The Mifflinburg Area School District is a small, rural, public school district serving western Union County, Pennsylvania. Centered on the borough of Mifflinburg, it also serves Buffalo Township, New Berlin, Limestone Township, West Buffalo Township, Lewis Township, Hartleton, and Hartley Township. Mifflinburg Area School District encompasses approximately 217 square miles (560 km2). According to 2000 United States Census data, the district served a resident population of 17,867. By 2010, Mifflinburg Area School District's population declined to 16,366 people. The educational attainment levels for the Mifflinburg Area School District population (25 years old and over) were 81.5% high school graduates and 17.5% college graduates. The region has a large Amish community who do not attend scho