![PITTSBURGH, USA - JUNE 30, 2013: Skyline view of Pittsburgh. It is the 2nd largest city of Pennsylvania with population of 305,841 Stock Photo - Alamy PITTSBURGH, USA - JUNE 30, 2013: Skyline view of Pittsburgh. It is the 2nd largest city of Pennsylvania with population of 305,841 Stock Photo - Alamy](https://c8.alamy.com/comp/R9XD8P/pittsburgh-usa-june-30-2013-skyline-view-of-pittsburgh-it-is-the-2nd-largest-city-of-pennsylvania-with-population-of-305841-R9XD8P.jpg)
PITTSBURGH, USA - JUNE 30, 2013: Skyline view of Pittsburgh. It is the 2nd largest city of Pennsylvania with population of 305,841 Stock Photo - Alamy
![Allegheny County gains population for first time in six decades, says census | News | Pittsburgh | Pittsburgh City Paper Allegheny County gains population for first time in six decades, says census | News | Pittsburgh | Pittsburgh City Paper](https://media1.fdncms.com/pittsburgh/imager/u/slideshow/20001917/pittsburgh-alleghenycounty-growth-population-teaser.jpg)
Allegheny County gains population for first time in six decades, says census | News | Pittsburgh | Pittsburgh City Paper
![Population of Pittsburgh, PA, and percent change, 1910-2010. Source:... | Download Scientific Diagram Population of Pittsburgh, PA, and percent change, 1910-2010. Source:... | Download Scientific Diagram](https://www.researchgate.net/profile/Sabina-Deitrick-2/publication/301198842/figure/fig1/AS:349665838026752@1460378240445/Population-of-Pittsburgh-PA-and-percent-change-1910-2010-Source-US-Bureau-of-the_Q640.jpg)
Population of Pittsburgh, PA, and percent change, 1910-2010. Source:... | Download Scientific Diagram
![Pittsburgh metro area's population remained relatively unchanged in the year ended July 1, 2014, at 2,355,968. - Pittsburgh Business Times Pittsburgh metro area's population remained relatively unchanged in the year ended July 1, 2014, at 2,355,968. - Pittsburgh Business Times](http://media.bizj.us/view/img/1953741/downtown-pittsburgh-skyline-10-21-2010-copy*1200xx2400-1350-0-110.jpg)