Isabel township
- County:
- Fulton County
- County Seat:
- No
- Area (mi²):
- 29.23
- State:
- Illinois
Isabel township is located in Fulton County, Illinois. Isabel township has a 2026 population of 170. Isabel township is currently declining at a rate of -0.58% annually and its population has decreased by -2.3% since the most recent census, which recorded a population of 174 in 2020.
The median household income in Isabel township is $64,844 with a poverty rate of 0%. The median age in Isabel township is 38.6 years: 62.1 years for males, and 36 years for females. For every 100 females there are 68.5 males.