
Hartly
- County:
- Kent County
- County Seat:
- No
- Area (mi²):
- 0.057
- State:
- Delaware
Hartly is a town located in Kent County, Delaware. Hartly has a 2025 population of 81. Hartly is currently growing at a rate of 2.53% annually and its population has increased by 14.08% since the most recent census, which recorded a population of 71 in 2020.
The average household income in Hartly is $116,417 with a poverty rate of 9.38%. The median age in Hartly is 43.2 years: 27.9 years for males, and 43.4 years for females.