RANKING · 2020 CENSUS · 43 SHOWN OF 43

Largest Finnish population, South Dakota counties · 2020

South Dakota counties ranked by the number of residents who are Finnish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 43 counties in South Dakota that qualify, ranked against each other statewide.

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 POPULATIONVS 2010

01Hamlin County, SDSD6,900887+78%

02Minnehaha County, SDSD212,691552+97%

03Pennington County, SDSD116,792472−16%

04Codington County, SDSD29,562416+131%

05Lawrence County, SDSD29,459348+24%

06Brown County, SDSD37,561287−43%

07Clark County, SDSD4,031230+411%

08Brookings County, SDSD37,635121−38%

09Custer County, SDSD9,431115+945%

10Hughes County, SDSD17,570114+2%

11Yankton County, SDSD23,635111+88%

12Beadle County, SDSD19,62486+274%

13Meade County, SDSD30,71184−52%

14Kingsbury County, SDSD5,28481−9%

15Roberts County, SDSD10,25553+29%

16Clay County, SDSD15,03139+50%

17Butte County, SDSD10,85636−83%

18Tripp County, SDSD5,70825–

19Day County, SDSD5,48422−52%

20Faulk County, SDSD2,17822+5%

21Deuel County, SDSD4,40821−53%

22Moody County, SDSD6,63219+171%

23Brule County, SDSD5,27818–

24Lincoln County, SDSD77,14515−87%

25Charles Mix County, SDSD9,30313–

26Davison County, SDSD20,06912−82%

27Harding County, SDSD1,33112−75%

28Bon Homme County, SDSD7,24411−8%

29Edmunds County, SDSD4,0229–

30Walworth County, SDSD5,2179+350%

31McPherson County, SDSD2,3478–

32Union County, SDSD17,4028+0%

33Jackson County, SDSD2,6667−74%

34Grant County, SDSD7,5346+20%

35Miner County, SDSD2,2816−81%

36Perkins County, SDSD2,8536−54%

37Lake County, SDSD10,9934−67%

38Marshall County, SDSD4,4264+0%

39Campbell County, SDSD1,3773−40%

40Gregory County, SDSD4,0373–

41Sully County, SDSD1,4791–

42Turner County, SDSD9,3141−96%

43Corson County, SDSD3,7811−88%

SHOWING 1–43 OF 43

Download CSV (full list, 43 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS