
Fallston
- County:
- Harford County
- County Seat:
- No
- Area (mi²):
- 13.998
- State:
- Maryland
Fallston is a CDP located in Harford County, Maryland. Fallston has a 2025 population of 10,201. Fallston is currently growing at a rate of 0.82% annually and its population has increased by 11.88% since the most recent census, which recorded a population of 9,118 in 2020.
The average household income in Fallston is $178,677 with a poverty rate of 4.87%. The median age in Fallston is 47.6 years: 49 years for males, and 45.7 years for females.