RANKING · 2024 ACS · 44 SHOWN OF 44

Highest Swedish population share, Idaho counties

Idaho counties ranked by the share of all residents who are Swedish ancestry (2024 American Community Survey). A concentration measure: Swedish residents as a percentage of total population. This list covers the 44 counties in Idaho that qualify, ranked against each other statewide. The median across all 44 is 2.1%. Biggest climber in the top 100 since 2020: Custer County, ID, up 29 places to #3.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSWEDISH SHAREVS 2010

01Bear Lake County, IDID6,7275.9%+1.5 pts

02Caribou County, IDID7,2525.3%−1.9 pts

03▲29Custer County, IDID4,6365.3%+0.6 pts

04▲3Lemhi County, IDID8,4744.2%−2.0 pts

05▲25Washington County, IDID11,5833.6%+0.4 pts

06▲12Camas County, IDID1,3163.4%−3.9 pts

07▲2Latah County, IDID41,8423.3%−2.2 pts

08▼3Bonneville County, IDID135,7713.3%−0.6 pts

09▲1Madison County, IDID55,1723.1%−1.1 pts

10▲3Bannock County, IDID91,5913.1%−0.7 pts

11Idaho County, IDID17,8743.1%−1.0 pts

12Shoshone County, IDID14,1302.8%−1.6 pts

13▲2Oneida County, IDID5,0852.8%−3.0 pts

14Bonner County, IDID54,4202.8%−1.3 pts

15▲10Franklin County, IDID15,8892.6%−4.6 pts

16▲7Ada County, IDID546,1412.6%−0.4 pts

17▼11Cassia County, IDID26,3972.5%−2.0 pts

18▼15Fremont County, IDID14,2082.5%−2.0 pts

19▲7Bingham County, IDID51,1532.4%−1.9 pts

20▲4Kootenai County, IDID191,8642.3%−1.9 pts

21▲21Power County, IDID8,2462.2%−0.7 pts

22▼1Benewah County, IDID10,5082.1%−1.4 pts

23▲5Twin Falls County, IDID97,5392.0%−0.9 pts

24▼16Jefferson County, IDID35,2972.0%−2.9 pts

25▼8Nez Perce County, IDID42,9052.0%−2.0 pts

26▲8Valley County, IDID12,8311.9%−0.4 pts

27▲11Gem County, IDID21,7731.9%−0.3 pts

28▼8Lewis County, IDID3,7041.8%−0.4 pts

29▼7Owyhee County, IDID12,6611.8%−0.2 pts

30▼26Teton County, IDID13,2541.8%−1.1 pts

31▲12Lincoln County, IDID5,6031.6%−1.7 pts

32▼3Elmore County, IDID29,4651.6%−0.1 pts

33▼17Clearwater County, IDID9,1181.6%−1.0 pts

34▼7Canyon County, IDID275,1231.6%−0.8 pts

35▼4Butte County, IDID2,7831.5%−1.9 pts

36▲1Blaine County, IDID25,5171.5%−2.0 pts

37▼2Adams County, IDID5,0131.4%−2.0 pts

38▼5Minidoka County, IDID22,9111.2%−0.8 pts

39▲1Clark County, IDID7831.2%+0.8 pts

40▼21Boundary County, IDID13,9971.2%−2.1 pts

41▲3Gooding County, IDID16,4461.2%−0.9 pts

42▼6Jerome County, IDID26,3621.1%−0.2 pts

43▼2Boise County, IDID8,5451.1%−2.6 pts

44▼5Payette County, IDID27,8240.8%−1.9 pts

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