Rosny sur Seine (Rosny-sur-Seine), Île-de-France
Rosny sur Seine: Commune in Yvelines, France
About
Quick Facts about Rosny-sur-Seine
| Population : | 6,433 |
| Country : | France |
| State : | Île-de-France (France) |
| County : | Yvelines |
| Head of government : | Mayor of Rosny-sur-Seine |
| Twitter username : | RosnysurSeine78 |
| Postal code : | 78710 |
| Area : | 19.36 km2 |
| Official name : | Rosny-sur-Seine |
| Named for : | Seine |
| Male population : | 3112 |
| Female population : | 3321 |
| Altitude : | 98 feet / 30 meters |
| Time Zone : | UTC+01:00, UTC+02:00 |
| Local time : | 04:07:02 (7th December 2025) |
Geography
Rosny-sur-Seine is located at 48°59'53"N 1°37'53"E (48.9980800, 1.6313000). It has 3 neighbors: Mantes la Jolie, Buchelay and Bonnieres sur Seine.
Rosny sur Seine map
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- Official Website
Official website of Rosny-sur-Seine
Pierre-Yves Dumoulin ,
Rosny-sur-Seine has 3 neighbours.
- Mantes-la-Jolie commune in Yvelines, France
- Buchelay commune in Yvelines, France
- Bonnières-sur-Seine commune in Yvelines, France
Demographics
| Year | Population | % Change | Method |
| 2013 | 5,766 | - | census |
| 2015 | 6,185 | 6.77% | census |
| 2016 | 6,263 | 1.25% | census |
| 2017 | 6,433 | 2.64% | census |
Roni-sjur-Sen, Rosny, Rosny-sur-Seine, Рони-сюр-Сен, Роні-сюр-Сен
