RANKING · 2024 ACS · 26 SHOWN OF 26

Highest Romanian population share, Idaho counties

Idaho counties ranked by the share of all residents who are Romanian ancestry (2024 American Community Survey). A concentration measure: Romanian residents as a percentage of total population. This list covers the 26 counties in Idaho that qualify, ranked against each other statewide. The median across all 26 is 0.1%. Biggest climber in the top 100 since 2020: Caribou County, ID, up 18 places to #1.

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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

RANKPLACESTATEPOPROMANIAN SHAREVS 2010

01▲18Caribou County, IDID7,2521.8%–

02Butte County, IDID2,7830.7%–

03Clark County, IDID7830.5%–

04▲2Bonner County, IDID54,4200.4%+0.3 pts

05▲17Boise County, IDID8,5450.3%–

06▼1Kootenai County, IDID191,8640.2%+0.2 pts

07▼5Lincoln County, IDID5,6030.2%–

08▲12Latah County, IDID41,8420.2%0.0 pts

09▼2Ada County, IDID546,1410.1%0.0 pts

10▲4Nez Perce County, IDID42,9050.1%+0.1 pts

11▲5Idaho County, IDID17,8740.1%–

12▼8Teton County, IDID13,2540.1%–

13Clearwater County, IDID9,1180.1%–

14▼11Bear Lake County, IDID6,7270.1%–

15▼4Canyon County, IDID275,1230.1%−0.1 pts

16▼1Washington County, IDID11,5830.1%−0.3 pts

17Blaine County, IDID25,5170.1%+0.1 pts

18▼6Bonneville County, IDID135,7710.1%0.0 pts

19▼11Bannock County, IDID91,5910.1%0.0 pts

20Boundary County, IDID13,9970.1%–

21▼4Elmore County, IDID29,4650.0%–

22Madison County, IDID55,1720.0%0.0 pts

23Gem County, IDID21,7730.0%–

24Bingham County, IDID51,1530.0%−0.1 pts

25▼16Twin Falls County, IDID97,5390.0%0.0 pts

26Gooding County, IDID16,4460.0%0.0 pts

SHOWING 1–26 OF 26

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