
Catonsville
- County:
- Baltimore County
- County Seat:
- No
- Area (mi²):
- 13.961
- State:
- Maryland
Catonsville is a CDP located in Baltimore County, Maryland. Catonsville has a 2025 population of 43,067. Catonsville is currently growing at a rate of 0.23% annually and its population has increased by 3.55% since the most recent census, which recorded a population of 41,592 in 2020.
The average household income in Catonsville is $137,186 with a poverty rate of 6.86%. The median age in Catonsville is 39.8 years: 37.1 years for males, and 42.3 years for females.