RANKING · 2024 ACS · 38 SHOWN OF 38

Largest Romanian population, Iowa counties

Iowa counties ranked by the number of residents who are Romanian ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 38 counties in Iowa that qualify, ranked against each other statewide. The median across all 38 is 11. Biggest climber in the top 100 since 2020: Boone County, IA, up 24 places to #10.

Romanian Americans: full group profile →

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 POPULATIONVS 2010

01Polk County, IAIA516,546240+19%

02Dallas County, IAIA118,457191+730%

03▲17Story County, IAIA101,291125+221%

04▲5Scott County, IAIA175,259123+56%

05▲12Johnson County, IAIA160,04498−56%

06▼1Mitchell County, IAIA10,65088–

07▲7Dubuque County, IAIA99,38182−45%

08▲2Pottawattamie County, IAIA92,99645+181%

09▲10Woodbury County, IAIA106,64940−37%

10▲24Boone County, IAIA26,79939–

11▲4Linn County, IAIA232,02830−73%

12▲1Jefferson County, IAIA15,29128−15%

13▼1Des Moines County, IAIA38,07725–

14▼11Warren County, IAIA57,33125+400%

15▼8Clinton County, IAIA46,00222−65%

16▼10Black Hawk County, IAIA131,53220−57%

17▼9Muscatine County, IAIA41,85318+6%

18Washington County, IAIA22,66713–

19▲8Jasper County, IAIA38,15311−52%

20Wayne County, IAIA6,7387+133%

21▲19Winnebago County, IAIA10,2517–

22▲13Worth County, IAIA7,3387−13%

23▲3Emmet County, IAIA9,1076–

24Butler County, IAIA14,0495−71%

25Humboldt County, IAIA9,4095−44%

26▼1Decatur County, IAIA7,6554–

27Fayette County, IAIA19,0474–

28▲1Mahaska County, IAIA21,8804–

29Webster County, IAIA36,8384–

30▲3Benton County, IAIA26,0043–

31Franklin County, IAIA9,8683–

32Dickinson County, IAIA18,0772–

33Hancock County, IAIA10,5282–

34▼23Harrison County, IAIA14,6232−50%

35Guthrie County, IAIA10,7821−75%

36▼8Lee County, IAIA32,3061−95%

37Monona County, IAIA8,5391−92%

38▼8Plymouth County, IAIA25,6971–

SHOWING 1–38 OF 38

Download CSV (full list, 38 rows)

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