
Lake Darby
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 3.461
- State:
- Ohio
Lake Darby is a CDP located in Franklin County, Ohio. Lake Darby has a 2025 population of 4,563. Lake Darby is currently declining at a rate of -0.04% annually but its population has increased by 10.4% since the most recent census, which recorded a population of 4,133 in 2020.
The average household income in Lake Darby is $110,858 with a poverty rate of 4.33%. The median age in Lake Darby is 37.6 years: 38.9 years for males, and 37 years for females.