McPherson County, South Dakota Cities (2026)

3 cities

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Eureka1735806-1.61%7881 City
Leola2393432-1.5%5301 City
Long Lake325270%900 Town

McPherson County Cities Summary

Largest City

Eureka is the largest city in McPherson County, with a population of 735.

Smallest City

Long Lake is the smallest city in McPherson County, with a population of 25.

10 Largest Cities

There are 3 cities in McPherson County, South Dakota.

Location of McPherson County