Day County, South Dakota Cities (2026)

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density (/mi²)
Area (mi²)
Type
Webster11,6701,723-0.65%1,0302 City
Waubay24744730%3261 City
Bristol3275285-1.08%5271 City
Roslyn41821840%8350 Town
Pierpont5123130-1.6%8090 Town
Andover671680%2630 Town
Grenville748470%2030 Town
Butler8440%140 Town

Day County Cities Summary

Largest City

Webster is the largest city in Day County, with a population of 1,670.

Smallest City

Butler is the smallest city in Day County, with a population of 4.

10 Largest Cities

There are 8 cities in Day County, South Dakota.

Location of Day County