Hartland
- County:
- McHenry County
- County Seat:
- No
- Area (mi²):
- 0.319
- State:
- Illinois
Hartland is a CDP located in McHenry County, Illinois. Hartland has a 2025 population of 146 . Hartland is currently growing at a rate of 7.35% annually but its population has decreased by -6.41% since the most recent census, which recorded a population of 156 in 2020.
The median age in Hartland is 90.1 years: 78.8 years for males, and 91.1 years for females. For every 100 females there are 15.2 males.