
Rosaryville
- County:
- Charles County
- County Seat:
- No
- Area (mi²):
- 9.183
- State:
- Maryland
Rosaryville is a CDP located in Charles County, Maryland. Rosaryville has a 2025 population of 12,358. Rosaryville is currently growing at a rate of 0.9% annually and its population has increased by 8.94% since the most recent census, which recorded a population of 11,344 in 2020.
The average household income in Rosaryville is $171,195 with a poverty rate of 3.84%. The median age in Rosaryville is 48.2 years: 43.3 years for males, and 49 years for females.