
West Union
- County:
- Fayette County
- County Seat:
- Yes
- Area (mi²):
- 2.747
- State:
- Iowa
West Union is a city located in Fayette County, Iowa. West Union has a 2025 population of 2,402. It is also the county seat of .West Union is currently declining at a rate of -0.62% annually and its population has decreased by -2.99% since the most recent census, which recorded a population of 2,476 in 2020.
The average household income in West Union is $67,025 with a poverty rate of 12.78%. The median age in West Union is 42 years: 41.1 years for males, and 43 years for females.