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 (2023 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.

IowaAll states All rankings

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 2000

01Mitchell County, IAIA10,6500.8%–

02Jefferson County, IAIA15,2910.2%–

03Dallas County, IAIA118,4570.2%–

04Boone County, IAIA26,7990.1%–

05Story County, IAIA101,2910.1%–

06Wayne County, IAIA6,7380.1%–

07Worth County, IAIA7,3380.1%–

08Dubuque County, IAIA99,3810.1%–

09Scott County, IAIA175,2590.1%–

10Winnebago County, IAIA10,2510.1%–

11Des Moines County, IAIA38,0770.1%–

12Emmet County, IAIA9,1070.1%–

13Johnson County, IAIA160,0440.1%–

14Washington County, IAIA22,6670.1%–

15Humboldt County, IAIA9,4090.1%–

16Decatur County, IAIA7,6550.1%–

17Pottawattamie County, IAIA92,9960.0%–

18Polk County, IAIA516,5460.0%–

19Clinton County, IAIA46,0020.0%–

20Warren County, IAIA57,3310.0%–

21Muscatine County, IAIA41,8530.0%–

22Woodbury County, IAIA106,6490.0%–

23Butler County, IAIA14,0490.0%–

24Franklin County, IAIA9,8680.0%–

25Jasper County, IAIA38,1530.0%–

26Fayette County, IAIA19,0470.0%–

27Hancock County, IAIA10,5280.0%–

28Mahaska County, IAIA21,8800.0%–

29Black Hawk County, IAIA131,5320.0%–

30Harrison County, IAIA14,6230.0%–

31Linn County, IAIA232,0280.0%–

32Monona County, IAIA8,5390.0%–

33Benton County, IAIA26,0040.0%–

34Dickinson County, IAIA18,0770.0%–

35Webster County, IAIA36,8380.0%–

36Guthrie County, IAIA10,7820.0%–

37Plymouth County, IAIA25,6970.0%–

38Lee County, IAIA32,3060.0%–

SHOWING 1–38 OF 38

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