Dayton — UN urban centre
Dayton: 136,938 people. Reference: 2025 annual estimate · World rank #4,450 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 7905; 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: 39.7511, -84.1731. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 141,776 | Estimate |
| 1980 | 117,473 | Estimate |
| 1985 | 118,125 | Estimate |
| 1990 | 118,369 | Estimate |
| 1995 | 134,716 | Estimate |
| 2000 | 141,944 | Estimate |
| 2005 | 137,792 | Estimate |
| 2010 | 133,931 | Estimate |
| 2015 | 130,140 | Estimate |
| 2020 | 136,395 | Estimate |
| 2025 | 136,938 | Estimate |
| 2030 | 137,691 | Projection |
| 2035 | 138,253 | Projection |
| 2040 | 138,544 | Projection |
| 2045 | 138,734 | Projection |
| 2050 | 138,498 | 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.