
Lewistown township
- County:
- Fulton County
- County Seat:
- No
- Area (mi²):
- 35.499
- State:
- Illinois
Lewistown township is located in Fulton County, Illinois. Lewistown township has a 2025 population of 2,505. Lewistown township is currently declining at a rate of -1.34% annually and its population has decreased by -5.79% since the most recent census, which recorded a population of 2,659 in 2020.
The average household income in Lewistown township is $77,548 with a poverty rate of 8.2%. The median age in Lewistown township is 44 years: 41.4 years for males, and 46 years for females.