RANKING · 2024 ACS · 38 SHOWN OF 38

Highest Romanian population share, Iowa counties

Iowa 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 38 counties in Iowa that qualify, ranked against each other statewide. The median across all 38 is 0.0%. Biggest climber in the top 100 since 2020: Boone County, IA, up 36 places to #4.

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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

01Mitchell County, IAIA10,6500.8%–

02▲3Jefferson County, IAIA15,2910.2%0.0 pts

03▲3Dallas County, IAIA118,4570.2%+0.1 pts

04▲36Boone County, IAIA26,7990.1%–

05▲24Story County, IAIA101,2910.1%+0.1 pts

06Wayne County, IAIA6,7380.1%+0.1 pts

07▲13Worth County, IAIA7,3380.1%0.0 pts

08▲15Dubuque County, IAIA99,3810.1%−0.1 pts

09▲16Scott County, IAIA175,2590.1%0.0 pts

10▲20Winnebago County, IAIA10,2510.1%–

11▲2Des Moines County, IAIA38,0770.1%–

12▲4Emmet County, IAIA9,1070.1%–

13▲20Johnson County, IAIA160,0440.1%−0.1 pts

14Washington County, IAIA22,6670.1%–

15Humboldt County, IAIA9,4090.1%0.0 pts

16▼6Decatur County, IAIA7,6550.1%–

17▲2Pottawattamie County, IAIA92,9960.0%0.0 pts

18▲3Polk County, IAIA516,5460.0%0.0 pts

19▼12Clinton County, IAIA46,0020.0%−0.1 pts

20▼16Warren County, IAIA57,3310.0%0.0 pts

21▼12Muscatine County, IAIA41,8530.0%0.0 pts

22▲6Woodbury County, IAIA106,6490.0%0.0 pts

23Butler County, IAIA14,0490.0%−0.1 pts

24Franklin County, IAIA9,8680.0%–

25▲7Jasper County, IAIA38,1530.0%0.0 pts

26Fayette County, IAIA19,0470.0%–

27Hancock County, IAIA10,5280.0%–

28▼2Mahaska County, IAIA21,8800.0%–

29▼11Black Hawk County, IAIA131,5320.0%0.0 pts

30▼27Harrison County, IAIA14,6230.0%0.0 pts

31▲7Linn County, IAIA232,0280.0%0.0 pts

32Monona County, IAIA8,5390.0%−0.1 pts

33▲6Benton County, IAIA26,0040.0%–

34Dickinson County, IAIA18,0770.0%–

35Webster County, IAIA36,8380.0%–

36Guthrie County, IAIA10,7820.0%0.0 pts

37▼10Plymouth County, IAIA25,6970.0%–

38▼7Lee County, IAIA32,3060.0%0.0 pts

SHOWING 1–38 OF 38

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