RANKING · 2024 ACS · 32 SHOWN OF 32

Highest Laotian population share, Iowa counties

Iowa counties ranked by the share of all residents who are Laotian (2024 American Community Survey). A concentration measure: Laotian residents as a percentage of total population. This list covers the 32 counties in Iowa that qualify, ranked against each other statewide. The median across all 32 is 0.1%. Biggest climber in the top 100 since 2020: Dallas County, IA, up 18 places to #7.

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Highest Laotian population share by state

RANKPLACESTATEPOPLAOTIAN SHAREVS 2020

01Buena Vista County, IAIA20,4494.1%−1.0 pts

02▲1Hamilton County, IAIA14,9441.8%+1.1 pts

03Floyd County, IAIA14,9010.7%–

04▲2Polk County, IAIA516,5460.5%+0.2 pts

05▼1Wapello County, IAIA35,2100.5%0.0 pts

06▲1Woodbury County, IAIA106,6490.4%0.0 pts

07▲18Dallas County, IAIA118,4570.3%+0.3 pts

08Clarke County, IAIA9,5740.3%–

09Osceola County, IAIA5,9800.3%0.0 pts

10O'Brien County, IAIA14,2200.3%–

11▼1Mahaska County, IAIA21,8800.3%0.0 pts

12Cerro Gordo County, IAIA42,3720.2%–

13▼8Clay County, IAIA16,2020.2%−0.2 pts

14▲15Marion County, IAIA34,1920.2%+0.1 pts

15Fremont County, IAIA6,5220.2%–

16▲7Clinton County, IAIA46,0020.1%+0.1 pts

17▼5Linn County, IAIA232,0280.1%0.0 pts

18▲8Sac County, IAIA9,5250.1%+0.1 pts

19▼3Johnson County, IAIA160,0440.1%0.0 pts

20Plymouth County, IAIA25,6970.1%–

21▼7Black Hawk County, IAIA131,5320.1%0.0 pts

22▼9Story County, IAIA101,2910.1%−0.1 pts

23Madison County, IAIA17,2700.1%–

24Lyon County, IAIA12,3540.0%0.0 pts

25Boone County, IAIA26,7990.0%–

26Pottawattamie County, IAIA92,9960.0%–

27Calhoun County, IAIA9,5620.0%–

28▼1Scott County, IAIA175,2590.0%0.0 pts

29▼27Henry County, IAIA19,3490.0%−1.3 pts

30▼8Marshall County, IAIA39,8900.0%0.0 pts

31Benton County, IAIA26,0040.0%0.0 pts

32▼4Mitchell County, IAIA10,6500.0%0.0 pts

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