
Fremont township
- County:
- Lake County
- County Seat:
- No
- Area (mi²):
- 34.157
- State:
- Illinois
Fremont township is located in Lake County, Illinois. Fremont township has a 2025 population of 33,522. Fremont township is currently growing at a rate of 0.15% annually and its population has increased by 0.49% since the most recent census, which recorded a population of 33,357 in 2020.
The average household income in Fremont township is $146,505 with a poverty rate of 4.58%. The median age in Fremont township is 46.9 years: 46 years for males, and 47.6 years for females.