This release provides the seventh set of municipal estimates to be released by the Census Bureau since the 2010 Census.
Population Change by Municipality
Statewide most municipal growth from 2010 to 2017 has occurred in urban and suburban areas of the southeastern and southcentral portions of the state, with pockets of growth surrounding State College and the city of Pittsburgh. Townships gained an average of 62.6 persons while boroughs lost an average of 26.3 persons and cities lost an average of 395.8 persons.
Over a third (553) of Pennsylvania’s 1,547 townships increased in population since 2010. Upper Macungie Township in Lehigh County had the highest increase in terms of numeric growth from 2010 to 2017 (Table 3). Upper Merion Township in Montgomery County had the highest numeric growth from 2016 to 2017 with an increase in 1,821 persons and a percent increase of 6.4 percent.
Silver Spring had the second highest numeric population change in PA between 2010 and 2017
Nearly two-thirds (985) of townships in Pennsylvania decreased in population since 2010. Hempfield Township in Westmoreland County experienced the greatest loss numerically since 2010 (Table 4). From 2016 to 2017, however, Kelly Township of Union County lost the most population with a decrease of 727 persons (13.1 percent).