
Darby township
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 31.173
- State:
- Ohio
Darby township is located in Union County, Ohio. Darby township has a 2025 population of 2,865. Darby township is currently growing at a rate of 3.47% annually and its population has increased by 18.19% since the most recent census, which recorded a population of 2,424 in 2020.
The average household income in Darby township is $148,667 with a poverty rate of 1.55%. The median age in Darby township is 36.7 years: 38.8 years for males, and 35.7 years for females.