According to the 2014 United States Census estimates, there were 1,560,297 people residing in the City of Philadelphia, representing a 2.2% increase since 2010. From the 1960s up until 2006, the city's population declined year after year. It eventually reached a low of 1,488,710 residents in 2006 before beginning to rise again. Since 2006, Philadelphia added 71,587 residents in eight years. A study done by the city projected that the population would increase to about 1,630,000 residents by 2035, an increase of about 100,000 from 2010.