Oxon Hill-Glassmanor Census Designated Place (historical) is a census located in Prince George's County, Maryland. It appears on the Anacostia USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 160.76 feet (49.00 m) above sea level. The nearest populated place is Rosecroft Park, approximately 0.2 miles to the ESE.