40.12472222, -75.16638889
Upper Dublin Township is a township in Montgomery County, Pennsylvania, United States. The population was 25,569 at the 2010 census. Until the 1950s, Upper Dublin was mostly farmland and open space, but transitioned to a residential suburb during the postwar population boom. The population went from just over 6,000 residents in the 1950s to just under 20,000 by 1970. Today, Upper Dublin is mostly spread-out development housing, and has the fourth highest median income in Montgomery County.Upper Dublin is made up of several community areas, many of which are unincorporated areas in Montgomery County with no legal status, and are used primarily by the US Postal Service. These community areas are portions of Abington (19001), Ambler (19002) (excluding the Borough of Ambler), Ardsley (19038), Dresher (19025), Fort Washington (19034), Jarrettown (19025), Maple Glen (19002), North Hills (19038), Oreland (19075), and Willow Grove (19090).