There are 11 cities in Delaware County, Ohio.

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City
Rank
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Columbus1917,811906,2660.54%4,187219.20
Dublin248,75449,342-0.25%1,97624.67
Delaware345,79941,6912.12%2,37319.30
Westerville438,02639,241-0.57%3,01712.60
Powell514,39014,246 2,5525.64
Sunbury69,0066,7216.5%1,8744.80
Ashley71,3611,2053.03%2,0650.66
Ostrander81,2361,1002.83%1,4700.84
Galena91,0539343.03%6191.70
Radnor10167131 2320.72
Kilbourne112514 560.45
showing: 11 rows

Cities in Delaware County, Ohio by Population (2024)

What is the largest city in Delaware County, Ohio?

Columbus is the largest city in Delaware County.

What is the smallest city in Delaware County, Ohio?

Kilbourne is the smallest city in Delaware County.

How many cities are in Delaware County?

There are 11 cities in Delaware County, Ohio.

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