Highland Park is a census-designated place (CDP) in Mifflin County, Pennsylvania, United States. The population was 1,446 at the 2000 census.General informationZIP Code: 17044Area Code: 717Local Phone Exchanges: 242, 247, 248School District: Mifflin County School DistrictGeographyHighland Park is located at .According to the United States Census Bureau, the CDP has a total area of 0.7sqmi, all of it land.DemographicsAs of the census of 2000, there were 1,446 people, 594 households, and 374 families residing in the CDP. The population density was 1,958.7 people per square mile (754.5/km2). There were 624 housing units at an average density of 845.3/sq mi (325.6/km2). The racial makeup of the CDP was 98.20% White, 0.35% African American, 0.41% Asian, 0.62% from other races, and 0.41% from two or more races. Hispanic or Latino of any race were 1.04% of the population.There were 594 households, out of which 22.6% had children under the age of 18 living with them, 53.2% were married couples living together, 7.2% had a female householder with no husband present, and 36.9% were non-families. 33.5% of all households were made up of individuals, and 20.0% had someone living alone who was 65 years of age or older. The average household size was 2.23 and the average family size was 2.81.
