
Catlin township
- County:
- Vermilion County
- County Seat:
- No
- Area (mi²):
- 49.789
- State:
- Illinois
Catlin township is located in Vermilion County, Illinois. Catlin township has a 2025 population of 2,983. Catlin township is currently declining at a rate of -0.6% annually and its population has decreased by -4.08% since the most recent census, which recorded a population of 3,110 in 2020.
The average household income in Catlin township is $85,282 with a poverty rate of 7.22%. The median age in Catlin township is 44.3 years: 39.5 years for males, and 48.8 years for females.