Delaware County, Oklahoma Cities (2026)

5 cities

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Grove17,5136,9541.25%7919 City
Jay22,5012,4200.56%7513 City
Kansas37747111.44%3792 Town
Colcord47667260.92%3122 Town
Oaks52682680%3131 Town

Delaware County Cities Summary

Largest City

Grove is the largest city in Delaware County, with a population of 7,513.

Smallest City

Oaks is the smallest city in Delaware County, with a population of 268.

10 Largest Cities

There are 5 cities in Delaware County, Oklahoma.

Location of Delaware County