Source Data Reference for:
City = Philadelphia
Time = 2000
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Philadelphia | 1975 | 5,200,000 | Tertius Chandler | Four thousand years of urban growth | p511 | ||
| Philadelphia | 1975 | 5,275,000 | Tertius Chandler | Four thousand years of urban growth | p530 | ||
| Philadelphia | 1975 | 5,275,000 | Tertius Chandler | Four thousand years of urban growth | p535 | ||
| Philadelphia | 2000 | 5,965,343 | n/a | National Census Authority | MSA | ||
| Philadelphia | 2010 | 5,626,000 | United Nations | World Urbanization Prospects Report | |||
| Philadelphia | 2011 | 5,340,000 | n/a | National Census Authority | |||
| Philadelphia | 2012 | 5,474,000 | n/a | Demographia Wolrd Urban Areas 8th Annual Edition Version 2 |