Jefferson County

Jefferson County is a county in Tennessee, United States. The population in Jefferson County was 57,838 in 2023. The median age in Jefferson County was 44.1 in 2023. The median income in Jefferson County was $29,797 in 2023. The unemployment rate in Jefferson County was 3.5% in 2024. The percentage of people with obesity in Jefferson County was 38.8% in 2022. The percentage of people who binge drink in Jefferson County was 17.3% in 2022. The percentage of people who smoke in Jefferson County was 19.6% in 2022.