
Hollis
- County:
- Harmon County
- County Seat:
- Yes
- Area (mi²):
- 1.485
- State:
- Oklahoma
Hollis is a city located in Harmon County, Oklahoma. Hollis has a 2025 population of 1,679. It is also the county seat of .Hollis is currently declining at a rate of -1.24% annually and its population has decreased by -5.83% since the most recent census, which recorded a population of 1,783 in 2020.
The average household income in Hollis is $63,724 with a poverty rate of 24.11%. The median age in Hollis is 37.3 years: 32.7 years for males, and 39.3 years for females.