Jefferson County

Jefferson County is a county in Idaho, United States. The population in Jefferson County was 33,428 in 2022. The median age in Jefferson County was 31.9 in 2021. The median income in Jefferson County was $29,732 in 2021. The unemployment rate in Jefferson County was 2.4% in 2023. The percentage of people with obesity in Jefferson County was 31.9% in 2021. The percentage of people who binge drink in Jefferson County was 15.5% in 2021. The percentage of people who smoke in Jefferson County was 15% in 2021.