Clay County

Clay County is a county in South Dakota, United States. The population in Clay County was 15,280 in 2022. The median age in Clay County was 24.7 in 2021. The median income in Clay County was $21,078 in 2021. The unemployment rate in Clay County was 1.7% in 2023. The percentage of people with obesity in Clay County was 35.6% in 2021. The percentage of people who binge drink in Clay County was 19.4% in 2021. The percentage of people who smoke in Clay County was 16.3% in 2021.