
Essex township
- County:
- Kankakee County
- County Seat:
- No
- Area (mi²):
- 35.653
- State:
- Illinois
Essex township is located in Kankakee County, Illinois. Essex township has a 2025 population of 1,507. Essex township is currently growing at a rate of 0.53% annually and its population has increased by 1.28% since the most recent census, which recorded a population of 1,488 in 2020.
The average household income in Essex township is $124,733 with a poverty rate of 3.78%. The median age in Essex township is 39 years: 38.3 years for males, and 40.4 years for females.