
Brilliant
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 10.591
- State:
- Alabama
Brilliant is a town located in Marion County, Alabama. Brilliant has a 2025 population of 827. Brilliant is currently declining at a rate of -0.12% annually and its population has decreased by -0.84% since the most recent census, which recorded a population of 834 in 2020.
The average household income in Brilliant is $50,378 with a poverty rate of 35.51%. The median age in Brilliant is 54.6 years: 56.6 years for males, and 52.6 years for females.