Jefferson Parish

Jefferson Parish is a county in Louisiana, United States. The population in Jefferson Parish was 425,884 in 2022. The median age in Jefferson Parish was 39.7 in 2021. The median income in Jefferson Parish was $31,209 in 2021. The unemployment rate in Jefferson Parish was 3.3% in 2023. The percentage of people with obesity in Jefferson Parish was 36.2% in 2021. The percentage of people who binge drink in Jefferson Parish was 16.8% in 2021. The percentage of people who smoke in Jefferson Parish was 18.7% in 2021.