Williamson County

Williamson County is a county in Illinois, United States. The population in Williamson County was 66,695 in 2022. The median age in Williamson County was 41.1 in 2021. The median income in Williamson County was $31,237 in 2021. The unemployment rate in Williamson County was 3.7% in 2023. The percentage of people with obesity in Williamson County was 35.1% in 2021. The percentage of people who binge drink in Williamson County was 17.8% in 2021. The percentage of people who smoke in Williamson County was 17.4% in 2021.