Bennett County, South Dakota Cities (2026)

3 cities

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Martin1915939-0.44%1,6341 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 915.

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