St. Mary's County

St. Mary's County is a county in Maryland, United States. The population in St. Mary's County was 114,877 in 2022. The median age in St. Mary's County was 36.7 in 2021. The median income in St. Mary's County was $46,867 in 2021. The unemployment rate in St. Mary's County was 1.6% in 2023. The percentage of people with obesity in St. Mary's County was 35.6% in 2021. The percentage of people who binge drink in St. Mary's County was 16.6% in 2021. The percentage of people who smoke in St. Mary's County was 14.4% in 2021.