RANKING · 2024 ACS · 33 SHOWN OF 33

Highest South American population share, Idaho counties

Idaho counties ranked by the share of all residents who are South American origin (2024 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 33 counties in Idaho that qualify, ranked against each other statewide. The median across all 33 is 0.4%. Biggest climber in the top 100 since 2020: Fremont County, ID, up 16 places to #11.

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSOUTH AMERICAN SHAREVS 2010

01▲7Gooding County, IDID16,4462.0%+0.2 pts

02▲2Jerome County, IDID26,3621.9%+1.2 pts

03Blaine County, IDID25,5171.6%+0.3 pts

04▼2Franklin County, IDID15,8891.0%+0.3 pts

05▲2Madison County, IDID55,1721.0%+0.6 pts

06▲14Jefferson County, IDID35,2971.0%+1.0 pts

07▼2Gem County, IDID21,7730.9%+0.8 pts

08▲13Twin Falls County, IDID97,5390.8%+0.6 pts

09▲3Canyon County, IDID275,1230.8%+0.6 pts

10▲1Ada County, IDID546,1410.7%+0.4 pts

11▲16Fremont County, IDID14,2080.6%+0.5 pts

12▼11Teton County, IDID13,2540.6%+0.3 pts

13▲1Elmore County, IDID29,4650.6%+0.5 pts

14Lincoln County, IDID5,6030.6%+0.3 pts

15Owyhee County, IDID12,6610.4%–

16▼3Bonner County, IDID54,4200.4%–

17▲11Lewis County, IDID3,7040.4%+0.2 pts

18▲5Bannock County, IDID91,5910.3%+0.2 pts

19▼4Latah County, IDID41,8420.3%0.0 pts

20▲4Kootenai County, IDID191,8640.2%+0.1 pts

21▼4Bonneville County, IDID135,7710.2%0.0 pts

22▼6Lemhi County, IDID8,4740.2%–

23▼14Bingham County, IDID51,1530.2%−0.1 pts

24Shoshone County, IDID14,1300.2%+0.1 pts

25Caribou County, IDID7,2520.1%–

26▼4Bear Lake County, IDID6,7270.1%0.0 pts

27▼1Cassia County, IDID26,3970.1%+0.1 pts

28Nez Perce County, IDID42,9050.1%0.0 pts

29▼19Clearwater County, IDID9,1180.1%–

30▼11Minidoka County, IDID22,9110.0%–

31Butte County, IDID2,7830.0%−0.5 pts

32Payette County, IDID27,8240.0%−0.1 pts

33▼15Boundary County, IDID13,9970.0%−0.1 pts

SHOWING 1–33 OF 33

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