Brilliant is a city located in Marion County Alabama. With a 2020 population of 871, it is the 270th largest city in Alabama and the 10892nd largest city in the United States . Brilliant is currently declining at a rate of -0.11% annually and its population has decreased by -3.22% since the most recent census, which recorded a population of 900 in 2010. Brilliant reached it's highest population of 902 in 2011. Spanning over 11 miles, Brilliant has a population density of 82 people per square mile.
The average household income in Brilliant is $36,645 with a poverty rate of 27.82%. The median rental costs in recent years comes to $377 per month, and the median house value is $120,600. The median age in Brilliant is 39.6 years, 41.1 years for males, and 38.4 years for females.