Location: North-central Baltimore City, partially bounded by Charles Village to the south, Loyola/Notre Dame to the north and York Road to the east.
Average home listing price: $610,000 in 2013, says Tom Hobbs, president of the Guilford Association.
Population: About 3,000, says Lynda Riley, secretary of the Guilford Association.
The history: Named in honor of the 1781 Battle of Guilford Courthouse in North Carolina, the 296-acre estate passed from the family of Revolutionary War veteran William McDonald to Baltimore Sun founder Arunah S. Abell and eventually to the Roland Park Co. in 1911. General...