Madisonburg is an unincorporated community and census-designated place (CDP) in Miles Township, Centre County, Pennsylvania, United States.

It is part of the State College, Pennsylvania Metropolitan Statistical Area.

[3] Madisonburg is located in eastern Centre County at 40°55′37″N 77°31′2″W / 40.92694°N 77.51722°W / 40.92694; -77.51722 (40.927049, -77.517123),[4] in the western part of Miles Township.

Pennsylvania Route 445 is the main street of the town, leading north across Nittany Mountain 7 miles (11 km) to Pennsylvania Route 64 in Nittany, which itself is 3 miles (5 km) southwest of Interstate 80.

According to the United States Census Bureau, Madisonburg has a total area of 0.08 square miles (0.20 km2), all land.