Denver — UN urban centre
Denver: 2,265,994 people. Reference: 2025 annual estimate · World rank #221 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 6032; territory: United States (USA). UN source workbook.
Method: Degree of Urbanisation (contiguous 1 km2 cells, density 1,500+ people/km2, total 50,000+). This is a source-defined urban centre, not a municipality or province. No association with a separate administrative entity is inferred from proximity or name.
Source centroid: 39.7231, -104.968. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 180,856 | Estimate |
| 1980 | 343,741 | Estimate |
| 1985 | 458,833 | Estimate |
| 1990 | 481,665 | Estimate |
| 1995 | 772,730 | Estimate |
| 2000 | 1,230,902 | Estimate |
| 2005 | 1,368,538 | Estimate |
| 2010 | 1,619,072 | Estimate |
| 2015 | 1,837,166 | Estimate |
| 2020 | 2,146,302 | Estimate |
| 2025 | 2,265,994 | Estimate |
| 2030 | 2,363,121 | Projection |
| 2035 | 2,454,316 | Projection |
| 2040 | 2,539,627 | Projection |
| 2045 | 2,632,985 | Projection |
| 2050 | 2,718,122 | Projection |
Largest UN urban centres · Fastest-growing urban centres
What changed during your lifetime?
Turn these figures into a private, five-scene personal world story.
Use this source record with the right definition
This page is a structured reference entry. Its sources, geographic definition and reference dates determine what the figures mean; it is not independent reporting about the causes of change. Read the accompanying explanation before comparing different places or vintages.