Deer Park township
- County:
- LaSalle County
- County Seat:
- No
- Area (mi²):
- 31.332
- State:
- Illinois
Deer Park township is located in LaSalle County, Illinois. Deer Park township has a 2026 population of 473. Deer Park township is currently declining at a rate of 0% annually and its population has decreased by -0.63% since the most recent census, which recorded a population of 476 in 2020.
The median household income in Deer Park township is $91,429 with a poverty rate of 1.37%. The median age in Deer Park township is 52.9 years: 51.9 years for males, and 53.4 years for females. For every 100 females there are 114.7 males.