
Griggsville township
- County:
- Pike County
- County Seat:
- No
- Area (mi²):
- 37.677
- State:
- Illinois
Griggsville township is located in Pike County, Illinois. Griggsville township has a 2025 population of 1,227. Griggsville township is currently declining at a rate of -1.29% annually and its population has decreased by -5.1% since the most recent census, which recorded a population of 1,293 in 2020.
The average household income in Griggsville township is $53,397 with a poverty rate of 20.1%. The median age in Griggsville township is 43 years: 37.4 years for males, and 44.5 years for females.