
White Marsh
- County:
- Baltimore County
- County Seat:
- No
- Area (mi²):
- 5.31
- State:
- Maryland
White Marsh is a CDP located in Baltimore County, Maryland. White Marsh has a 2025 population of 10,543. White Marsh is currently growing at a rate of 0.66% annually and its population has increased by 15.91% since the most recent census, which recorded a population of 9,096 in 2020.
The average household income in White Marsh is $135,995 with a poverty rate of 6.06%. The median age in White Marsh is 40.1 years: 38.9 years for males, and 41.1 years for females.