.7%+0.8 pts

09Teton County, IDID13,2541.7%+1.1 pts

10Gem County, IDID21,7731.6%−0.7 pts

11Bannock County, IDID91,5911.5%+0.4 pts

12Benewah County, IDID10,5081.3%0.0 pts

13Clearwater County, IDID9,1181.2%−0.2 pts

14Shoshone County, IDID14,1301.1%−0.3 pts

15Butte County, IDID2,7831.1%0.0 pts

16Canyon County, IDID275,1231.0%−0.1 pts

17Bonneville County, IDID135,7711.0%−0.2 pts

18Idaho County, IDID17,8741.0%−0.5 pts

19Camas County, IDID1,3160.9%+0.5 pts

20Bonner County, IDID54,4200.9%−0.9 pts

21Blaine County, IDID25,5170.9%0.0 pts

22Custer County, IDID4,6360.9%−0.3 pts

23Minidoka County, IDID22,9110.9%0.0 pts

24Jerome County, IDID26,3620.8%+0.3 pts

25Boundary County, IDID13,9970.8%−1.1 pts

26Nez Perce County, IDID42,9050.7%−0.3 pts

27Valley County, IDID12,8310.7%−1.9 pts

28Bingham County, IDID51,1530.7%+0.4 pts

29Fremont County, IDID14,2080.7%+0.1 pts

30Madison County, IDID55,1720.6%0.0 pts

31Payette County, IDID27,8240.6%−0.6 pts

32Twin Falls County, IDID97,5390.5%−0.6 pts

33Power County, IDID8,2460.4%0.0 pts

34Gooding County, IDID16,4460.3%−0.2 pts

35Jefferson County, IDID35,2970.3%+0.2 pts

36Lincoln County, IDID5,6030.3%−0.8 pts

37Washington County, IDID11,5830.3%0.0 pts

38Cassia County, IDID26,3970.3%−0.1 pts

39Franklin County, IDID15,8890.2%0.0 pts

40Owyhee County, IDID12,6610.2%−0.4 pts

41Bear Lake County, IDID6,7270.1%−0.5 pts

42Oneida County, IDID5,0850.1%–

SHOWING 1–42 OF 42

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS