Henderson
- County:
- Mills County
- County Seat:
- No
- Area (mi²):
- 0.133
- State:
- Iowa
Henderson is a city located in Mills County, Iowa. Henderson has a 2026 population of 140. Henderson is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 140 in 2020.
The median household income in Henderson is $54,375 with a poverty rate of 25.35%. The median age in Henderson is 41.3 years: 51.3 years for males, and 33.3 years for females. For every 100 females there are 98.6 males.