
Masonville
- County:
- Delaware County
- County Seat:
- No
- Area (mi²):
- 0.327
- State:
- Iowa
Masonville is a city located in Delaware County, Iowa. Masonville has a 2025 population of 99. Masonville 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 99 in 2020.
The average household income in Masonville is $48,098 with a poverty rate of 6.94%. The median age in Masonville is 55.5 years: 54.8 years for males, and 58.5 years for females.