
Chadwick
- County:
- Carroll County
- County Seat:
- No
- Area (mi²):
- 0.311
- State:
- Illinois
Chadwick is a village located in Carroll County, Illinois. Chadwick has a 2025 population of 473. Chadwick is currently declining at a rate of -0.42% annually and its population has decreased by -1.87% since the most recent census, which recorded a population of 482 in 2020.
The average household income in Chadwick is $82,904 with a poverty rate of 4.33%. The median age in Chadwick is 35.1 years: 35.8 years for males, and 33.7 years for females.