RANKING · 2020 CENSUS · 42 SHOWN OF 42

Largest Polish population, Idaho counties · 2020

Idaho counties ranked by the number of residents who are Polish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 42 counties in Idaho that qualify, ranked against each other statewide.

Polish Americans: full group profile →

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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 POPULATIONVS 2010

01Ada County, IDID546,1418,373+33%

02Kootenai County, IDID191,8643,011+1%

03Canyon County, IDID275,1232,294+14%

04Bannock County, IDID91,5911,296+51%

05Bonneville County, IDID135,7711,169−2%

06Latah County, IDID41,842718−11%

07Twin Falls County, IDID97,539473−43%

08Elmore County, IDID29,465468−17%

09Bonner County, IDID54,420418−45%

10Bingham County, IDID51,153331+107%

11Nez Perce County, IDID42,905300−24%

12Gem County, IDID21,773276−26%

13Madison County, IDID55,172243+12%

14Blaine County, IDID25,517206+6%

15Teton County, IDID13,254197+294%

16Jerome County, IDID26,362196+70%

17Minidoka County, IDID22,911183+2%

18Boise County, IDID8,545170−11%

19Idaho County, IDID17,874162−32%

20Shoshone County, IDID14,130144−22%

21Lemhi County, IDID8,474140−1%

22Payette County, IDID27,824132−50%

23Benewah County, IDID10,508124−3%

24Clearwater County, IDID9,118106−16%

25Boundary County, IDID13,99795−53%

26Fremont County, IDID14,20893+22%

27Jefferson County, IDID35,29792+130%

28Adams County, IDID5,01391−39%

29Valley County, IDID12,83181−69%

30Lewis County, IDID3,70465+91%

31Cassia County, IDID26,39761−20%

32Gooding County, IDID16,44651−39%

33Custer County, IDID4,63637−27%

34Power County, IDID8,24633−6%

35Butte County, IDID2,78329−12%

36Washington County, IDID11,58326+18%

37Franklin County, IDID15,88924−14%

38Owyhee County, IDID12,66118−69%

39Lincoln County, IDID5,60315−73%

40Camas County, IDID1,31610+100%

41Bear Lake County, IDID6,7279−76%

42Oneida County, IDID5,0853–

SHOWING 1–42 OF 42

Download CSV (full list, 42 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS