Douglas County, South Dakota Cities (2025)

19 cities

City
Rank
2025 Pop.
2020 Pop.
Change
Density
Area (mi²)
Type
Armour17076960.28%7490.94 City
Corsica2552561-0.36%6590.84 City
Holland township31731661.76%629.29 Township
Delmont41521540%1990.76 City
Joubert township51481431.37%528.86 Township
Independence township61451421.4%435.99 Township
Valley township71371311.48%436.05 Township
Washington township81351272.27%529.13 Township
Walnut Grove township91131101.8%428.98 Township
Iowa township1091901.11%335.52 Township
Lincoln township1183792.47%235.48 Township
Grandview township1281772.53%234.64 Township
Garfield township1380762.56%329.30 Township
Belmont township1470662.94%234.22 Township
East Choteau township1537352.78%215.89 Township
Milltown1631256.9%700.44 CDP
Harrison township1726270%135.77 Township
Harrison189712.5%830.11 CDP
New Holland19580%430.12 CDP