RANKING · 2010 CENSUS · 18 SHOWN OF 18

Highest Romanian population share, Idaho counties · 2010

Idaho counties ranked by the share of all residents who are Romanian ancestry (2023 American Community Survey). A concentration measure: Romanian residents as a percentage of total population. This list covers the 18 counties in Idaho that qualify, ranked against each other statewide.

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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 2000

01Washington County, IDID11,5830.4%–

02Canyon County, IDID275,1230.2%–

03Benewah County, IDID10,5080.2%–

04Ada County, IDID546,1410.1%–

05Latah County, IDID41,8420.1%–

06Jerome County, IDID26,3620.1%–

07Bonner County, IDID54,4200.1%–

08Bingham County, IDID51,1530.1%–

09Shoshone County, IDID14,1300.1%–

10Nez Perce County, IDID42,9050.1%–

11Bonneville County, IDID135,7710.1%–

12Bannock County, IDID91,5910.1%–

13Kootenai County, IDID191,8640.1%–

14Gooding County, IDID16,4460.0%–

15Madison County, IDID55,1720.0%–

16Twin Falls County, IDID97,5390.0%–

17Blaine County, IDID25,5170.0%–

18Payette County, IDID27,8240.0%–

SHOWING 1–18 OF 18

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES