About Oxon Hill, MDOxon Hill is located in Maryland. Oxon Hill, Maryland has a population of 18,526. Oxon Hill is less family-centric than the surrounding county with 25% households with children. The county percentage for households with children is 29%. The median household income in Oxon Hill, Maryland is $70,670. The median household income for the surrounding county is $75,762 compared to the national median of $57,525. The median age of people living in Oxon Hill is 40.1 years. Oxon Hill WeatherThe average high temperature in July is 88.3 degrees, with an average low temperature in January of 27.3 degrees. The annual precipitation is 39.35. Oxon Hill MapReal Estate Near Oxon HillNearby CitiesNearby Cities Homes for Sale |