
Harper
- County:
- Harper County
- County Seat:
- No
- Area (mi²):
- 1.623
- State:
- Kansas
Harper is a city located in Harper County, Kansas. Harper has a 2025 population of 1,300. Harper is currently declining at a rate of -0.15% annually and its population has decreased by -0.76% since the most recent census, which recorded a population of 1,310 in 2020.
The average household income in Harper is $80,421 with a poverty rate of 16.24%. The median age in Harper is 38 years: 37.2 years for males, and 43.4 years for females.