
North Henderson
- County:
- Mercer County
- County Seat:
- No
- Area (mi²):
- 0.226
- State:
- Illinois
North Henderson is a village located in Mercer County, Illinois. North Henderson has a 2025 population of 160. North Henderson is currently declining at a rate of 0% annually and its population has decreased by -1.23% since the most recent census, which recorded a population of 162 in 2020.
The average household income in North Henderson is $100,888 with a poverty rate of 0%. The median age in North Henderson is 34.8 years: 31 years for males, and 41.7 years for females.