Clayton is a city located in Barbour County Alabama. It is also the county seat of Barbour County. With a 2020 population of 2,819, it is the 144th largest city in Alabama and the 6435th largest city in the United States . Clayton is currently declining at a rate of -0.49% annually and its population has decreased by -6.28% since the most recent census, which recorded a population of 3,008 in 2010. Clayton reached it's highest population of 2,998 in 2010. Spanning over 7 miles, Clayton has a population density of 417 people per square mile.
The average household income in Clayton is $37,630 with a poverty rate of 39.99%. The median rental costs in recent years comes to $440 per month, and the median house value is $80,700. The median age in Clayton is 38.4 years, 38.1 years for males, and 41.3 years for females.