
Lenox township
- County:
- Warren County
- County Seat:
- No
- Area (mi²):
- 36.342
- State:
- Illinois
Lenox township is located in Warren County, Illinois. Lenox township has a 2025 population of 254. Lenox township is currently declining at a rate of -1.17% annually and its population has decreased by -5.93% since the most recent census, which recorded a population of 270 in 2020.
The average household income in Lenox township is $46,137 with a poverty rate of 16.67%. The median age in Lenox township is 61.4 years: 61.6 years for males, and 56.4 years for females.