
Chester
- County:
- Delaware County
- County Seat:
- No
- Area (mi²):
- 4.833
- State:
- Pennsylvania
Chester is a city located in Delaware County, Pennsylvania. Chester has a 2025 population of 34,271. Chester is currently growing at a rate of 1% annually and its population has increased by 5.19% since the most recent census, which recorded a population of 32,580 in 2020.
The average household income in Chester is $57,611 with a poverty rate of 30.82%. The median age in Chester is 33.3 years: 31.9 years for males, and 35.5 years for females.