
Dennis
- County:
- Parker County
- County Seat:
- No
- Area (mi²):
- 1.401
- State:
- Texas
Dennis is a town located in Parker County, Texas. Dennis has a 2025 population of 1,102. Dennis is currently growing at a rate of 7.09% annually and its population has increased by 121.29% since the most recent census, which recorded a population of 498 in 2020.
The average household income in Dennis is $143,574 with a poverty rate of 0%. The median age in Dennis is 24.8 years: 23.4 years for males, and 32.9 years for females.