RANKING · 2020 CENSUS · 43 SHOWN OF 43

Highest Finnish population share, South Dakota counties · 2020

South Dakota counties ranked by the share of all residents who are Finnish ancestry (2020 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%.

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, SDSD6,90014.5%+5.9 pts

02Clark County, SDSD4,0316.2%+5.0 pts

03Kingsbury County, SDSD5,2841.6%−0.1 pts

04Codington County, SDSD29,5621.5%+0.8 pts

05Lawrence County, SDSD29,4591.3%+0.2 pts

06Custer County, SDSD9,4311.3%+1.2 pts

07Harding County, SDSD1,3311.0%−2.8 pts

08Faulk County, SDSD2,1781.0%+0.1 pts

09Brown County, SDSD37,5610.7%−0.7 pts

10Hughes County, SDSD17,5700.6%0.0 pts

11Roberts County, SDSD10,2550.5%+0.1 pts

12Yankton County, SDSD23,6350.5%+0.2 pts

13Deuel County, SDSD4,4080.5%−0.5 pts

14Beadle County, SDSD19,6240.5%+0.3 pts

15Tripp County, SDSD5,7080.5%–

16Pennington County, SDSD116,7920.4%−0.2 pts

17Day County, SDSD5,4840.4%−0.4 pts

18Butte County, SDSD10,8560.3%−1.9 pts

19McPherson County, SDSD2,3470.3%–

20Brookings County, SDSD37,6350.3%−0.3 pts

21Brule County, SDSD5,2780.3%–

22Meade County, SDSD30,7110.3%−0.4 pts

23Moody County, SDSD6,6320.3%+0.2 pts

24Minnehaha County, SDSD212,6910.3%+0.1 pts

25Clay County, SDSD15,0310.3%+0.1 pts

26Miner County, SDSD2,2810.3%−1.0 pts

27Edmunds County, SDSD4,0220.2%–

28Jackson County, SDSD2,6660.2%−0.7 pts

29Campbell County, SDSD1,3770.2%−0.1 pts

30Perkins County, SDSD2,8530.2%−0.2 pts

31Walworth County, SDSD5,2170.2%+0.1 pts

32Bon Homme County, SDSD7,2440.2%0.0 pts

33Charles Mix County, SDSD9,3030.1%–

34Grant County, SDSD7,5340.1%0.0 pts

35Marshall County, SDSD4,4260.1%0.0 pts

36Sully County, SDSD1,4790.1%–

37Gregory County, SDSD4,0370.1%–

38Davison County, SDSD20,0690.1%−0.3 pts

39Union County, SDSD17,4020.1%0.0 pts

40Lake County, SDSD10,9930.0%−0.1 pts

41Lincoln County, SDSD77,1450.0%−0.3 pts

42Corson County, SDSD3,7810.0%−0.2 pts

43Turner County, SDSD9,3140.0%−0.3 pts

SHOWING 1–43 OF 43

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS