RANKING · 2020 CENSUS · 36 SHOWN OF 36

Highest Thai population share, Iowa counties · 2020

Iowa counties ranked by the share of all residents who are Thai (2020 American Community Survey). A concentration measure: Thai residents as a percentage of total population. This list covers the 36 counties in Iowa that qualify, ranked against each other statewide.

Thai Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest Chinese population Highest Chinese population share Largest Taiwanese population Highest Taiwanese population share Largest Hmong population Highest Hmong population share

RANKPLACESTATEPOPTHAI SHAREVS –

01Buena Vista County, IAIA20,4490.7%–

02Decatur County, IAIA7,6550.3%–

03Polk County, IAIA516,5460.2%–

04Guthrie County, IAIA10,7820.2%–

05Black Hawk County, IAIA131,5320.2%–

06Kossuth County, IAIA14,3220.2%–

07Page County, IAIA14,8560.2%–

08Johnson County, IAIA160,0440.1%–

09Mahaska County, IAIA21,8800.1%–

10Henry County, IAIA19,3490.1%–

11Pottawattamie County, IAIA92,9960.1%–

12Story County, IAIA101,2910.1%–

13Linn County, IAIA232,0280.1%–

14Scott County, IAIA175,2590.1%–

15Hancock County, IAIA10,5280.1%–

16Mitchell County, IAIA10,6500.1%–

17Calhoun County, IAIA9,5620.1%–

18Warren County, IAIA57,3310.1%–

19Lyon County, IAIA12,3540.1%–

20Fayette County, IAIA19,0470.1%–

21Clinton County, IAIA46,0020.0%–

22Harrison County, IAIA14,6230.0%–

23Dubuque County, IAIA99,3810.0%–

24Mills County, IAIA14,7930.0%–

25Dallas County, IAIA118,4570.0%–

26Washington County, IAIA22,6670.0%–

27Muscatine County, IAIA41,8530.0%–

28Bremer County, IAIA25,2960.0%–

29Woodbury County, IAIA106,6490.0%–

30Des Moines County, IAIA38,0770.0%–

31Delaware County, IAIA17,6740.0%–

32Winneshiek County, IAIA19,7330.0%–

33Jasper County, IAIA38,1530.0%–

34Plymouth County, IAIA25,6970.0%–

35Benton County, IAIA26,0040.0%–

36Cerro Gordo County, IAIA42,3720.0%–

SHOWING 1–36 OF 36

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS