Lagrange township
- County:
- Bond County
- County Seat:
- No
- Area (mi²):
- 45.62
- State:
- Illinois
Lagrange township is located in Bond County, Illinois. Lagrange township has a 2026 population of 1,072. Lagrange township is currently declining at a rate of -0.28% annually and its population has decreased by -1.56% since the most recent census, which recorded a population of 1,089 in 2020.
The median household income in Lagrange township is $121,250 with a poverty rate of 5.04%. The median age in Lagrange township is 58.2 years: 59.4 years for males, and 56.8 years for females. For every 100 females there are 106.0 males.