RANKING · 2020 CENSUS · 23 SHOWN OF 23

Largest Romanian population, Idaho counties · 2020

Idaho counties ranked by the number of residents who are Romanian ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. 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 POPULATIONVS 2010

01Ada County, IDID546,141841+58%

02Kootenai County, IDID191,864363+348%

03Canyon County, IDID275,123219−46%

04Bannock County, IDID91,591114+128%

05Twin Falls County, IDID97,539103+390%

06Bonneville County, IDID135,771100+27%

07Bonner County, IDID54,42094+161%

08Teton County, IDID13,25437–

09Nez Perce County, IDID42,90532+3%

10Custer County, IDID4,63629–

11Bear Lake County, IDID6,72726–

12Lincoln County, IDID5,60326–

13Franklin County, IDID15,88914–

14Idaho County, IDID17,87412–

15Elmore County, IDID29,46512–

16Fremont County, IDID14,20811–

17Latah County, IDID41,84211−76%

18Washington County, IDID11,5838−80%

19Lemhi County, IDID8,4743–

20Caribou County, IDID7,2522–

21Payette County, IDID27,8242−33%

22Boise County, IDID8,5451–

23Lewis County, IDID3,7041–

SHOWING 1–23 OF 23

Download CSV (full list, 23 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS