Bennett County, South Dakota Cities (2025)

3 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Martin1919939-0.43%1,6411 City
Allen276760%237 Township
Martin3770%0.0036 Township

Bennett County Cities Summary

Largest City

Martin is the largest city in Bennett County, with a population of 919.

Smallest City

Martin is the smallest city in Bennett County, with a population of 7.

10 Largest Cities

There are 3 cities in Bennett County, South Dakota.

Location of Bennett County