Tremont township
- County:
- Tazewell County
- County Seat:
- No
- Area (mi²):
- 35.051
- State:
- Illinois
Tremont township is located in Tazewell County, Illinois. Tremont township has a 2026 population of 2,641. Tremont township is currently declining at a rate of 0% annually and its population has decreased by -1.23% since the most recent census, which recorded a population of 2,674 in 2020.
The median household income in Tremont township is $93,092 with a poverty rate of 1.89%. The median age in Tremont township is 41.5 years: 43.6 years for males, and 39.6 years for females. For every 100 females there are 83.3 males.