
Matherville
- County:
- Mercer County
- County Seat:
- No
- Area (mi²):
- 0.391
- State:
- Illinois
Matherville is a village located in Mercer County, Illinois. Matherville has a 2025 population of 689. Matherville is currently declining at a rate of -0.43% annually and its population has decreased by -2.41% since the most recent census, which recorded a population of 706 in 2020.
The average household income in Matherville is $82,840 with a poverty rate of 10.53%. The median age in Matherville is 36.7 years: 41.4 years for males, and 34.7 years for females.