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 (2023 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.

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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 2000

01Day County, SDSD5,4840.5%–

02Aurora County, SDSD2,8010.2%–

03Brown County, SDSD37,5610.2%–

04Clay County, SDSD15,0310.1%–

05Bon Homme County, SDSD7,2440.1%–

06Hutchinson County, SDSD7,4130.1%–

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%–

13Pennington County, SDSD116,7920.0%–

14Lawrence County, SDSD29,4590.0%–

SHOWING 1–14 OF 14

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES