Delaware County, Oklahoma Cities (2026)

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density (/mi²)
Area (mi²)
Type
Grove17,4896,9581.22%7889 City
Jay22,5202,4220.52%7563 City
Kansas37667071.32%3752 Town
Colcord47647300.79%3122 Town
Oaks52712690%3161 Town

Delaware County Cities Summary

Largest City

Grove is the largest city in Delaware County, with a population of 7,489.

Smallest City

Oaks is the smallest city in Delaware County, with a population of 271.

10 Largest Cities

There are 5 cities in Delaware County, Oklahoma.

Location of Delaware County