Source Data Reference for:
City = Portland (OR-USA)
Time = 2000
| City | Year | Size | Size Comment | Year Comment | Author | Title | Location |
|---|---|---|---|---|---|---|---|
| Portland (OR-USA) | 1975 | 1,077,000 | Tertius Chandler | Four thousand years of urban growth | p511 | ||
| Portland (OR-USA) | 2000 | 2,226,009 | n/a | National Census Authority | MSA | ||
| Portland (OR-USA) | 2012 | 1,903,000 | n/a | Demographia Wolrd Urban Areas 8th Annual Edition Version 2 |