RANKING · 2020 CENSUS · 14 SHOWN OF 14

Highest Romanian population share, South Dakota counties · 2020

South Dakota counties ranked by the share of all residents who are Romanian ancestry (2020 American Community Survey). A concentration measure: Romanian residents as a percentage of total population. This list covers the 14 counties in South Dakota that qualify, ranked against each other statewide.

Romanian 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

RANKPLACESTATEPOPROMANIAN SHAREVS 2010

01Day County, SDSD5,4840.5%–

02Aurora County, SDSD2,8010.2%–

03Brown County, SDSD37,5610.2%+0.1 pts

04Clay County, SDSD15,0310.1%–

05Bon Homme County, SDSD7,2440.1%–

06Hutchinson County, SDSD7,4130.1%+0.0 pts

07Lincoln County, SDSD77,1450.1%–

08Davison County, SDSD20,0690.1%–

09Buffalo County, SDSD1,8020.0%–

10Hughes County, SDSD17,5700.0%–

11Grant County, SDSD7,5340.0%–

12Minnehaha County, SDSD212,6910.0%−0.1 pts

13Pennington County, SDSD116,7920.0%−0.0 pts

14Lawrence County, SDSD29,4590.0%–

SHOWING 1–14 OF 14

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS