
Lansdowne
- County:
- Baltimore County
- County Seat:
- No
- Area (mi²):
- 2.276
- State:
- Maryland
Lansdowne is a CDP located in Baltimore County, Maryland. Lansdowne has a 2025 population of 9,465. Lansdowne is currently growing at a rate of 0.75% annually and its population has increased by 9.61% since the most recent census, which recorded a population of 8,635 in 2020.
The average household income in Lansdowne is $79,908 with a poverty rate of 20.32%. The median age in Lansdowne is 37.4 years: 36.2 years for males, and 39.5 years for females.