
Plain City
- County:
- Weber County
- County Seat:
- No
- Area (mi²):
- 12.084
- State:
- Utah
Plain City is a city located in Weber County, Utah. Plain City has a 2025 population of 8,959. Plain City is currently growing at a rate of 2.45% annually and its population has increased by 13.58% since the most recent census, which recorded a population of 7,888 in 2020.
The average household income in Plain City is $145,941 with a poverty rate of 1.77%. The median age in Plain City is 37 years: 39.5 years for males, and 33.9 years for females.