Usilampatti — UN urban centre
Usilampatti: 66,514 people. Reference: 2025 annual estimate · World rank #9,318 of 12,138 source urban centres. Source: UN DESA, World Urbanization Prospects 2025 (CC BY 3.0 IGO). Source identifier: 10227; 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: 9.9634, 77.7899. National context uses World Bank estimates, a separate series and geography; no national share is inferred here.
UN population series
| Year | People | Method |
|---|---|---|
| 1975 | 54,163 | Estimate |
| 1980 | 53,476 | Estimate |
| 1985 | 52,066 | Estimate |
| 1990 | 50,728 | Estimate |
| 1995 | 55,268 | Estimate |
| 2000 | 59,152 | Estimate |
| 2005 | 64,179 | Estimate |
| 2010 | 67,810 | Estimate |
| 2015 | 69,323 | Estimate |
| 2020 | 64,889 | Estimate |
| 2025 | 66,514 | Estimate |
| 2030 | 68,141 | Projection |
| 2035 | 69,503 | Projection |
| 2040 | 72,008 | Projection |
| 2045 | 77,179 | Projection |
| 2050 | 77,579 | Projection |
Largest UN urban centres · Fastest-growing urban centres
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