Midland is a census-designated place in Fauquier County, Virginia, United States. The population as of the 2010 census was 218. Midland is home to a post office with the local ZIP code of 22728. Midland is the closest community to the birthplace of John Marshall, the longest-serving Chief Justice in U.S. Supreme Court history. A small park honors his birthplace, with a marker placed where his home once stood.