
Westfield township
- County:
- Clark County
- County Seat:
- No
- Area (mi²):
- 34.721
- State:
- Illinois
Westfield township is located in Clark County, Illinois. Westfield township has a 2025 population of 833. Westfield township is currently declining at a rate of -0.12% annually and its population has decreased by -2.12% since the most recent census, which recorded a population of 851 in 2020.
The average household income in Westfield township is $89,987 with a poverty rate of 12.15%. The median age in Westfield township is 52 years: 51.4 years for males, and 52.6 years for females.