
Jarrettsville
- County:
- Harford County
- County Seat:
- No
- Area (mi²):
- 8.635
- State:
- Maryland
Jarrettsville is a CDP located in Harford County, Maryland. Jarrettsville has a 2025 population of 2,617. Jarrettsville is currently declining at a rate of -0.76% annually and its population has decreased by -7.43% since the most recent census, which recorded a population of 2,827 in 2020.
The average household income in Jarrettsville is $201,300 with a poverty rate of 1.03%. The median age in Jarrettsville is 41.8 years: 41.7 years for males, and 42 years for females.