Boyertown is a borough in Berks County, Pennsylvania, United States. The population was 3,940 at the 2000 census.
According to the United States Census Bureau, the borough has a total area of 0.8 square miles (2.1 km²), all of it land.
As of the census of 2000, there were 3,940 people, 1,805 households, and 1,025 families residing in the borough. The population density was 4,941.7 people per square mile (1,901.6/km²). There were 1,885 housing units at an average density of 2,364.2 per square mile (909.8/km²). The racial makeup of the borough was 98.83% White, 0.20% African American, 0.03% Native American, 0.36% Asian, 0.13% from other races, and 0.46% from two or more races. Hispanic or Latino of any race were 0.74% of the population.