Bennett County, South Dakota Cities (2025)

4 cities

City
Rank
2025 Pop.
2020 Pop.
Change
Density
Area (mi²)
Type
Allen11,0524774.16%3243.24 CDP
Martin2919936-0.33%1,6410.56 City
Allen township379761.28%236.73 Township
Martin township4660%0.0036.14 Township

Bennett County Cities Summary

Largest City

Allen is the largest city in Bennett County, with a population of 1,052.

Smallest City

Martin township is the smallest city in Bennett County.

10 Largest Cities

There are 4 cities in Bennett County, South Dakota.

Location of Bennett County