RANKING · 2024 ACS · 31 SHOWN OF 31

Highest Puerto Rican population share, Idaho counties

Idaho counties ranked by the share of all residents who are Puerto Rican origin (2024 American Community Survey). A concentration measure: Puerto Rican residents as a percentage of total population. This list covers the 31 counties in Idaho that qualify, ranked against each other statewide. The median across all 31 is 0.3%. Biggest climber in the top 100 since 2020: Cassia County, ID, up 19 places to #7.

Puerto Rican Americans: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPPUERTO RICAN SHAREVS 2010

01Valley County, IDID12,8311.9%+1.9 pts

02Lemhi County, IDID8,4741.0%–

03▼2Elmore County, IDID29,4650.7%+0.2 pts

04▲11Fremont County, IDID14,2080.6%–

05Washington County, IDID11,5830.5%+0.4 pts

06▼3Owyhee County, IDID12,6610.5%–

07▲19Cassia County, IDID26,3970.4%+0.4 pts

08▲1Bannock County, IDID91,5910.4%+0.2 pts

09▲2Ada County, IDID546,1410.4%+0.3 pts

10▲10Teton County, IDID13,2540.4%+0.3 pts

11▲7Minidoka County, IDID22,9110.4%+0.1 pts

12▼4Canyon County, IDID275,1230.4%−0.1 pts

13▲8Bonneville County, IDID135,7710.4%+0.3 pts

14▼8Blaine County, IDID25,5170.3%–

15▼2Nez Perce County, IDID42,9050.3%−0.1 pts

16▼6Kootenai County, IDID191,8640.3%+0.3 pts

17▼1Madison County, IDID55,1720.3%−0.2 pts

18Jefferson County, IDID35,2970.2%+0.2 pts

19▼12Lincoln County, IDID5,6030.2%–

20▲5Bonner County, IDID54,4200.2%0.0 pts

21▲1Bear Lake County, IDID6,7270.2%–

22▼10Boundary County, IDID13,9970.1%–

23Butte County, IDID2,7830.1%–

24Boise County, IDID8,5450.1%−0.5 pts

25▼1Latah County, IDID41,8420.1%0.0 pts

26▼3Twin Falls County, IDID97,5390.1%0.0 pts

27▼22Gem County, IDID21,7730.1%−0.1 pts

28Lewis County, IDID3,7040.1%−0.1 pts

29▼10Benewah County, IDID10,5080.0%0.0 pts

30▼2Bingham County, IDID51,1530.0%−0.1 pts

31Payette County, IDID27,8240.0%−0.3 pts

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