The Gateway School District is a large, suburban, public school district located in Monroeville, Pennsylvania. It also serves residents of Pitcairn. Gateway School District encompasses approximately 19 square miles (49 km2). Per the 2000 federal census data, the Gateway School District serves a resident population of 33,038. By 2010, the district's population was 31,686 people. In 2009, the District residents' per capita income was $22,998, while the median family income was $51,250. In the Commonwealth, the median family income was $49,501 and the United States median family income was $49,445, in 2010. By 2013, the median household income in the United States rose to $52,100.