
Hadley township
- County:
- Pike County
- County Seat:
- No
- Area (mi²):
- 36.821
- State:
- Illinois
Hadley township is located in Pike County, Illinois. Hadley township has a 2025 population of 244. Hadley township is currently declining at a rate of -0.41% annually and its population has decreased by -2.4% since the most recent census, which recorded a population of 250 in 2020.
The average household income in Hadley township is $110,925 with a poverty rate of 8.02%. The median age in Hadley township is 39.8 years: 61.3 years for males, and 39.4 years for females.