RANKING · 2020 CENSUS · 23 SHOWN OF 23

Highest Romanian population share, Idaho counties · 2020

Idaho counties ranked by the share of all residents who are Romanian ancestry (2020 American Community Survey). A concentration measure: Romanian residents as a percentage of total population. This list covers the 23 counties in Idaho that qualify, ranked against each other statewide.

Romanian 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

RANKPLACESTATEPOPROMANIAN SHAREVS 2010

01Custer County, IDID4,6360.7%–

02Lincoln County, IDID5,6030.5%–

03Bear Lake County, IDID6,7270.4%–

04Teton County, IDID13,2540.3%–

05Kootenai County, IDID191,8640.2%+0.2 pts

06Bonner County, IDID54,4200.2%+0.1 pts

07Ada County, IDID546,1410.2%+0.0 pts

08Bannock County, IDID91,5910.1%+0.1 pts

09Twin Falls County, IDID97,5390.1%+0.1 pts

10Franklin County, IDID15,8890.1%–

11Canyon County, IDID275,1230.1%−0.1 pts

12Bonneville County, IDID135,7710.1%+0.0 pts

13Fremont County, IDID14,2080.1%–

14Nez Perce County, IDID42,9050.1%−0.0 pts

15Washington County, IDID11,5830.1%−0.3 pts

16Idaho County, IDID17,8740.1%–

17Elmore County, IDID29,4650.0%–

18Lemhi County, IDID8,4740.0%–

19Caribou County, IDID7,2520.0%–

20Latah County, IDID41,8420.0%−0.1 pts

21Lewis County, IDID3,7040.0%–

22Boise County, IDID8,5450.0%–

23Payette County, IDID27,8240.0%−0.0 pts

SHOWING 1–23 OF 23

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS