
Marshville
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 2.122
- State:
- North Carolina
Marshville is a town located in Union County, North Carolina. Marshville has a 2025 population of 2,740. Marshville is currently growing at a rate of 1.48% annually and its population has increased by 7.87% since the most recent census, which recorded a population of 2,540 in 2020.
The average household income in Marshville is $65,461 with a poverty rate of 18.03%. The median age in Marshville is 36.2 years: 35.8 years for males, and 36.5 years for females.