Richfield township
- County:
- Adams County
- County Seat:
- No
- Area (mi²):
- 38.005
- State:
- Illinois
Richfield township is located in Adams County, Illinois. Richfield township has a 2026 population of 396. Richfield township is currently declining at a rate of -0.5% annually and its population has decreased by -3.18% since the most recent census, which recorded a population of 409 in 2020.
The median household income in Richfield township is $126,786 with a poverty rate of 3.8%. The median age in Richfield township is 48.7 years: 51.3 years for males, and 46.6 years for females. For every 100 females there are 150.8 males.