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RANKING · 1990 CENSUS · 18 SHOWN OF 18

Least racially diverse, South Dakota cities · 1990

South Dakota cities with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (1990 ACS). This list covers the 18 cities in South Dakota that qualify, ranked against each other statewide. The median across all 18 is 9.

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Least racially diverse by state
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RANKPLACESTATEPOPDIVERSITY SCOREVS –
01Harrisburg, SDSD10,4051–
02Tea, SDSD8,0193–
03Huron, SDSD14,6076–
04Madison, SDSD6,0656–
05Mitchell, SDSD15,7566–
06Watertown, SDSD23,7367–
07Brookings, SDSD25,3558–
08Sioux Falls, SDSD213,7489–
09Yankton, SDSD15,8169–
10Sturgis, SDSD6,9229–
11Aberdeen, SDSD27,96110–
12Spearfish, SDSD14,15412–
13Belle Fourche, SDSD5,79115–
14Vermillion, SDSD11,72016–
15Pierre, SDSD13,84818–
16Rapid Valley, SDSD6,97521–
17Rapid City, SDSD80,58929–
18Box Elder, SDSD13,93639–
SHOWING 1–18 OF 18

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