Santa Paolina is a small comune located in the province of Avellino within the Campania region of southern Italy. It serves as a rural municipality characterized by its modest size and local administrative status.
The population of Santa Paolina has seen a significant decline over the last several decades. As of 2014, the municipality had a population of 1,360 residents, a sharp decrease from the 2,487 people recorded in 1951.