Your County at a Glance



According to the 2000 Census, there were 550,864 people, 206,320 households, and 139,472 families residing in Delaware County's 184 square miles.

We are the 4th most populated county in the Commonwealth of Pennsylvania. We are comprised of 1 City, 21 Townships, and 27 Boroughs.  All have a municipal form of government in place with elected representatives that oversee the administration of their respective communities.

We are fortunate to enjoy:

  • Outstanding academic institutions
  • 49 unique municipalities
  • A highly skilled and educated workforce 
  • A superb geographic location

Websites we suggest for excellent resources and information: