Chester
- County:
- Liberty County
- County Seat:
- Yes
- Area (mi²):
- 0.487
- State:
- Montana
Chester is a town located in Liberty County, Montana. Chester has a 2026 population of 835. It is also the county seat of Liberty County. Chester is currently declining at a rate of -1.53% annually and its population has decreased by -1.42% since the most recent census, which recorded a population of 847 in 2020.