
Mount Union
- County:
- Henry County
- County Seat:
- No
- Area (mi²):
- 0.169
- State:
- Iowa
Mount Union is a CDP located in Henry County, Iowa. Mount Union has a 2025 population of 152. Mount Union is currently growing at a rate of 7.04% annually and its population has increased by 12.59% since the most recent census, which recorded a population of 135 in 2020.
The average household income in Mount Union is $46,421 with a poverty rate of 9.91%. The median age in Mount Union is 37.7 years: 37.1 years for males, and 49.1 years for females.