2026 comparison
Guyancourt vs Versailles: 2026 comparison
Versailles has more inhabitants than Guyancourt: 85,750 versus 30,226, or 2.8 times as many. Versailles is both larger (26.2 km² versus 13.0 km²) and more densely populated (3,275 inhabitants per km² versus 2,325).
The median apartment price is higher in Versailles: €6,829 per m² versus €3,942. The median standard of living is higher in Versailles (€38,530 a year versus €27,570).
The two cities are 4.7 km apart as the crow flies, in the same department and the same urban unit (Paris).
Guyancourt
City in Yvelines
- Population
- 30,226 inhab.
- 291st in France · 14th in its department
- Area
- 13.0 km²
- Density
- 2,325 per km²
Versailles
City in Yvelines
- Population
- 85,750 inhab.
- 56th in France · 1st in its department
- Area
- 26.2 km²
- Density
- 3,275 per km²
Population
Population and demographics
Municipal population since 1876
GuyancourtVersailles
| Criterion | Guyancourt | Versailles | Difference |
|---|---|---|---|
| Population inhab.More populous: Versailles2.8 times as high | 30,226 | 85,750 | More populous: Versailles2.8 times as high |
| Change over 5 yearsStronger growth: Guyancourt+2.9 pts | +1.5% | −1.4% | Stronger growth: Guyancourt+2.9 pts |
| Change over 10 yearsStronger growth: Guyancourt+9.5 pts | +8.1% | −1.4% | Stronger growth: Guyancourt+9.5 pts |
| Density per km²Denser: Versailles+41% | 2,325 | 3,275 | Denser: Versailles+41% |
| Under 15More young people: Guyancourt+4.7 pts | 22.5% | 17.8% | More young people: Guyancourt+4.7 pts |
| 65 and overMore seniors: Versailles+7.9 pts | 10.7% | 18.6% | More seniors: Versailles+7.9 pts |
| People per householdLarger households: Guyancourt+0.22 | 2.37 | 2.15 | Larger households: Guyancourt+0.22 |
Sources: INSEE, official population figures, INSEE, censuses, INSEE, census
Housing
Real estate prices and housing
| Criterion | Guyancourt | Versailles | Difference |
|---|---|---|---|
| Median apartment price €/m²More expensive: Versailles+73% | 3,942 | 6,829 | More expensive: Versailles+73% |
| Median house price €/m²More expensive: Versailles2.1 times as high | 4,285 | 9,059 | More expensive: Versailles2.1 times as high |
| Apartment rent €/m² per month, utilities includedMore expensive: Versailles+28% | 19.0 | 24.3 | More expensive: Versailles+28% |
| House rent €/m² per month, utilities includedMore expensive: Versailles+40% | 17.4 | 24.3 | More expensive: Versailles+40% |
| Homeowner householdsMore homeowners: Versailles+5.5 pts | 37.3% | 42.8% | More homeowners: Versailles+5.5 pts |
| Share of housesMore houses: Guyancourt+13 pts | 22.9% | 10.1% | More houses: Guyancourt+13 pts |
| Social housing (SRU law) share of primary residencesMore social housing: Guyancourt+31 pts | 53.5% | 22.9% | More social housing: Guyancourt+31 pts |
| Second homesMore second homes: Versailles+2.4 pts | 2.4% | 4.8% | More second homes: Versailles+2.4 pts |
| Vacant homesMore vacant homes: Versailles+3.3 pts | 4.7% | 8.0% | More vacant homes: Versailles+3.3 pts |
| Property tax (combined rate)Higher rate: Guyancourt+9.5 pts | 36.30% | 26.79% | Higher rate: Guyancourt+9.5 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 | Guyancourt | Versailles | Difference |
|---|---|---|---|
| Median standard of living €/yearHigher: Versailles+40% | 27,570 | 38,530 | Higher: Versailles+40% |
| Poverty rateHigher: Guyancourt+7.2 pts | 15.1% | 7.9% | Higher: Guyancourt+7.2 pts |
| Average taxable income per householdHigher: Versailles+74% | €36,206 | €63,037 | Higher: Versailles+74% |
| Households paying income taxMore taxpaying households: Versailles+12 pts | 55% | 68% | More taxpaying households: Versailles+12 pts |
| Activity rate (ages 15-64)Higher: Guyancourt+1.3 pt | 77.5% | 76.2% | Higher: Guyancourt+1.3 pt |
| Unemployment rate (census)Higher: Guyancourt+3.6 pts | 11.8% | 8.1% | Higher: Guyancourt+3.6 pts |
Sources: INSEE, Filosofi, DGFiP, income tax, INSEE, census
Local life
Town hall and fiber internet
| Criterion | Guyancourt | Versailles | Difference |
|---|---|---|---|
| Mayor | François Morton | François de Mazières | |
| Political label of the mayor’s list (2026 local elections) | miscellaneous left | miscellaneous right | |
| Premises with fiberBetter covered: Guyancourt+4.7 pts | 99% | 95% | Better covered: Guyancourt+4.7 pts |
Sources: Ministry of the Interior, register of elected officials, Ministry of the Interior, Arcep
Shops and facilities
Shops, leisure and transportation
| Criterion | Guyancourt | Versailles | Difference |
|---|---|---|---|
| Shops per 10,000 inhab.More shops per capita: Versailles2.8 times as high | 23.571 in total | 66.0566 in total | More shops per capita: Versailles2.8 times as high |
| Food shops per 10,000 inhab.More per capita: Versailles2.0 times as high | 10.933 in total | 22.2190 in total | More per capita: Versailles2.0 times as high |
| Restaurants per 10,000 inhab.More per capita: Versailles+88% | 21.866 in total | 41.0352 in total | More per capita: Versailles+88% |
| Sports facilities per 10,000 inhab.More per capita: Guyancourt+27% | 15.246 in total | 12.0103 in total | More per capita: Guyancourt+27% |
| Cultural venues per 10,000 inhab.Tie | 2.37 in total | 2.320 in total | Tie |
| Hotels per 10,000 inhab.More per capita: Versailles2.6 times as high | 0.72 in total | 1.715 in total | More per capita: Versailles2.6 times as high |
| Passenger train stationsMore stations: Versailles+5 | 0 | 5 | More stations: Versailles+5 |
Number of facilities per 10,000 inhabitants (total count in small print). Source: INSEE, facilities database (BPE)
Health
Health care
| Criterion | Guyancourt | Versailles | Difference |
|---|---|---|---|
| Access to general practitioners visits/inhab./year localized potential accessibilityBetter access: Guyancourt+9% | 3.0 | 2.7 | Better access: Guyancourt+9% |
| General practitioners per 10,000 inhab.More per capita: Versailles+78% | 5.316 in total | 9.481 in total | More per capita: Versailles+78% |
| Medical specialists per 10,000 inhab.More per capita: Versailles7.9 times as high | 3.611 in total | 28.7246 in total | More per capita: Versailles7.9 times as high |
| Dentists per 10,000 inhab.More per capita: Versailles+86% | 5.015 in total | 9.279 in total | More per capita: Versailles+86% |
| Pharmacies per 10,000 inhab.More per capita: Versailles+47% | 2.06 in total | 2.925 in total | More per capita: Versailles+47% |
| HospitalsMore facilities: Versailles+4 | 1 | 5 | More facilities: Versailles+4 |
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 | Guyancourt | Versailles | Difference |
|---|---|---|---|
| Primary schoolsMore schools: Versailles+19 | 24 | 43 | More schools: Versailles+19 |
| Middle schoolsMore middle schools: Versailles+7 | 4 | 11 | More middle schools: Versailles+7 |
| High schoolsMore high schools: Versailles+10 | 3 | 13 | More high schools: Versailles+10 |
| Higher education institutions and programsMore facilities: Versailles+21 | 4 | 25 | More facilities: Versailles+21 |
Sources: Ministry of Education, INSEE, facilities database (BPE)
Recorded crime
Offenses recorded by the police
| Criterion | Guyancourt | Versailles | Difference |
|---|---|---|---|
| Home burglaries per 1,000 homesHigher rate: Versailles+8% | 3.3 | 3.6 | Higher rate: Versailles+8% |
| Non-violent thefts per 1,000 inhab.Higher rate: Versailles+77% | 5.5 | 9.8 | Higher rate: Versailles+77% |
| Physical violence outside the family per 1,000 inhab.Higher rate: Versailles+5% | 2.5 | 2.6 | Higher rate: Versailles+5% |
| Vehicle thefts per 1,000 inhab.Higher rate: Guyancourt+40% | 1.6 | 1.2 | Higher rate: Guyancourt+40% |
| Vandalism and property damage per 1,000 inhab.Tie | 6.3 | 6.3 | Tie |
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 | Guyancourt | Versailles | Difference |
|---|---|---|---|
| Natural disasters declared since 1982More declarations: Versailles+3 | 10 | 13 | More declarations: Versailles+3 |
| Natural hazard prevention plansMore plans: Guyancourt+2 | 2 | 0 | More plans: Guyancourt+2 |
| Radon potentialSame | Low | Low | Same |
Sources: Géorisques (GASPAR), IRSN
Land
Area, terrain and administrative areas
| Criterion | Guyancourt | Versailles | Difference |
|---|---|---|---|
| Area km²Larger: Versailles2.0 times as high | 13.0 | 26.2 | Larger: Versailles2.0 times as high |
| Town hall elevationHigher: Guyancourt+29 m | 161 m | 132 m | Higher: Guyancourt+29 m |
| Coastal communeSame | No | No | Same |
| Density grid (INSEE)Same | Large urban centre | Large urban centre | Same |
| DepartmentSame | Yvelines (78) | Yvelines (78) | Same |
| Intercommunality | Communauté d'agglomération de Saint-Quentin-en-Yvelines | Communauté d'agglomération Versailles Grand Parc (CAVGP) | |
| 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
Guyancourt vs Versailles at a glance
| Criterion | Guyancourt | Versailles |
|---|---|---|
| Population inhab. | 30,226 | 85,750 |
| Change over 10 years | +8.1% | −1.4% |
| Density per km² | 2,325 | 3,275 |
| Median apartment price €/m² | 3,942 | 6,829 |
| Median house price €/m² | 4,285 | 9,059 |
| Apartment rent €/m² | 19.0 | 24.3 |
| Property tax (combined rate) | 36.30% | 26.79% |
| Median standard of living €/year | 27,570 | 38,530 |
| Unemployment rate (census) | 11.8% | 8.1% |
| Premises with fiber | 99% | 95% |
| Access to general practitioners visits/inhab./year | 3.0 | 2.7 |
| Home burglaries per 1,000 homes | 3.3 | 3.6 |
| Average temperature | 11.5°C | 11.5°C |
| Sunshine h/year | 1,714 | 1,714 |
| Area km² | 13.0 | 26.2 |
More comparisons
Compare with other towns
FAQ
Guyancourt vs Versailles: your questions
Which is the larger city, Guyancourt or Versailles?
By population, Versailles: 85,750 inhabitants versus 30,226 for Guyancourt (official population figures in force on January 1, 2026). Versailles is the 56th largest city in France, Guyancourt the 291st. By area, Versailles is also the larger (26.2 km²).
How far is Guyancourt from Versailles?
Guyancourt and Versailles are 4.7 km apart as the crow flies, between the centers of the two communes, in the same department (Yvelines).
Where is real estate more expensive, in Guyancourt or Versailles?
To buy an apartment, Versailles is more expensive: €6,829 per m² (median price), versus €3,942 in Guyancourt (+73%). Median prices of sales over the last five years (DGFiP, DVF).
Where is the standard of living higher, in Guyancourt or Versailles?
In Versailles, half of the residents have a standard of living above €38,530 a year, versus €27,570 in Guyancourt (disposable income per consumption unit, INSEE).
Are Guyancourt and Versailles in the same department?
Yes: both towns are in Yvelines (78), in the Île-de-France region.
Official population figures in force on January 1, 2026. Source: INSEE, official population figures