Chester County

Chester County is a county in Pennsylvania, United States. The population in Chester County was 545,823 in 2022. The median age in Chester County was 40.6 in 2021. The median income in Chester County was $48,283 in 2021. The unemployment rate in Chester County was 2.2% in 2023. The percentage of people with obesity in Chester County was 31.6% in 2021. The percentage of people who binge drink in Chester County was 18.2% in 2021. The percentage of people who smoke in Chester County was 12.1% in 2021.