Catonsville is a census-designated place in Baltimore County, Maryland. The population was 44,701 at the 2020 US Census. The community is a streetcar suburb of Baltimore along the city's western border. The town is known for its proximity to the Patapsco River and Patapsco Valley State Park, making it a regional mountain biking hub.
Benjamin Banneker Historical Park and Museum features the museum gallery celebrating his life, a re-creation of his cabin, gardens and his 100-acre farm.
The Grist Mill Trail is a 5.0 mile long hiking and biking trail located in Patapsco Valley State Park in the Baltimore County side of the Patapsco Valley near Catonsville, Maryland.