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 2026 population of 78. Hartly is currently growing at a rate of 2.63% annually and its population has increased by 11.43% since the most recent census, which recorded a population of 70 in 2020.
The median household income in Hartly is $152,813 with a poverty rate of 9.55%. The median age in Hartly is 42.6 years: 27.4 years for males, and 43 years for females. For every 100 females there are 155.1 males.