Houston — UN urban centre
Houston: 3,955,046 people. Reference: 2025 annual estimate · World rank #115 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 6237; 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: 29.7464, -95.4677. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 106,945 | Estimate |
| 1980 | 200,144 | Estimate |
| 1985 | 292,699 | Estimate |
| 1990 | 526,804 | Estimate |
| 1995 | 909,993 | Estimate |
| 2000 | 1,229,002 | Estimate |
| 2005 | 1,618,990 | Estimate |
| 2010 | 2,207,141 | Estimate |
| 2015 | 2,807,762 | Estimate |
| 2020 | 3,440,006 | Estimate |
| 2025 | 3,955,046 | Estimate |
| 2030 | 4,282,090 | Projection |
| 2035 | 4,654,323 | Projection |
| 2040 | 4,967,488 | Projection |
| 2045 | 5,233,130 | Projection |
| 2050 | 5,479,773 | Projection |
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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.