
Garrison
- County:
- Baltimore County
- County Seat:
- No
- Area (mi²):
- 3.158
- State:
- Maryland
Garrison is a CDP located in Baltimore County, Maryland. Garrison has a 2025 population of 9,999. Garrison is currently growing at a rate of 0.79% annually and its population has increased by 13.7% since the most recent census, which recorded a population of 8,794 in 2020.
The average household income in Garrison is $135,599 with a poverty rate of 10.76%. The median age in Garrison is 35.3 years: 28.9 years for males, and 40.9 years for females.