
Hanover
- County:
- Grafton County
- County Seat:
- No
- Area (mi²):
- 4.522
- State:
- New Hampshire
Hanover is a CDP located in Grafton County, New Hampshire. Hanover has a 2025 population of 8,134. Hanover is currently declining at a rate of -0.4% annually and its population has decreased by -6.98% since the most recent census, which recorded a population of 8,744 in 2020.
The average household income in Hanover is $221,669 with a poverty rate of 9.87%. The median age in Hanover is 21.8 years: 21.6 years for males, and 22.1 years for females.