RANKING · 2010 CENSUS · 19 SHOWN OF 19

Highest Portuguese population share, South Dakota counties · 2010

South Dakota counties ranked by the share of all residents who are Portuguese ancestry (2010 American Community Survey). A concentration measure: Portuguese residents as a percentage of total population. This list covers the 19 counties in South Dakota that qualify, ranked against each other statewide. The median across all 19 is 0.1%.

Portuguese 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

RANKPLACESTATEPOPPORTUGUESE SHAREVS –

01Custer County, SDSD9,4310.5%–

02Spink County, SDSD6,1550.5%–

03Lake County, SDSD10,9930.4%–

04Bon Homme County, SDSD7,2440.3%–

05Grant County, SDSD7,5340.2%–

06Pennington County, SDSD116,7920.2%–

07Davison County, SDSD20,0690.1%–

08Brookings County, SDSD37,6350.1%–

09Brown County, SDSD37,5610.1%–

10Harding County, SDSD1,3310.1%–

11Clay County, SDSD15,0310.1%–

12Minnehaha County, SDSD212,6910.1%–

13Clark County, SDSD4,0310.1%–

14Turner County, SDSD9,3140.0%–

15Day County, SDSD5,4840.0%–

16Meade County, SDSD30,7110.0%–

17Hughes County, SDSD17,5700.0%–

18Beadle County, SDSD19,6240.0%–

19Lincoln County, SDSD77,1450.0%–

SHOWING 1–19 OF 19

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