
Mechanicsville
- County:
- St. Mary's County
- County Seat:
- No
- Area (mi²):
- 5.19
- State:
- Maryland
Mechanicsville is a CDP located in St. Mary's County, Maryland. Mechanicsville has a 2025 population of 1,852. Mechanicsville is currently growing at a rate of 1.26% annually and its population has increased by 7.42% since the most recent census, which recorded a population of 1,724 in 2020.
The average household income in Mechanicsville is $184,283 with a poverty rate of 3.22%. The median age in Mechanicsville is 41.3 years: 41 years for males, and 43.8 years for females.