Harmon County, Oklahoma Cities (2026)

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density (/mi²)
Area (mi²)
Type
Hollis11,6471,783-1.55%1,1091 City
East Duke24003920.25%9200 Town
Gould394101-1.05%2580 Town

Harmon County Cities Summary

Largest City

Hollis is the largest city in Harmon County, with a population of 1,647.

Smallest City

Gould is the smallest city in Harmon County, with a population of 94.

10 Largest Cities

There are 3 cities in Harmon County, Oklahoma.

Location of Harmon County