Fenton township
- County:
- Whiteside County
- County Seat:
- No
- Area (mi²):
- 34.878
- State:
- Illinois
Fenton township is located in Whiteside County, Illinois. Fenton township has a 2026 population of 558. Fenton township is currently growing at a rate of 0.54% annually but its population has decreased by -1.06% since the most recent census, which recorded a population of 564 in 2020.
The median household income in Fenton township is $58,950 with a poverty rate of 10.33%. The median age in Fenton township is 39.5 years: 39.1 years for males, and 40.3 years for females. For every 100 females there are 86.9 males.