
Radnor
- County:
- Delaware County
- County Seat:
- No
- Area (mi²):
- 0.721
- State:
- Ohio
Radnor is a CDP located in Delaware County, Ohio. Radnor has a 2025 population of 158. Radnor is currently declining at a rate of -1.86% annually but its population has increased by 20.61% since the most recent census, which recorded a population of 131 in 2020.
The average household income in Radnor is $58,610 with a poverty rate of 11.17%. The median age in Radnor is 53.4 years: 44.7 years for males, and 54 years for females.