Chidambaram — UN urban centre
Chidambaram: 260,607 people. Reference: 2025 annual estimate · World rank #2,241 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 10751; territory: India (IND). 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: 11.3978, 79.6956. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 115,242 | Estimate |
| 1980 | 119,574 | Estimate |
| 1985 | 124,629 | Estimate |
| 1990 | 129,882 | Estimate |
| 1995 | 163,602 | Estimate |
| 2000 | 201,405 | Estimate |
| 2005 | 217,057 | Estimate |
| 2010 | 238,007 | Estimate |
| 2015 | 250,784 | Estimate |
| 2020 | 254,976 | Estimate |
| 2025 | 260,607 | Estimate |
| 2030 | 266,242 | Projection |
| 2035 | 270,701 | Projection |
| 2040 | 273,502 | Projection |
| 2045 | 275,187 | Projection |
| 2050 | 275,216 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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