
Grant township
- County:
- Lake County
- County Seat:
- No
- Area (mi²):
- 17.631
- State:
- Illinois
Grant township is located in Lake County, Illinois. Grant township has a 2025 population of 28,266. Grant township is currently growing at a rate of 0.31% annually and its population has increased by 0.85% since the most recent census, which recorded a population of 28,027 in 2020.
The average household income in Grant township is $111,826 with a poverty rate of 9.79%. The median age in Grant township is 38.4 years: 36.5 years for males, and 40.2 years for females.