The borough's Home Rule Charter was adopted in 1974, with a new municipal building being constructed in 1975. In 1980, the census placed Edinboro first in population growth in Erie County, with a population increase of 30% from 1970 to 1980 to a total of 6,324. The businesses in the borough continued to grow, and in 1983, Edinboro State College received accreditation by the state and was renamed Edinboro University of Pennsylvania. Between the 1980s and 2000s, Edinboro University has grown to be northwestern Pennsylvania's largest university and is a key factor in drawing people to the area. Today, Edinboro is known as a college town in the winter and lake resort during the summer.