2026 comparison
Cergy vs Issy-les-Moulineaux: 2026 comparison
Cergy has more inhabitants than Issy-les-Moulineaux: 71,250 versus 68,449, or 4.1% more. Cergy covers a larger area (11.7 km² versus 4.3 km²), but Issy-les-Moulineaux is more densely populated: 16,106 inhabitants per km² versus 6,116.
The median apartment price is higher in Issy-les-Moulineaux: €8,020 per m² versus €3,320. The median standard of living is higher in Issy-les-Moulineaux (€37,740 a year versus €22,560).
The two cities are 29 km apart as the crow flies, in the same urban unit (Paris).
© L. Pages - Ville de Cergy, CC BY-SA 4.0
Cergy
City in Val-d'Oise
- Population
- 71,250 inhab.
- 74th in France · 2nd in its department
- Area
- 11.7 km²
- Density
- 6,116 per km²
© Guilhem Vellut from Paris, France, CC BY 2.0
.jpg){kind=link}
Issy-les-Moulineaux
City in Hauts-de-Seine
FHauts-de-Seine92Île-de-France
- Population
- 68,449 inhab.
- 76th in France · 8th in its department
- Area
- 4.3 km²
- Density
- 16,106 per km²
Population
Population and demographics
Municipal population since 1876
CergyIssy-les-Moulineaux
| Criterion | Cergy | Issy-les-Moulineaux | Difference |
|---|---|---|---|
| Population inhab.More populous: Cergy+4% | 71,250 | 68,449 | More populous: Cergy+4% |
| Change over 5 yearsStronger growth: Cergy+7.8 pts | +6.9% | −0.9% | Stronger growth: Cergy+7.8 pts |
| Change over 10 yearsStronger growth: Cergy+12 pts | +14.9% | +3.1% | Stronger growth: Cergy+12 pts |
| Density per km²Denser: Issy-les-Moulineaux2.6 times as high | 6,116 | 16,106 | Denser: Issy-les-Moulineaux2.6 times as high |
| Under 15More young people: Cergy+5.5 pts | 22.6% | 17.1% | More young people: Cergy+5.5 pts |
| 65 and overMore seniors: Issy-les-Moulineaux+5.3 pts | 9.1% | 14.4% | More seniors: Issy-les-Moulineaux+5.3 pts |
| People per householdLarger households: Cergy+0.34 | 2.41 | 2.07 | Larger households: Cergy+0.34 |
Sources: INSEE, official population figures, INSEE, censuses, INSEE, census
Housing
Real estate prices and housing
| Criterion | Cergy | Issy-les-Moulineaux | Difference |
|---|---|---|---|
| Median apartment price €/m²More expensive: Issy-les-Moulineaux2.4 times as high | 3,320 | 8,020 | More expensive: Issy-les-Moulineaux2.4 times as high |
| Median house price €/m²More expensive: Issy-les-Moulineaux3.1 times as high | 3,113 | 9,714 | More expensive: Issy-les-Moulineaux3.1 times as high |
| Apartment rent €/m² per month, utilities includedMore expensive: Issy-les-Moulineaux+51% | 18.5 | 27.9 | More expensive: Issy-les-Moulineaux+51% |
| House rent €/m² per month, utilities includedMore expensive: Issy-les-Moulineaux+54% | 16.5 | 25.4 | More expensive: Issy-les-Moulineaux+54% |
| Homeowner householdsMore homeowners: Issy-les-Moulineaux+9.9 pts | 30.9% | 40.8% | More homeowners: Issy-les-Moulineaux+9.9 pts |
| Share of housesMore houses: Cergy+10 pts | 15.8% | 5.4% | More houses: Cergy+10 pts |
| Social housing (SRU law) share of primary residencesMore social housing: Cergy+22 pts | 47.1% | 25.0% | More social housing: Cergy+22 pts |
| Second homesMore second homes: Issy-les-Moulineaux+2.2 pts | 4.4% | 6.6% | More second homes: Issy-les-Moulineaux+2.2 pts |
| Vacant homesMore vacant homes: Cergy+0.1 pt | 7.9% | 7.8% | More vacant homes: Cergy+0.1 pt |
| Property tax (combined rate)Higher rate: Cergy+23 pts | 47.54% | 24.70% | Higher rate: Cergy+23 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 | Cergy | Issy-les-Moulineaux | Difference |
|---|---|---|---|
| Median standard of living €/yearHigher: Issy-les-Moulineaux+67% | 22,560 | 37,740 | Higher: Issy-les-Moulineaux+67% |
| Poverty rateHigher: Cergy+16 pts | 24.9% | 9.4% | Higher: Cergy+16 pts |
| Average taxable income per householdHigher: Issy-les-Moulineaux2.3 times as high | €24,053 | €54,865 | Higher: Issy-les-Moulineaux2.3 times as high |
| Households paying income taxMore taxpaying households: Issy-les-Moulineaux+31 pts | 38% | 69% | More taxpaying households: Issy-les-Moulineaux+31 pts |
| Activity rate (ages 15-64)Higher: Issy-les-Moulineaux+10 pts | 72.1% | 82.5% | Higher: Issy-les-Moulineaux+10 pts |
| Unemployment rate (census)Higher: Cergy+7.6 pts | 15.1% | 7.5% | Higher: Cergy+7.6 pts |
Sources: INSEE, Filosofi, DGFiP, income tax, INSEE, census
Local life
Town hall and fiber internet
| Criterion | Cergy | Issy-les-Moulineaux | Difference |
|---|---|---|---|
| Mayor | Jean-Paul Jeandon | André Santini | |
| Political label of the mayor’s list (2026 local elections) | union of the left | union of the centre | |
| Premises with fiberBetter covered: Cergy+0.2 pt | 99% | 98% | Better covered: Cergy+0.2 pt |
Sources: Ministry of the Interior, register of elected officials, Ministry of the Interior, Arcep
Shops and facilities
Shops, leisure and transportation
| Criterion | Cergy | Issy-les-Moulineaux | Difference |
|---|---|---|---|
| Shops per 10,000 inhab.More shops per capita: Issy-les-Moulineaux+8% | 39.2279 in total | 42.2289 in total | More shops per capita: Issy-les-Moulineaux+8% |
| Food shops per 10,000 inhab.More per capita: Cergy+6% | 13.395 in total | 12.686 in total | More per capita: Cergy+6% |
| Restaurants per 10,000 inhab.More per capita: Issy-les-Moulineaux+18% | 30.6218 in total | 36.2248 in total | More per capita: Issy-les-Moulineaux+18% |
| Sports facilities per 10,000 inhab.More per capita: Cergy+11% | 14.6104 in total | 13.190 in total | More per capita: Cergy+11% |
| Cultural venues per 10,000 inhab.More per capita: Cergy+28% | 1.712 in total | 1.39 in total | More per capita: Cergy+28% |
| Hotels per 10,000 inhab.More per capita: Issy-les-Moulineaux+67% | 1.410 in total | 2.316 in total | More per capita: Issy-les-Moulineaux+67% |
| Passenger train stationsMore stations: Cergy+1 | 3 | 2 | More stations: Cergy+1 |
Number of facilities per 10,000 inhabitants (total count in small print). Source: INSEE, facilities database (BPE)
Health
Health care
| Criterion | Cergy | Issy-les-Moulineaux | Difference |
|---|---|---|---|
| Access to general practitioners visits/inhab./year localized potential accessibilityBetter access: Issy-les-Moulineaux+3% | 3.0 | 3.1 | Better access: Issy-les-Moulineaux+3% |
| General practitioners per 10,000 inhab.More per capita: Issy-les-Moulineaux+85% | 3.827 in total | 7.048 in total | More per capita: Issy-les-Moulineaux+85% |
| Medical specialists per 10,000 inhab.More per capita: Issy-les-Moulineaux3.6 times as high | 3.827 in total | 13.693 in total | More per capita: Issy-les-Moulineaux3.6 times as high |
| Dentists per 10,000 inhab.More per capita: Issy-les-Moulineaux+20% | 7.352 in total | 8.860 in total | More per capita: Issy-les-Moulineaux+20% |
| Pharmacies per 10,000 inhab.More per capita: Issy-les-Moulineaux+32% | 2.115 in total | 2.819 in total | More per capita: Issy-les-Moulineaux+32% |
| HospitalsMore facilities: Issy-les-Moulineaux+2 | 1 | 3 | More facilities: Issy-les-Moulineaux+2 |
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 | Cergy | Issy-les-Moulineaux | Difference |
|---|---|---|---|
| Primary schoolsMore schools: Cergy+26 | 53 | 27 | More schools: Cergy+26 |
| Middle schoolsMore middle schools: Cergy+4 | 10 | 6 | More middle schools: Cergy+4 |
| High schoolsMore high schools: Cergy+2 | 4 | 2 | More high schools: Cergy+2 |
| Higher education institutions and programsMore facilities: Cergy+19 | 27 | 8 | More facilities: Cergy+19 |
Sources: Ministry of Education, INSEE, facilities database (BPE)
Recorded crime
Offenses recorded by the police
| Criterion | Cergy | Issy-les-Moulineaux | Difference |
|---|---|---|---|
| Home burglaries per 1,000 homesHigher rate: Issy-les-Moulineaux+20% | 4.3 | 5.2 | Higher rate: Issy-les-Moulineaux+20% |
| Non-violent thefts per 1,000 inhab.Higher rate: Issy-les-Moulineaux+6% | 12.9 | 13.6 | Higher rate: Issy-les-Moulineaux+6% |
| Physical violence outside the family per 1,000 inhab.Higher rate: Cergy+54% | 3.3 | 2.2 | Higher rate: Cergy+54% |
| Vehicle thefts per 1,000 inhab.Higher rate: Cergy+55% | 2.9 | 1.8 | Higher rate: Cergy+55% |
| Vandalism and property damage per 1,000 inhab.Higher rate: Cergy+4% | 6.6 | 6.4 | Higher rate: Cergy+4% |
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)
Climate
Temperature, sunshine and rain
| Criterion | Cergy | Issy-les-Moulineaux | Difference |
|---|---|---|---|
| Average temperatureWarmer: Cergy+0.2 °C | 12.5°C | 12.3°C | Warmer: Cergy+0.2 °C |
| Sunshine h/year | — | 1,717 | |
| Rainfall mm/yearWetter: Cergy+17% | 667 | 571 | Wetter: Cergy+17% |
| Rainy days days/year at least 1 mmMore rainy days: Cergy+9 days/year | 115 | 106 | More rainy days: Cergy+9 days/year |
| Frost days days/yearMore frost days: Issy-les-Moulineaux+9 days/year | 35 | 43 | More frost days: Issy-les-Moulineaux+9 days/year |
| Very hot days days/year 30 °C or moreMore hot days: Cergy+2 days/year | 18 | 16 | More hot days: Cergy+2 days/year |
Climate normals from the reference Météo-France station of each commune. Source: Météo-France, climate normals
Natural hazards
Natural disasters and prevention
| Criterion | Cergy | Issy-les-Moulineaux | Difference |
|---|---|---|---|
| Natural disasters declared since 1982More declarations: Cergy+8 | 21 | 13 | More declarations: Cergy+8 |
| Natural hazard prevention plansTie | 2 | 2 | Tie |
| Radon potentialSame | Low | Low | Same |
Sources: Géorisques (GASPAR), IRSN
Land
Area, terrain and administrative areas
| Criterion | Cergy | Issy-les-Moulineaux | Difference |
|---|---|---|---|
| Area km²Larger: Cergy2.7 times as high | 11.7 | 4.25 | Larger: Cergy2.7 times as high |
| Town hall elevationHigher: Cergy+56 m | 94 m | 37 m | Higher: Cergy+56 m |
| Coastal communeSame | No | No | Same |
| Density grid (INSEE)Same | Large urban centre | Large urban centre | Same |
| Department | Val-d'Oise (95) | Hauts-de-Seine (92) | |
| Intercommunality | Communauté d'agglomération de Cergy-Pontoise | 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
Cergy vs Issy-les-Moulineaux at a glance
| Criterion | Cergy | Issy-les-Moulineaux |
|---|---|---|
| Population inhab. | 71,250 | 68,449 |
| Change over 10 years | +14.9% | +3.1% |
| Density per km² | 6,116 | 16,106 |
| Median apartment price €/m² | 3,320 | 8,020 |
| Median house price €/m² | 3,113 | 9,714 |
| Apartment rent €/m² | 18.5 | 27.9 |
| Property tax (combined rate) | 47.54% | 24.70% |
| Median standard of living €/year | 22,560 | 37,740 |
| Unemployment rate (census) | 15.1% | 7.5% |
| Premises with fiber | 99% | 98% |
| Access to general practitioners visits/inhab./year | 3.0 | 3.1 |
| Home burglaries per 1,000 homes | 4.3 | 5.2 |
| Average temperature | 12.5°C | 12.3°C |
| Sunshine h/year | — | 1,717 |
| Area km² | 11.7 | 4.25 |
More comparisons
Compare with other towns
FAQ
Cergy vs Issy-les-Moulineaux: your questions
Which is the larger city, Cergy or Issy-les-Moulineaux?
By population, Cergy: 71,250 inhabitants versus 68,449 for Issy-les-Moulineaux (official population figures in force on January 1, 2026). Cergy is the 74th largest city in France, Issy-les-Moulineaux the 76th. By area, Cergy is also the larger (11.7 km²).
How far is Cergy from Issy-les-Moulineaux?
Cergy and Issy-les-Moulineaux are 29 km apart as the crow flies, between the centers of the two communes.
Where is real estate more expensive, in Cergy or Issy-les-Moulineaux?
To buy an apartment, Issy-les-Moulineaux is more expensive: €8,020 per m² (median price), versus €3,320 in Cergy (+142%). Median prices of sales over the last five years (DGFiP, DVF).
Where is the standard of living higher, in Cergy or Issy-les-Moulineaux?
In Issy-les-Moulineaux, half of the residents have a standard of living above €37,740 a year, versus €22,560 in Cergy (disposable income per consumption unit, INSEE).
Are Cergy and Issy-les-Moulineaux in the same department?
No: Cergy is in Val-d'Oise (95), and Issy-les-Moulineaux in Hauts-de-Seine (92), both in the Île-de-France region.
Official population figures in force on January 1, 2026. Source: INSEE, official population figures