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 (2023 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.

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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 2000

01Hamlin County, SDSD6,90014.5%–

02Clark County, SDSD4,0316.2%–

03Kingsbury County, SDSD5,2841.6%–

04Codington County, SDSD29,5621.5%–

05Lawrence County, SDSD29,4591.3%–

06Custer County, SDSD9,4311.3%–

07Harding County, SDSD1,3311.0%–

08Faulk County, SDSD2,1781.0%–

09Brown County, SDSD37,5610.7%–

10Hughes County, SDSD17,5700.6%–

11Roberts County, SDSD10,2550.5%–

12Yankton County, SDSD23,6350.5%–

13Deuel County, SDSD4,4080.5%–

14Beadle County, SDSD19,6240.5%–

15Tripp County, SDSD5,7080.5%–

16Pennington County, SDSD116,7920.4%–

17Day County, SDSD5,4840.4%–

18Butte County, SDSD10,8560.3%–

19McPherson County, SDSD2,3470.3%–

20Brookings County, SDSD37,6350.3%–

21Brule County, SDSD5,2780.3%–

22Meade County, SDSD30,7110.3%–

23Moody County, SDSD6,6320.3%–

24Minnehaha County, SDSD212,6910.3%–

25Clay County, SDSD15,0310.3%–

26Miner County, SDSD2,2810.3%–

27Edmunds County, SDSD4,0220.2%–

28Jackson County, SDSD2,6660.2%–

29Campbell County, SDSD1,3770.2%–

30Perkins County, SDSD2,8530.2%–

31Walworth County, SDSD5,2170.2%–

32Bon Homme County, SDSD7,2440.2%–

33Charles Mix County, SDSD9,3030.1%–

34Grant County, SDSD7,5340.1%–

35Marshall County, SDSD4,4260.1%–

36Sully County, SDSD1,4790.1%–

37Gregory County, SDSD4,0370.1%–

38Davison County, SDSD20,0690.1%–

39Union County, SDSD17,4020.1%–

40Lake County, SDSD10,9930.0%–

41Lincoln County, SDSD77,1450.0%–

42Corson County, SDSD3,7810.0%–

43Turner County, SDSD9,3140.0%–

SHOWING 1–43 OF 43

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