Municipalities in Cumberland and Lancaster counties had some of the largest increases in population from 2010 to 2012 among their peers in Pennsylvania, while Harrisburg was among the state's largest cities with population declines, according to new U.S. Census Bureau population estimates.
Mount Joy in Lancaster County grew by more people than any other borough in the state between April 1, 2010, and recently released July 1, 2012, population estimates, according to a news release from the Pennsylvania State Data Center at Penn State Harrisburg.
The borough increased by 438 people, or 5.9 percent. Overall in the state, the number of people living in boroughs declined by about 0.1 percent, according to the release.
The number of people in Silver Spring Township in Cumberland County grew by the fourth most in the state with an increase of 824 people, or 6 percent.
In Pennsylvania, the number of people in townships grew by 0.6 percent — the same as the population growth of people in cities.
Four of the top 10 cities in the state by population saw their numbers of people decline in the period, the release stated. Harrisburg was among them and lost 249 people in its population count.
Lancaster also is in the top 10 and went up by 38 people.