Lake County, South Dakota Cities (2025)

29 cities

City
Rank
2025 Pop.
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Madison16,0456,159-0.38%1,3105 City
Lake Madison28928111.59%1895 CDP
Lake View38468001.68%3028 Township
Chester47106711.72%2133 Township
Herman57056741.44%2233 Township
Wentworth65335071.52%1634 Township
Franklin73383261.2%936 Township
Brant Lake South82792907.31%5311 CDP
Chester9231285-0.86%2831 CDP
Farmington102172041.88%636 Township
Le Roy112031912.01%636 Township
Rutland121981881.54%636 Township
Wentworth13170180-1.16%6690 Village
Ramona141641610.61%5990 Town
Golden View Colony151341027.2%1391 CDP
Madison161311270.77%436 Township
Winfred171291250.78%436 Township
Nunda181201122.56%335 Township
Badus1999922.06%335 Township
Concord2098912.08%336 Township
Orland219192-1.09%336 Township
Chester2288871.15%328 Township
Wayne2383820%236 Township
Clarno2471710%236 Township
Winfred2558687.41%581 CDP
Brant Lake2655570%3550 City
Nunda2747470%471 Town
Shannon Colony2834276.25%1350 CDP
Madison2915150%0.0035 Township

Lake County Cities Summary

Largest City

Madison is the largest city in Lake County, with a population of 6,045.

Smallest City

Madison is the smallest city in Lake County, with a population of 15.

10 Largest Cities

There are 29 cities in Lake County, South Dakota.

Location of Lake County