Hamburg is a borough in Berks County, Pennsylvania, United States. The population was 4,289 at the 2010 census. The town is named after Hamburg, Germany.
Hamburg is located in northern Berks County at 40°33′0″N 75°59′0″W (40.556271, −75.982667), on the east bank of the Schuylkill River. It is bordered on the north, east, and south by Windsor Township and on the west, across the river, by West Hamburg in Tilden Township.
According to the United States Census Bureau, Hamburg has a total area of 1.9 square miles (5.0 km2), of which 1.9 square miles (4.9 km2) is land and 0.08 square miles (0.2 km2), or 3.55%, is water. It has a hot-summer humid continental climate (Dfa) and average monthly temperatures range from 28.4 °F in January to 73.4 °F in July.  The hardiness zone is 6b.
As of the census of 2000, there were 4,114 people, 1,824 households, and 1,156 families residing in the borough. The population density was 2,212.2 people per square mile (854.0/km2).