Old Orchard is a census-designated place (CDP) in Palmer Township, Northampton County, Pennsylvania, United States. It is located in the Lehigh Valley region of the state.As of the 2010 census, Old Orchard had a total population of 2,434.GeographyOld Orchard is located at .According to the United States Census Bureau, the CDP has a total area of 0.6sqmi, all of it land.DemographicsAs of the census of 2000, there were 2,443 people, 926 households, and 752 families residing in the CDP. The population density was 3,797.6 people per square mile (1,473.8/km2). There were 940 housing units at an average density of 1,461.2/sq mi (567.1/km2). The racial makeup of the CDP was 96.19% White, 1.15% African American, 0.12% Native American, 1.56% Asian, 0.20% from other races, and 0.78% from two or more races. Hispanic or Latino of any race were 0.74% of the population.
