Mason City
- County:
- Custer County
- County Seat:
- No
- Area (mi²):
- 0.474
- State:
- Nebraska
Mason City is a village located in Custer County, Nebraska. Mason City has a 2026 population of 147. Mason City is currently declining at a rate of -2% annually and its population has decreased by 0% since the most recent census, which recorded a population of 147 in 2020.
The median household income in Mason City is $64,375 with a poverty rate of 11.11%. The median age in Mason City is 27.9 years: 34.2 years for males, and 26.6 years for females. For every 100 females there are 136.3 males.