Pierce township
- County:
- DeKalb County
- County Seat:
- No
- Area (mi²):
- 34.979
- State:
- Illinois
Pierce township is located in DeKalb County, Illinois. Pierce township has a 2026 population of 432. Pierce township is currently declining at a rate of -0.46% annually and its population has decreased by -1.37% since the most recent census, which recorded a population of 438 in 2020.
The median household income in Pierce township is $109,216 with a poverty rate of 3.25%. The median age in Pierce township is 51.8 years: 43.8 years for males, and 55.1 years for females. For every 100 females there are 182.7 males.