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Rosny-sur-Seine, France
Île-de-France · France
Rosny-sur-Seine is a small town in Île-de-France, France with a population of 4,936. Elevation: 115 ft (35 m). Average temperature: 54°F (12°C).
Data updated June 2026
Discover Rosny-sur-Seine, France
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About Rosny-sur-Seine
Rosny-sur-Seine is a commune in the Yvelines department in the Île-de-France in north-central France.
People
Economy
DHousing
C+Climate
| Population | 4,936 |
| Population Density | 661 / sq mi |
| Elevation | 115 ft (35 m) |
| Coordinates | 48.9981°, 1.6313° |
| Timezone | Europe/Paris |
| Country | 🇫🇷 France |
| State / Province | Île-de-France |
| Average Temperature | 54°F (12°C) |
| January Average | 42°F (6°C) |
| July Average | 67°F (19°C) |
| Annual Precipitation | 34.1 inches (866 mm) |
| Annual Snowfall | 1.4 inches (4 cm) |
| Median Household Income | $24,224 |
About Rosny-sur-Seine
Rosny-sur-Seine is a small town in France (Île-de-France) with a population of 4,936. The city sits at an elevation of 115 feet (35 meters) above sea level. The average annual temperature is 54°F (12°C). Temperatures range from 42°F in January to 67°F in July. Annual precipitation averages 34.1 inches. The timezone is Europe/Paris.
Income: Rosny-sur-Seine vs France
Commute Mode
Income
| Median HH Income | $24,224 |
| 68% below France avg |
Employment & Poverty
| Unemployment | 14.5% |
| 303% above France avg | |
| Poverty Rate | 16.0% |
| 29% above France avg | |
| Establishments (County) | 296 |
Business (County)
Tax & Cost of Living
Commute & Transportation
Walkability
Home Value Sources
Ownership Split
Home Values
| Census Median | $159,600 |
| 43% below France avg |
Real Estate Market (Redfin)
Rental Costs
| Census Median Rent | $798 |
| 31% below France avg | |
| Rent Burden | 28.2% |
Ownership & Property
| Housing Units | 1,974 |
Property Tax
Temperature
| Annual Average | 54.4°F |
| 1% above France avg | |
| January Average | 42°F (6°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 231 days/yr |
Geography
| Elevation | 115 ft (35 m) |
| Area | 7.5 sq mi (19.3 km²) |
| Population Density | 661/sq mi |
| Coordinates | 48.9981°N, 1.6313°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 2.1 in | |
| February | 39°F (4°C) | 2.0 in | Coldest |
| March | 44°F (7°C) | 1.8 in | Driest |
| April | 48°F (9°C) | 1.9 in | |
| May | 55°F (13°C) | 2.1 in | |
| June | 60°F (15°C) | 2.1 in | |
| July | 67°F (19°C) | 2.0 in | Warmest |
| August | 65°F (18°C) | 1.8 in | |
| September | 59°F (15°C) | 1.9 in | |
| October | 52°F (11°C) | 2.6 in | Wettest |
| November | 44°F (7°C) | 2.1 in | |
| December | 40°F (5°C) | 2.4 in |
Rosny-sur-Seine has a seasonal temperature swing of 27°F / from 39°F in February to 67°F in July. Total annual precipitation is 24.7 inches, with October being the wettest month (2.6") and March the driest (1.8").
Schools in Rosny-sur-Seine
5 public schools (NCES 2022-23 data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| Collège Sully | - | - | - | - |
| École primaire La Justice | - | - | - | - |
| École maternelle Les Baronnes | - | - | - | - |
| École maternelle Arc en Ciel | - | - | - | - |
| École élémentaire Les Baronnes | - | - | - | - |
Radio Stations near Rosny-sur-Seine
17 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| La Grosse Radio Reggae | music, reggae | MP3 192 kbps | |
| La Grosse Radio Rock | rock | MP3 192 kbps | |
| behary laul sirder | tropical | MP3 128 kbps | |
| La Grosse Radio METAL - 192 kbit/s | metal | MP3 192 kbps | |
| Radio Mercure | - | MP3 256 kbps | |
| bls Guyane | tropical music | MP3 128 kbps | |
| Rock STation | - | MP3 192 kbps | |
| VINYLTIMES | - | MP3 192 kbps | |
| Radio Partage | - | MP3 320 kbps | |
| La Grosse Radio METAL | black metal, death metal | MP3 192 kbps | |
| Evasion | - | MP3 128 kbps | |
| Sensations Yvelines | - | MP3 192 kbps | |
| Radio Grand Ciel | christian | MP3 128 kbps | |
| Vinylestimes | classic rock, hard rock | MP3 192 kbps | |
| Principe Actif | - | MP3 128 kbps | |
| Kizrock Métal | - | MP3 128 kbps | |
| La Grosse Radio Metal - Hard Heavy | - | MP3 192 kbps |
Museums in Rosny-sur-Seine
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Ancien musée de la Seconde Guerre Mondiale | ||||
| Espace d'exposition Christian Broutin « Le Grain de Sel » | ||||
| Espace Nature | ||||
| Fondation Claude Monet | ||||
| Maison Louis Carré | ||||
| Maison-Musée Maurice Ravel | ||||
| Musée Archéologique Départemental | ||||
| Musée Blanche Hoschedé-Monet | ||||
| Musée de l'Ancienne Sparterie | ||||
| Musée de l'Hôtel Dieu | ||||
| Musée de l'Outil | ||||
| Musée de la Ballonnière et du Jamboree de 1947 | ||||
| Musee de mécanique naturelle | ||||
| Musée des impressionnismes | ||||
| Musée des instruments à vent | ||||
| Musée du cinéma Jean Delannoy | ||||
| Musée du Peigne et Parures | ||||
| Musée International d'Art Naïf | ||||
| Musée Nicolas Poussin | ||||
| Musée Novera Ahmed | ||||
| Musée Victor Aubert | ||||
| Museum Maison Jean Monnet |
Libraries in Rosny-sur-Seine
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Au plaisir de lire | 0.0 | |||||
| Bibliothèque | 0.0 | |||||
| Bibliothèque | 0.0 | |||||
| Bibliothèque Cécile Schaad | 0.0 | |||||
| Bibliothèque Charlotte | 0.0 | |||||
| Bibliothèque de la Barbacane | 0.0 | |||||
| Bibliothèque de Oinville | 0.0 | |||||
| Bibliothèque Municipale | 0.0 | |||||
| Bibliothèque municipale | 0.0 | |||||
| Bibliothèque Municipale | 0.0 | |||||
| Bibliothèque municipale de Gommecourt | 0.0 | |||||
| L'Embellie | 0.0 | |||||
| Les Mots Passants | 0.0 | |||||
| Médiathèque | 0.0 | |||||
| Médiathèque | 0.0 | |||||
| Médiathèque | 0.0 | |||||
| Médiathèque de Saint-Marcel | 0.0 | |||||
| Médiathèque de Vernon | 0.0 | |||||
| Médiathèque Georges Duhamel | 0.0 | |||||
| Médiathèque Louis Aragon | 0.0 | |||||
| Médiathèque Odette Dubarry | 0.0 | |||||
| Médiathèque Paul Valéry | 0.0 | |||||
| Médiathèque Pierre Amouroux | 0.0 | |||||
| Rose Bily | 0.0 |
Farmers Markets in Rosny-sur-Seine
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Epi Service | |||||
| Marché des Blanchères | |||||
| Marché du Val Fourré | |||||
| Paradis du Fruits | |||||
| Place du Marché |
Cafes in Rosny-sur-Seine
1 cafes within city radius - OpenStreetMap data
Monuments in Rosny-sur-Seine
1 monuments within city radius - OpenStreetMap data
Castles in Rosny-sur-Seine
1 castles within city radius - OpenStreetMap data
Veterinaries in Rosny-sur-Seine
1 veterinaries within city radius - OpenStreetMap data
Train Stations in Rosny-sur-Seine
1 train stations within city radius - OpenStreetMap data
Gas Stations in Rosny-sur-Seine
2 gas stations within city radius - OpenStreetMap data
Breweries in Rosny-sur-Seine
| Name | Type | Address | Phone | Website |
|---|---|---|---|---|
| Rolling's Bar |
Stadiums & Teams in Rosny-sur-Seine
| Team | League | Division |
|---|---|---|
Airports Near Rosny-sur-Seine
45 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Beauvais-Tillé airport | BVA | Large Airport |
| Paris-Orly Airport | ORY | Large Airport |
| Évreux-Fauville (BA 105) Air Base | EVX | Medium Airport |
| Pontoise-Cormeilles Aerodrome | POX | Medium Airport |
| Rouen Vallée de Seine Airport | URO | Medium Airport |
| Toussus-le-Noble Airport | TNF | Medium Airport |
| Vélizy-Villacoublay Air Base | VIY | Medium Airport |
| Avernes Paramotor Airfield | - | Small Airport |
| Bailleau Armenonville Airfield | - | Small Airport |
| Base Paramoteurs de Boigny-Méréville | - | Small Airport |
| Beynes Thiverval Airfield | - | Small Airport |
| Cerny-La Ferté Alais Airfield | - | Small Airport |
| Cesseville Ferme des Moulins Private Airfield | - | Small Airport |
| Champrond Le Petit Bois Landry Ultralight Airfield | - | Small Airport |
| Champseru Airfield | - | Small Airport |
| Chartres-Métropole Airfield | - | Small Airport |
| Chavenay-Villepreux Airfield | - | Small Airport |
| Dreux Vernouillet Airfield | - | Small Airport |
| Écrosnes ULM | - | Small Airport |
| Enghien-Moisselles Airfield | - | Small Airport |
| Étampes-Mondésir Airfield | - | Small Airport |
| Étrépagny Airfield | - | Small Airport |
| Flavacourt Ultralight Airfield | - | Small Airport |
| Fontaine Simon Airfield | - | Small Airport |
| Genevrelle à Maisse Airfield | - | Small Airport |
| Houville La Branche Airfield | - | Small Airport |
| La Ferme des Prés Airfield | - | Small Airport |
| La Fontaine au Berger Airfield | - | Small Airport |
| La Maison des Pionniers Airfield | - | Small Airport |
| La Saussaye Airfield | - | Small Airport |
| Les Ailes d'Eure et Loir Airfield | - | Small Airport |
| Les Mureaux Airfield | - | Small Airport |
| Les Noyers Ultralight Airfield | - | Small Airport |
| Loulappe Airfield | - | Small Airport |
| Mantes-Chérence Airfield | - | Small Airport |
| Mouy Airfield | - | Small Airport |
| Paramoteur Paris Ouest Airfield | - | Small Airport |
| Pavilly Airfield | - | Small Airport |
| Persan-Beaumont Airfield | - | Small Airport |
| Saint-André-de-l'Eure Airfield | - | Small Airport |
| Saint-Cyr-l'École Airport | - | Small Airport |
| Saint-Cyr-la-Campagne Airfield | - | Small Airport |
| Saint-Thibault Airfield | - | Small Airport |
| Thoiry Airfield | - | Small Airport |
| Val-de-Reuil Ultralight Airfield | - | Small Airport |
Post Offices in Rosny-sur-Seine
1 post offices.
| Post Office | Address |
|---|---|
| Rosny sur Seine |
Treatment Centers in Rosny-sur-Seine
1 treatment centers.
| Center | Type | Phone |
|---|---|---|
| Clinique du Château de Goussonville |
Churches & Religious Organizations in Rosny-sur-Seine
1 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Église Saint-Jean-Baptiste et Saint-Lubin |
Quick Facts
🇫🇷 About France
Public Holidays in France
11 public holidays this year
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Get ReportFrequently Asked Questions About Rosny-sur-Seine
What is the population of Rosny-sur-Seine?
Rosny-sur-Seine has a population of 4,936 residents and is located in France. The population density is 661 people per square mile, spread across 7.5 square miles.
Is Rosny-sur-Seine expensive to live in?
The median household income is $24,224, 68% below the national average of $75,149. The median home value is $159,600 (43% below the U.S. median). Renters pay a median of $798 per month, below the national average of $1,163. The home price-to-income ratio is 6.6x, which means housing is a stretch relative to local earnings.
What is the weather like in Rosny-sur-Seine?
Rosny-sur-Seine has a four-season climate with an average annual temperature of 54°F (12°C). Winter temperatures average 42°F in January, while summers reach an average of 67°F in July. The area receives 231 sunny days per year. Annual rainfall totals 34.1 inches, with 1.4 inches of snow.
How is the job market in Rosny-sur-Seine?
The job market in Rosny-sur-Seine faces challenges, with unemployment at 14.5% / significantly above the national rate of 3.6%. There are 296 business establishments in the area.
How much does housing cost in Rosny-sur-Seine?
The median home value in Rosny-sur-Seine is $159,600. For renters, the median monthly rent is $798.