Jersey County

Jersey County is a county in Illinois, United States. The population in Jersey County was 21,246 in 2022. The median age in Jersey County was 43 in 2021. The median income in Jersey County was $33,456 in 2021. The unemployment rate in Jersey County was 3.4% in 2023. The percentage of people with obesity in Jersey County was 33.4% in 2021. The percentage of people who binge drink in Jersey County was 18.7% in 2021. The percentage of people who smoke in Jersey County was 16.3% in 2021.