Rock County

Rock County is a county in Wisconsin, United States. The population in Rock County was 164,278 in 2023. The median age in Rock County was 40.1 in 2023. The median income in Rock County was $40,992 in 2023. The unemployment rate in Rock County was 2.9% in 2024. The percentage of people with obesity in Rock County was 38.1% in 2022. The percentage of people who binge drink in Rock County was 22.1% in 2022. The percentage of people who smoke in Rock County was 17.8% in 2022.