
Hays
- County:
- Ellis County
- County Seat:
- Yes
- Area (mi²):
- 8.643
- State:
- Kansas
Hays is a city located in Ellis County, Kansas. Hays has a 2025 population of 20,982. It is also the county seat of Ellis County. Hays is currently declining at a rate of -0.14% annually and its population has decreased by -0.68% since the most recent census, which recorded a population of 21,126 in 2020.
The average household income in Hays is $78,895 with a poverty rate of 19.89%. The median age in Hays is 30.2 years: 27.9 years for males, and 31.4 years for females.