Greene County

Greene County is a county in Illinois, United States. The population in Greene County was 11,543 in 2023. The median age in Greene County was 43.1 in 2023. The median income in Greene County was $31,902 in 2023. The unemployment rate in Greene County was 3.7% in 2024. The percentage of people with obesity in Greene County was 37.5% in 2022. The percentage of people who binge drink in Greene County was 20.7% in 2022. The percentage of people who smoke in Greene County was 18.8% in 2022.