Clay County, South Dakota Cities (2025)

17 cities

City
Rank
2025 Pop.
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Vermillion112,20511,7200.8%2,6195 City
Irene24404270.69%1,7250 City
Vermillion34163801.96%1823 Township
Wakonda43513480.29%9090 Town
Glenwood52332151.75%636 Township
Meckling62272101.79%636 Township
Spirit Mound72262091.35%636 Township
Garfield82081921.46%636 Township
Prairie Center92031852.01%636 Township
Bethel101931830.52%536 Township
Norway111731562.37%726 Township
Pleasant Valley121611520.63%436 Township
Riverside131321202.33%436 Township
Star141301182.36%435 Township
Burbank15981127.69%3190 CDP
Vermillion1688832.33%236 Township
Meckling1746296.98%2250 CDP

Clay County Cities Summary

Largest City

Vermillion is the largest city in Clay County, with a population of 12,205.

Smallest City

Meckling is the smallest city in Clay County, with a population of 46.

10 Largest Cities

There are 17 cities in Clay County, South Dakota.

Location of Clay County