RANKING · 2024 ACS · 23 SHOWN OF 23

Highest South American population share, South Dakota counties

South Dakota counties ranked by the share of all residents who are South American origin (2024 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 23 counties in South Dakota that qualify, ranked against each other statewide. The median across all 23 is 0.1%. Biggest climber in the top 100 since 2020: Lake County, SD, up 7 places to #9.

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSOUTH AMERICAN SHAREVS 2010

01Grant County, SDSD7,5341.0%–

02Jerauld County, SDSD1,6540.8%–

03Clark County, SDSD4,0310.8%–

04Hughes County, SDSD17,5700.6%–

05▲1Pennington County, SDSD116,7920.6%+0.4 pts

06Douglas County, SDSD2,8880.5%–

07▼2Beadle County, SDSD19,6240.5%+0.2 pts

08▼4Brookings County, SDSD37,6350.4%–

09▲7Lake County, SDSD10,9930.2%+0.1 pts

10Custer County, SDSD9,4310.2%–

11Bon Homme County, SDSD7,2440.1%–

12▼5Clay County, SDSD15,0310.1%–

13▼5Minnehaha County, SDSD212,6910.1%0.0 pts

14▼4Roberts County, SDSD10,2550.1%–

15Aurora County, SDSD2,8010.1%–

16▼4Spink County, SDSD6,1550.1%–

17Marshall County, SDSD4,4260.0%–

18▼9Brown County, SDSD37,5610.0%–

19Kingsbury County, SDSD5,2840.0%–

20Walworth County, SDSD5,2170.0%–

21▼8Lincoln County, SDSD77,1450.0%−0.3 pts

22Codington County, SDSD29,5620.0%–

23▼20Yankton County, SDSD23,6350.0%–

SHOWING 1–23 OF 23

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