RANKING · 2024 ACS · 41 SHOWN OF 41

Highest Vietnamese population share, Iowa counties

Iowa counties ranked by the share of all residents who are Vietnamese (2023 American Community Survey). A concentration measure: Vietnamese residents as a percentage of total population. This list covers the 41 counties in Iowa that qualify, ranked against each other statewide.

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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

RANKPLACESTATEPOPVIETNAMESE SHAREVS 2000

01Jefferson County, IAIA15,2912.8%–

02Woodbury County, IAIA106,6490.9%–

03Hancock County, IAIA10,5280.7%–

04Johnson County, IAIA160,0440.7%–

05Polk County, IAIA516,5460.6%–

06Marshall County, IAIA39,8900.5%–

07Dallas County, IAIA118,4570.5%–

08Page County, IAIA14,8560.5%–

09Scott County, IAIA175,2590.4%–

10Henry County, IAIA19,3490.4%–

11Story County, IAIA101,2910.3%–

12Hardin County, IAIA16,4550.3%–

13Black Hawk County, IAIA131,5320.3%–

14Cerro Gordo County, IAIA42,3720.2%–

15Warren County, IAIA57,3310.2%–

16Linn County, IAIA232,0280.2%–

17Pottawattamie County, IAIA92,9960.1%–

18Jasper County, IAIA38,1530.1%–

19Poweshiek County, IAIA18,3680.1%–

20Kossuth County, IAIA14,3220.1%–

21Boone County, IAIA26,7990.1%–

22Dubuque County, IAIA99,3810.1%–

23Plymouth County, IAIA25,6970.1%–

24Jackson County, IAIA19,2880.1%–

25Sioux County, IAIA36,7740.1%–

26Winneshiek County, IAIA19,7330.1%–

27Palo Alto County, IAIA8,8990.1%–

28Lee County, IAIA32,3060.1%–

29Emmet County, IAIA9,1070.1%–

30Floyd County, IAIA14,9010.1%–

31Keokuk County, IAIA9,7970.1%–

32Muscatine County, IAIA41,8530.0%–

33Benton County, IAIA26,0040.0%–

34Allamakee County, IAIA14,2380.0%–

35Calhoun County, IAIA9,5620.0%–

36Mitchell County, IAIA10,6500.0%–

37Webster County, IAIA36,8380.0%–

38Bremer County, IAIA25,2960.0%–

39Louisa County, IAIA10,4160.0%–

40Osceola County, IAIA5,9800.0%–

41Grundy County, IAIA12,3610.0%–

SHOWING 1–41 OF 41

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