
Middle River
- County:
- Baltimore County
- County Seat:
- No
- Area (mi²):
- 12.758
- State:
- Maryland
Middle River is a CDP located in Baltimore County, Maryland. Middle River has a 2025 population of 32,646. Middle River is currently growing at a rate of 1.55% annually and its population has increased by 10.05% since the most recent census, which recorded a population of 29,665 in 2020.
The average household income in Middle River is $98,592 with a poverty rate of 16.17%. The median age in Middle River is 36.6 years: 35.7 years for males, and 37.7 years for females.