
Hanover
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 0.599
- State:
- Kansas
Hanover is a city located in Washington County, Kansas. Hanover has a 2025 population of 686. Hanover is currently declining at a rate of -0.15% annually and its population has decreased by -0.72% since the most recent census, which recorded a population of 691 in 2020.
The average household income in Hanover is $76,983 with a poverty rate of 8.15%. The median age in Hanover is 36.7 years: 30.1 years for males, and 48.5 years for females.