RANKING · 2020 CENSUS · 19 SHOWN OF 19

Largest Welsh population, South Dakota cities · 2020

South Dakota cities ranked by the number of residents who are Welsh 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 19 cities in South Dakota that qualify, ranked against each other statewide. The median across all 19 is 88.

Welsh Americans: full group profile →

South DakotaAll statesPop > 5KAll rankings

SAME RANKING BYCounties 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

RANKPLACESTATEPOPWELSH POPULATIONVS 2010

01Sioux Falls, SDSD213,748717+27%

02Rapid City, SDSD80,589546+35%

03Watertown, SDSD23,736161+283%

04Rapid Valley, SDSD6,975159+253%

05Brookings, SDSD25,355144+27%

06Pierre, SDSD13,848116+107%

07Huron, SDSD14,607112−19%

08Yankton, SDSD15,816106+45%

09Spearfish, SDSD14,15498−54%

10Aberdeen, SDSD27,96188−40%

11Vermillion, SDSD11,72065−11%

12Madison, SDSD6,06559+84%

13Belle Fourche, SDSD5,79149+250%

14Brandon, SDSD11,30648+167%

15Box Elder, SDSD13,93643−2%

16Tea, SDSD8,01942+282%

17Mitchell, SDSD15,75639−43%

18Sturgis, SDSD6,9229−77%

19Harrisburg, SDSD10,4055−80%

SHOWING 1–19 OF 19

Download CSV (full list, 19 rows)

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