2026 comparison
Chelles (77) vs Gagny: 2026 comparison
Chelles has more inhabitants than Gagny: 54,900 versus 42,524, or 29% more. Chelles covers a larger area (15.9 km² versus 6.8 km²), but Gagny is more densely populated: 6,226 inhabitants per km² versus 3,453.
The median apartment price is higher in Chelles: €3,661 per m² versus €3,468. The median standard of living is higher in Chelles (€26,290 a year versus €25,630).
The two cities are 3.7 km apart as the crow flies, in the same urban unit (Paris).
Chelles
City in Seine-et-Marne
FSeine-et-Marne77Île-de-France
- Population
- 54,900 inhab.
- 115th in France · 2nd in its department
- Area
- 15.9 km²
- Density
- 3,453 per km²
Gagny
City in Seine-Saint-Denis
FSeine-Saint-Denis93Île-de-France
- Population
- 42,524 inhab.
- 185th in France · 19th in its department
- Area
- 6.8 km²
- Density
- 6,226 per km²
Population
Population and demographics
Municipal population since 1876
ChellesGagny
| Criterion | Chelles | Gagny | Difference |
|---|---|---|---|
| Population inhab.More populous: Chelles+29% | 54,900 | 42,524 | More populous: Chelles+29% |
| Change over 5 yearsStronger growth: Gagny+7.8 pts | −1.0% | +6.8% | Stronger growth: Gagny+7.8 pts |
| Change over 10 yearsStronger growth: Gagny+5.8 pts | +2.0% | +7.7% | Stronger growth: Gagny+5.8 pts |
| Density per km²Denser: Gagny+80% | 3,453 | 6,226 | Denser: Gagny+80% |
| Under 15More young people: Gagny+0.8 pt | 20.4% | 21.3% | More young people: Gagny+0.8 pt |
| 65 and overMore seniors: Chelles+2.9 pts | 16.4% | 13.5% | More seniors: Chelles+2.9 pts |
| People per householdLarger households: Gagny+0.16 | 2.38 | 2.54 | Larger households: Gagny+0.16 |
Sources: INSEE, official population figures, INSEE, censuses, INSEE, census
Housing
Real estate prices and housing
| Criterion | Chelles | Gagny | Difference |
|---|---|---|---|
| Median apartment price €/m²More expensive: Chelles+6% | 3,661 | 3,468 | More expensive: Chelles+6% |
| Median house price €/m²More expensive: Gagny+2% | 3,837 | 3,896 | More expensive: Gagny+2% |
| Apartment rent €/m² per month, utilities includedMore expensive: Gagny+1% | 18.3 | 18.6 | More expensive: Gagny+1% |
| House rent €/m² per month, utilities includedTie | 16.1 | 16.1 | Tie |
| Homeowner householdsMore homeowners: Gagny+1.0 pt | 55.7% | 56.6% | More homeowners: Gagny+1.0 pt |
| Share of housesMore houses: Gagny+2.6 pts | 41.3% | 43.9% | More houses: Gagny+2.6 pts |
| Social housing (SRU law) share of primary residencesMore social housing: Chelles+1.9 pt | 24.7% | 22.8% | More social housing: Chelles+1.9 pt |
| Second homesMore second homes: Chelles+0.3 pt | 1.4% | 1.1% | More second homes: Chelles+0.3 pt |
| Vacant homesMore vacant homes: Chelles+0.9 pt | 5.6% | 4.7% | More vacant homes: Chelles+0.9 pt |
| Property tax (combined rate)Higher rate: Chelles+5.8 pts | 43.21% | 37.37% | Higher rate: Chelles+5.8 pts |
Sources: DGFiP (DVF), Ministry of Housing (rent map), INSEE, census, Ministry for the Ecological Transition (SRU), DGFiP, local taxation
Income and jobs
Residents’ income and jobs
| Criterion | Chelles | Gagny | Difference |
|---|---|---|---|
| Median standard of living €/yearHigher: Chelles+3% | 26,290 | 25,630 | Higher: Chelles+3% |
| Poverty rateHigher: Gagny+1.2 pt | 17.6% | 18.8% | Higher: Gagny+1.2 pt |
| Average taxable income per householdHigher: Chelles+3% | €32,248 | €31,296 | Higher: Chelles+3% |
| Households paying income taxMore taxpaying households: Chelles+2.0 pts | 51% | 49% | More taxpaying households: Chelles+2.0 pts |
| Activity rate (ages 15-64)Higher: Chelles+1.5 pt | 76.9% | 75.4% | Higher: Chelles+1.5 pt |
| Unemployment rate (census)Higher: Gagny+0.4 pt | 11.4% | 11.7% | Higher: Gagny+0.4 pt |
Sources: INSEE, Filosofi, DGFiP, income tax, INSEE, census
Local life
Town hall and fiber internet
| Criterion | Chelles | Gagny | Difference |
|---|---|---|---|
| Mayor | Brice Rabaste | Rolin Cranoly | |
| Political label of the mayor’s list (2026 local elections) | union of the right | miscellaneous right | |
| Premises with fiberBetter covered: Chelles+1.6 pt | 98% | 97% | Better covered: Chelles+1.6 pt |
Sources: Ministry of the Interior, register of elected officials, Ministry of the Interior, Arcep
Shops and facilities
Shops, leisure and transportation
| Criterion | Chelles | Gagny | Difference |
|---|---|---|---|
| Shops per 10,000 inhab.More shops per capita: Chelles+63% | 38.3210 in total | 23.5100 in total | More shops per capita: Chelles+63% |
| Food shops per 10,000 inhab.More per capita: Chelles+17% | 15.183 in total | 12.955 in total | More per capita: Chelles+17% |
| Restaurants per 10,000 inhab.More per capita: Chelles+28% | 22.2122 in total | 17.474 in total | More per capita: Chelles+28% |
| Sports facilities per 10,000 inhab.More per capita: Chelles+19% | 10.960 in total | 9.239 in total | More per capita: Chelles+19% |
| Cultural venues per 10,000 inhab.More per capita: Chelles+24% | 1.58 in total | 1.25 in total | More per capita: Chelles+24% |
| Hotels per 10,000 inhab.More per capita: Chelles+1.3 | 1.37 in total | 0.00 in total | More per capita: Chelles+1.3 |
| Passenger train stationsMore stations: Gagny+1 | 1 | 2 | More stations: Gagny+1 |
Number of facilities per 10,000 inhabitants (total count in small print). Source: INSEE, facilities database (BPE)
Health
Health care
| Criterion | Chelles | Gagny | Difference |
|---|---|---|---|
| Access to general practitioners visits/inhab./year localized potential accessibilityBetter access: Gagny+54% | 2.1 | 3.2 | Better access: Gagny+54% |
| General practitioners per 10,000 inhab.More per capita: Chelles3.8 times as high | 15.183 in total | 4.017 in total | More per capita: Chelles3.8 times as high |
| Medical specialists per 10,000 inhab.More per capita: Chelles5.6 times as high | 10.658 in total | 1.98 in total | More per capita: Chelles5.6 times as high |
| Dentists per 10,000 inhab.More per capita: Chelles+76% | 4.625 in total | 2.611 in total | More per capita: Chelles+76% |
| Pharmacies per 10,000 inhab.More per capita: Chelles+16% | 2.715 in total | 2.410 in total | More per capita: Chelles+16% |
| HospitalsMore facilities: Chelles+1 | 1 | 0 | More facilities: Chelles+1 |
Practitioners and facilities per 10,000 inhabitants (total count in small print); access to doctors includes those in neighboring communes. Sources: Ministry of Health (DREES), APL, INSEE, facilities database (BPE), Ministry of Health (Finess)
Education
Schools and colleges
| Criterion | Chelles | Gagny | Difference |
|---|---|---|---|
| Primary schoolsMore schools: Chelles+14 | 34 | 20 | More schools: Chelles+14 |
| Middle schoolsMore middle schools: Chelles+4 | 9 | 5 | More middle schools: Chelles+4 |
| High schoolsMore high schools: Chelles+5 | 8 | 3 | More high schools: Chelles+5 |
| Higher education institutions and programsMore facilities: Chelles+1 | 1 | 0 | More facilities: Chelles+1 |
Sources: Ministry of Education, INSEE, facilities database (BPE)
Recorded crime
Offenses recorded by the police
| Criterion | Chelles | Gagny | Difference |
|---|---|---|---|
| Home burglaries per 1,000 homesHigher rate: Gagny+43% | 6.9 | 9.9 | Higher rate: Gagny+43% |
| Non-violent thefts per 1,000 inhab.Higher rate: Chelles+30% | 7.3 | 5.6 | Higher rate: Chelles+30% |
| Physical violence outside the family per 1,000 inhab.Higher rate: Chelles+34% | 3.8 | 2.9 | Higher rate: Chelles+34% |
| Vehicle thefts per 1,000 inhab.Higher rate: Gagny+4% | 1.9 | 2.0 | Higher rate: Gagny+4% |
| Vandalism and property damage per 1,000 inhab.Higher rate: Gagny+10% | 6.2 | 6.8 | Higher rate: Gagny+10% |
Offenses recorded in the commune by the police and gendarmerie, per 1,000 inhabitants (per 1,000 homes for burglaries); this is not the actual crime level. Rates for the latest published year. Source: Ministry of the Interior (SSMSI)
Natural hazards
Natural disasters and prevention
| Criterion | Chelles | Gagny | Difference |
|---|---|---|---|
| Natural disasters declared since 1982More declarations: Chelles+8 | 28 | 20 | More declarations: Chelles+8 |
| Natural hazard prevention plansMore plans: Gagny+1 | 1 | 2 | More plans: Gagny+1 |
| Radon potentialSame | Low | Low | Same |
Sources: Géorisques (GASPAR), IRSN
Land
Area, terrain and administrative areas
| Criterion | Chelles | Gagny | Difference |
|---|---|---|---|
| Area km²Larger: Chelles2.3 times as high | 15.9 | 6.83 | Larger: Chelles2.3 times as high |
| Town hall elevationHigher: Gagny+24 m | 41 m | 65 m | Higher: Gagny+24 m |
| Coastal communeSame | No | No | Same |
| Density grid (INSEE)Same | Large urban centre | Large urban centre | Same |
| Department | Seine-et-Marne (77) | Seine-Saint-Denis (93) | |
| Intercommunality | Communauté d'agglomération Paris - Vallée de la Marne | Métropole du Grand Paris | |
| Urban unitSame | Paris | Paris | Same |
| Functional areaSame | Paris | Paris | Same |
Sources: IGN, IGN, elevation, Ministry for the Ecological Transition, Loi Littoral, INSEE, density grid, INSEE, COG, INSEE, geographic classifications
Summary
Chelles (77) vs Gagny at a glance
| Criterion | Chelles | Gagny |
|---|---|---|
| Population inhab. | 54,900 | 42,524 |
| Change over 10 years | +2.0% | +7.7% |
| Density per km² | 3,453 | 6,226 |
| Median apartment price €/m² | 3,661 | 3,468 |
| Median house price €/m² | 3,837 | 3,896 |
| Apartment rent €/m² | 18.3 | 18.6 |
| Property tax (combined rate) | 43.21% | 37.37% |
| Median standard of living €/year | 26,290 | 25,630 |
| Unemployment rate (census) | 11.4% | 11.7% |
| Premises with fiber | 98% | 97% |
| Access to general practitioners visits/inhab./year | 2.1 | 3.2 |
| Home burglaries per 1,000 homes | 6.9 | 9.9 |
| Average temperature | 12.3°C | 12.3°C |
| Sunshine h/year | 1,634 | 1,634 |
| Area km² | 15.9 | 6.83 |
More comparisons
Compare with other towns
FAQ
Chelles (77) vs Gagny: your questions
Which is the larger city, Chelles or Gagny?
By population, Chelles: 54,900 inhabitants versus 42,524 for Gagny (official population figures in force on January 1, 2026). Chelles is the 115th largest city in France, Gagny the 185th. By area, Chelles is also the larger (15.9 km²).
How far is Chelles from Gagny?
Chelles and Gagny are 3.7 km apart as the crow flies, between the centers of the two communes.
Where is real estate more expensive, in Chelles or Gagny?
To buy an apartment, Chelles is more expensive: €3,661 per m² (median price), versus €3,468 in Gagny (+6%). Median prices of sales over the last five years (DGFiP, DVF).
Where is the standard of living higher, in Chelles or Gagny?
In Chelles, half of the residents have a standard of living above €26,290 a year, versus €25,630 in Gagny (disposable income per consumption unit, INSEE).
Are Chelles and Gagny in the same department?
No: Chelles is in Seine-et-Marne (77), and Gagny in Seine-Saint-Denis (93), both in the Île-de-France region.
Official population figures in force on January 1, 2026. Source: INSEE, official population figures