Bennett County, South Dakota Cities (2025)

4 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Allen11,0524774.16%3243 CDP
Martin2919939-0.43%1,6411 City
Allen376760%237 Township
Martin4770%0.0036 Township

Bennett County Cities Summary

Largest City

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

Smallest City

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

10 Largest Cities

There are 4 cities in Bennett County, South Dakota.

Location of Bennett County