
Garfield township
- County:
- Grundy County
- County Seat:
- No
- Area (mi²):
- 18.113
- State:
- Illinois
Garfield township is located in Grundy County, Illinois. Garfield township has a 2025 population of 1,466. Garfield township is currently growing at a rate of 0.55% annually and its population has increased by 1.45% since the most recent census, which recorded a population of 1,445 in 2020.
The average household income in Garfield township is $100,110 with a poverty rate of 14.78%. The median age in Garfield township is 39.1 years: 32.9 years for males, and 42.3 years for females.