Biddeford is a city in York County, Maine, United States. It is the largest city in the county, and is the 6th largest in the State. It is the most southerly incorporated city in the State of Maine and the principal commercial center of York County. The population was 20,942 at the 2000 census. Biddeford includes the resort community of Biddeford Pool, Fortunes Rocks, and Granite Point. The city is home to the University of New England and the annual La Kermesse Franco-Americaine Festival. Biddeford is a principal city of the Portland-South Portland-Biddeford Metropolitan Statistical Area.