RANKING · 1990 CENSUS · 18 SHOWN OF 18

Fewest graduate degrees, South Dakota cities · 1990

South Dakota cities with the smallest share of adults 25+ holding a graduate or professional degree (1990 ACS). This list covers the 18 cities in South Dakota that qualify, ranked against each other statewide.

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SAME RANKING BYCounties States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPGRADUATE DEGREEVS –

01Rapid Valley, SDSD6,9751.4%–

02Tea, SDSD8,0192.3%–

03Harrisburg, SDSD10,4052.8%–

04Belle Fourche, SDSD5,7913.4%–

05Watertown, SDSD23,7364.0%–

06Huron, SDSD14,6074.2%–

07Box Elder, SDSD13,9364.4%–

08Mitchell, SDSD15,7564.8%–

09Sturgis, SDSD6,9225.3%–

10Sioux Falls, SDSD213,7485.9%–

11Madison, SDSD6,0656.5%–

12Spearfish, SDSD14,1546.6%–

13Aberdeen, SDSD27,9616.7%–

14Rapid City, SDSD80,5897.0%–

15Yankton, SDSD15,8167.4%–

16Pierre, SDSD13,8487.9%–

17Brookings, SDSD25,35516.3%–

18Vermillion, SDSD11,72024.5%–

SHOWING 1–18 OF 18

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS