Buchanan County

Buchanan County is a county in Missouri, United States. The population in Buchanan County was 82,911 in 2022. The median age in Buchanan County was 38.4 in 2021. The median income in Buchanan County was $28,748 in 2021. The unemployment rate in Buchanan County was 2.6% in 2023. The percentage of people with obesity in Buchanan County was 38.5% in 2021. The percentage of people who binge drink in Buchanan County was 17.2% in 2021. The percentage of people who smoke in Buchanan County was 22.4% in 2021.