Home›More›Articles›The Consolidation Act That Made Philadelphia County-SizedArticleThe Consolidation Act That Made Philadelphia County-SizedArticlesConnectionsSourcesComments (0)Reader Challenges (0)ConnectionsArticle OnPhiladelphia, Cities Well-attested SourcesPhiladelphia (Wikipedia)tier 2Wikimedia FoundationHistory section, 19th centuryQuote, History section, 19th centuryThe rise in population of the surrounding districts helped lead to the Act of Consolidation of 1854, which extended the city limits from the 2 square miles (5.2 km2) of Center City to the roughly 134 square miles (350 km2) of Philadelphia County.View the SourceAtlas Article VocabularyComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.