
Marble Falls
- County:
- Burnet County
- County Seat:
- No
- Area (mi²):
- 15.657
- State:
- Texas
Marble Falls is a city located in Burnet County, Texas. Marble Falls has a 2025 population of 7,903. Marble Falls is currently growing at a rate of 2.13% annually and its population has increased by 11.66% since the most recent census, which recorded a population of 7,078 in 2020.
The average household income in Marble Falls is $97,024 with a poverty rate of 12.99%. The median age in Marble Falls is 35.6 years: 33.2 years for males, and 39 years for females.