Picayune is a city located in Pearl River County Mississippi. With a 2020 population of 10,786, it is the 38th largest city in Mississippi and the 2944th largest city in the United States . Picayune is currently declining at a rate of -0.54% annually and its population has decreased by -0.85% since the most recent census, which recorded a population of 10,878 in 2010. Picayune reached it's highest population of 11,634 in 2011. Spanning over 18 miles, Picayune has a population density of 598 people per square mile.
The average household income in Picayune is $46,550 with a poverty rate of 33.30%. The median rental costs in recent years comes to $767 per month, and the median house value is $110,100. The median age in Picayune is 35.1 years, 32.5 years for males, and 35.9 years for females.