RANKING · 2024 ACS · 43 SHOWN OF 43

Highest Finnish population share, South Dakota counties

South Dakota counties ranked by the share of all residents who are Finnish ancestry (2024 American Community Survey). A concentration measure: Finnish residents as a percentage of total population. This list covers the 43 counties in South Dakota that qualify, ranked against each other statewide. The median across all 43 is 0.3%. Biggest climber in the top 100 since 2020: Lake County, SD, up 28 places to #12.

Finnish Americans: full group profile →

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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

RANKPLACESTATEPOPFINNISH SHAREVS 2010

01Hamlin County, SDSD6,9008.8%+0.2 pts

02▲1Kingsbury County, SDSD5,2842.3%+0.5 pts

03▲3Custer County, SDSD9,4311.2%+1.1 pts

04▲14Butte County, SDSD10,8561.2%−1.0 pts

05▲2Harding County, SDSD1,3311.1%−2.7 pts

06▲4Hughes County, SDSD17,5700.9%+0.2 pts

07▼2Lawrence County, SDSD29,4590.8%−0.4 pts

08▲17Clay County, SDSD15,0310.7%+0.6 pts

09▲19Jackson County, SDSD2,6660.7%−0.2 pts

10▼6Codington County, SDSD29,5620.7%0.0 pts

11▲2Deuel County, SDSD4,4080.6%−0.5 pts

12▲28Lake County, SDSD10,9930.5%+0.4 pts

13▼11Clark County, SDSD4,0310.5%−0.7 pts

14▼5Brown County, SDSD37,5610.5%−0.9 pts

15▲12Edmunds County, SDSD4,0220.4%–

16▲4Brookings County, SDSD37,6350.4%−0.3 pts

17▼1Pennington County, SDSD116,7920.4%−0.2 pts

18▲4Meade County, SDSD30,7110.4%−0.3 pts

19Fall River County, SDSD7,4670.3%−0.1 pts

20▲4Minnehaha County, SDSD212,6910.3%+0.2 pts

21▲17Davison County, SDSD20,0690.3%0.0 pts

22▲12Grant County, SDSD7,5340.3%+0.2 pts

23▲18Lincoln County, SDSD77,1450.3%0.0 pts

24Haakon County, SDSD1,8020.2%–

25▼8Day County, SDSD5,4840.2%−0.6 pts

26▼3Moody County, SDSD6,6320.2%+0.1 pts

27▼8McPherson County, SDSD2,3470.2%–

28▼17Roberts County, SDSD10,2550.2%−0.2 pts

29▼3Miner County, SDSD2,2810.2%−1.1 pts

30▲13Turner County, SDSD9,3140.2%−0.1 pts

31▲4Marshall County, SDSD4,4260.1%+0.1 pts

32Hutchinson County, SDSD7,4130.1%+0.1 pts

33▼2Walworth County, SDSD5,2170.1%+0.1 pts

34▼22Yankton County, SDSD23,6350.1%−0.2 pts

35Jerauld County, SDSD1,6540.1%–

36▲6Corson County, SDSD3,7810.1%−0.1 pts

37Hanson County, SDSD3,4560.1%–

38▼6Bon Homme County, SDSD7,2440.1%−0.1 pts

39McCook County, SDSD5,9640.1%−0.3 pts

40▼19Brule County, SDSD5,2780.0%–

41Douglas County, SDSD2,8880.0%–

42Spink County, SDSD6,1550.0%−0.2 pts

43▼29Beadle County, SDSD19,6240.0%−0.1 pts

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