San Nicolás de los Arroyos — UN urban centre
San Nicolás de los Arroyos: 140,033 people. Reference: 2025 annual estimate · World rank #4,358 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 3886; territory: Argentina (ARG). 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: -33.3424, -60.2161. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 78,294 | Estimate |
| 1980 | 81,917 | Estimate |
| 1985 | 88,720 | Estimate |
| 1990 | 95,215 | Estimate |
| 1995 | 105,470 | Estimate |
| 2000 | 111,923 | Estimate |
| 2005 | 115,422 | Estimate |
| 2010 | 116,910 | Estimate |
| 2015 | 127,374 | Estimate |
| 2020 | 138,160 | Estimate |
| 2025 | 140,033 | Estimate |
| 2030 | 142,414 | Projection |
| 2035 | 144,297 | Projection |
| 2040 | 148,110 | Projection |
| 2045 | 149,271 | Projection |
| 2050 | 149,635 | Projection |
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