Castleberry is a city located in Alabama. With a 2020 population of 537, it is the 327th largest city in Alabama and the 13011th largest city in the United States. Castleberry is currently declining at a rate of -0.74% annually and its population has decreased by -7.89% since the most recent census, which recorded a population of 583 in 2010. Castleberry reached it's highest population of 594 in 2010. Spanning over 2 miles, Castleberry has a population density of 314 people per square mile.
The average household income in Castleberry is $34,085 with a poverty rate of 36.90%. The median rental costs in recent years comes to $288 per month, and the median house value is $61,100. The median age in Castleberry is 56.2 years, 56.9 years for males, and 54.1 years for females. For every 100 females there are 85.5 males.