Largest City in France

2026 comparison

Houilles vs Saint-Germain-en-Laye: 2026 comparison

Saint-Germain-en-Laye has more inhabitants than Houilles: 47,628 versus 34,268, or 39% more. Saint-Germain-en-Laye covers a larger area (51.9 km² versus 4.4 km²), but Houilles is more densely populated: 7,735 inhabitants per km² versus 917.

The median apartment price is higher in Saint-Germain-en-Laye: €6,547 per m² versus €4,762. The median standard of living is higher in Saint-Germain-en-Laye (€37,970 a year versus €34,450).

The two cities are 6.0 km apart as the crow flies, in the same department and the same urban unit (Paris).

HouillesSaint-Germain-en-Laye
HouillesSaint-Germain-en-Laye6.0 km as the crow flies

Houilles

City in Yvelines

Yvelines78Île-de-France

Population
34,268 inhab.
243rd in France · 9th in its department
Area
4.4 km²
Density
7,735 per km²
Full profile of Houilles

Saint-Germain-en-Laye

City in Yvelines

Yvelines78Île-de-France

Population
47,628 inhab.
145th in France · 3rd in its department
Area
51.9 km²
Density
917 per km²
Full profile of Saint-Germain-en-Laye

Population

Population and demographics

Municipal population since 1876

HouillesSaint-Germain-en-Laye

Population: Houilles and Saint-Germain-en-Laye compared
CriterionHouillesSaint-Germain-en-LayeDifference
Population inhab.More populous: Saint-Germain-en-Laye+39%34,26847,628More populous: Saint-Germain-en-Laye+39%
Change over 5 yearsStronger growth: Houilles+2.1 pts+4.7%+2.6%Stronger growth: Houilles+2.1 pts
Change over 10 yearsStronger growth: Saint-Germain-en-Laye+0.1 pt+5.3%+5.4%Stronger growth: Saint-Germain-en-Laye+0.1 pt
Density per km²Denser: Houilles8.4 times as high7,735917Denser: Houilles8.4 times as high
Under 15More young people: Houilles+0.1 pt19.2%19.1%More young people: Houilles+0.1 pt
65 and overMore seniors: Saint-Germain-en-Laye+3.3 pts14.9%18.2%More seniors: Saint-Germain-en-Laye+3.3 pts
People per householdLarger households: Houilles+0.142.322.18Larger households: Houilles+0.14

Sources: INSEE, official population figures, INSEE, censuses, INSEE, census

Housing

Real estate prices and housing

Housing: Houilles and Saint-Germain-en-Laye compared
CriterionHouillesSaint-Germain-en-LayeDifference
Median apartment price €/m²More expensive: Saint-Germain-en-Laye+37%4,7626,547More expensive: Saint-Germain-en-Laye+37%
Median house price €/m²More expensive: Saint-Germain-en-Laye+27%5,6807,193More expensive: Saint-Germain-en-Laye+27%
Apartment rent €/m² per month, utilities includedMore expensive: Saint-Germain-en-Laye+11%21.223.5More expensive: Saint-Germain-en-Laye+11%
House rent €/m² per month, utilities includedMore expensive: Saint-Germain-en-Laye+37%19.026.0More expensive: Saint-Germain-en-Laye+37%
Homeowner householdsMore homeowners: Houilles+13 pts62.3%49.1%More homeowners: Houilles+13 pts
Share of housesMore houses: Houilles+22 pts42.1%19.8%More houses: Houilles+22 pts
Social housing (SRU law) share of primary residencesMore social housing: Saint-Germain-en-Laye+7.3 pts17.9%25.2%More social housing: Saint-Germain-en-Laye+7.3 pts
Second homesMore second homes: Saint-Germain-en-Laye+2.6 pts1.6%4.2%More second homes: Saint-Germain-en-Laye+2.6 pts
Vacant homesMore vacant homes: Houilles+1.1 pt5.4%4.3%More vacant homes: Houilles+1.1 pt
Property tax (combined rate)Higher rate: Houilles+7.0 pts31.90%24.95%Higher rate: Houilles+7.0 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

Income and jobs: Houilles and Saint-Germain-en-Laye compared
CriterionHouillesSaint-Germain-en-LayeDifference
Median standard of living €/yearHigher: Saint-Germain-en-Laye+10%34,45037,970Higher: Saint-Germain-en-Laye+10%
Poverty rateHigher: Saint-Germain-en-Laye+0.3 pt9.2%9.5%Higher: Saint-Germain-en-Laye+0.3 pt
Average taxable income per householdHigher: Saint-Germain-en-Laye+51%€45,978€69,214Higher: Saint-Germain-en-Laye+51%
Households paying income taxTie66%66%Tie
Activity rate (ages 15-64)Higher: Houilles+4.2 pts81.0%76.8%Higher: Houilles+4.2 pts
Unemployment rate (census)Higher: Saint-Germain-en-Laye+1.4 pt8.1%9.5%Higher: Saint-Germain-en-Laye+1.4 pt

Sources: INSEE, Filosofi, DGFiP, income tax, INSEE, census

Local life

Town hall and fiber internet

Local life: Houilles and Saint-Germain-en-Laye compared
CriterionHouillesSaint-Germain-en-LayeDifference
MayorRomain BertrandArnaud Pericard
Political label of the mayor’s list (2026 local elections)miscellaneous centremiscellaneous right
Premises with fiberBetter covered: Houilles+2.4 pts97%95%Better covered: Houilles+2.4 pts

Sources: Ministry of the Interior, register of elected officials, Ministry of the Interior, Arcep

Shops and facilities

Shops, leisure and transportation

Shops and facilities: Houilles and Saint-Germain-en-Laye compared
CriterionHouillesSaint-Germain-en-LayeDifference
Shops per 10,000 inhab.More shops per capita: Saint-Germain-en-Laye+87%42.3145 in total78.9376 in totalMore shops per capita: Saint-Germain-en-Laye+87%
Food shops per 10,000 inhab.More per capita: Saint-Germain-en-Laye+20%19.366 in total23.1110 in totalMore per capita: Saint-Germain-en-Laye+20%
Restaurants per 10,000 inhab.More per capita: Saint-Germain-en-Laye+51%21.072 in total31.7151 in totalMore per capita: Saint-Germain-en-Laye+51%
Sports facilities per 10,000 inhab.More per capita: Saint-Germain-en-Laye+87%7.927 in total14.770 in totalMore per capita: Saint-Germain-en-Laye+87%
Cultural venues per 10,000 inhab.More per capita: Saint-Germain-en-Laye3.1 times as high0.93 in total2.713 in totalMore per capita: Saint-Germain-en-Laye3.1 times as high
Hotels per 10,000 inhab.More per capita: Saint-Germain-en-Laye+1.50.00 in total1.57 in totalMore per capita: Saint-Germain-en-Laye+1.5
Passenger train stationsMore stations: Saint-Germain-en-Laye+112More stations: Saint-Germain-en-Laye+1

Number of facilities per 10,000 inhabitants (total count in small print). Source: INSEE, facilities database (BPE)

Health

Health care

Health: Houilles and Saint-Germain-en-Laye compared
CriterionHouillesSaint-Germain-en-LayeDifference
Access to general practitioners visits/inhab./year localized potential accessibilityBetter access: Saint-Germain-en-Laye2.1 times as high1.12.4Better access: Saint-Germain-en-Laye2.1 times as high
General practitioners per 10,000 inhab.More per capita: Saint-Germain-en-Laye2.1 times as high3.813 in total8.038 in totalMore per capita: Saint-Germain-en-Laye2.1 times as high
Medical specialists per 10,000 inhab.More per capita: Saint-Germain-en-Laye5.6 times as high4.114 in total22.9109 in totalMore per capita: Saint-Germain-en-Laye5.6 times as high
Dentists per 10,000 inhab.More per capita: Saint-Germain-en-Laye+57%6.422 in total10.148 in totalMore per capita: Saint-Germain-en-Laye+57%
Pharmacies per 10,000 inhab.More per capita: Saint-Germain-en-Laye+35%2.38 in total3.115 in totalMore per capita: Saint-Germain-en-Laye+35%
HospitalsMore facilities: Saint-Germain-en-Laye+404More facilities: Saint-Germain-en-Laye+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

Education: Houilles and Saint-Germain-en-Laye compared
CriterionHouillesSaint-Germain-en-LayeDifference
Primary schoolsMore schools: Saint-Germain-en-Laye+81624More schools: Saint-Germain-en-Laye+8
Middle schoolsMore middle schools: Saint-Germain-en-Laye+8311More middle schools: Saint-Germain-en-Laye+8
High schoolsMore high schools: Saint-Germain-en-Laye+15015More high schools: Saint-Germain-en-Laye+15
Higher education institutions and programsMore facilities: Saint-Germain-en-Laye+707More facilities: Saint-Germain-en-Laye+7

Sources: Ministry of Education, INSEE, facilities database (BPE)

Recorded crime

Offenses recorded by the police

Recorded crime: Houilles and Saint-Germain-en-Laye compared
CriterionHouillesSaint-Germain-en-LayeDifference
Home burglaries per 1,000 homesHigher rate: Saint-Germain-en-Laye+3%6.06.2Higher rate: Saint-Germain-en-Laye+3%
Non-violent thefts per 1,000 inhab.Higher rate: Saint-Germain-en-Laye+12%10.311.6Higher rate: Saint-Germain-en-Laye+12%
Physical violence outside the family per 1,000 inhab.Higher rate: Saint-Germain-en-Laye+66%1.83.0Higher rate: Saint-Germain-en-Laye+66%
Vehicle thefts per 1,000 inhab.Higher rate: Houilles2.1 times as high2.21.1Higher rate: Houilles2.1 times as high
Vandalism and property damage per 1,000 inhab.Higher rate: Saint-Germain-en-Laye+3%6.16.2Higher rate: Saint-Germain-en-Laye+3%

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

Climate: Houilles and Saint-Germain-en-Laye compared
CriterionHouillesSaint-Germain-en-LayeDifference
Average temperatureWarmer: Houilles+0.2 °C12.5°C12.3°CWarmer: Houilles+0.2 °C
Sunshine h/yearSunnier: Houilles+0.2%1,7171,714Sunnier: Houilles+0.2%
Rainfall mm/yearWetter: Houilles+12%639571Wetter: Houilles+12%
Rainy days days/year at least 1 mmMore rainy days: Houilles+7 days/year113106More rainy days: Houilles+7 days/year
Frost days days/yearMore frost days: Saint-Germain-en-Laye+7 days/year3643More frost days: Saint-Germain-en-Laye+7 days/year
Very hot days days/year 30 °C or moreMore hot days: Houilles+4 days/year2016More hot days: Houilles+4 days/year

Climate normals from the reference Météo-France station of each commune. Source: Météo-France, climate normals

Natural hazards

Natural disasters and prevention

Natural hazards: Houilles and Saint-Germain-en-Laye compared
CriterionHouillesSaint-Germain-en-LayeDifference
Natural disasters declared since 1982More declarations: Saint-Germain-en-Laye+151025More declarations: Saint-Germain-en-Laye+15
Natural hazard prevention plansMore plans: Saint-Germain-en-Laye+112More plans: Saint-Germain-en-Laye+1
Radon potentialSameLowLowSame

Sources: Géorisques (GASPAR), IRSN

Land

Area, terrain and administrative areas

Land: Houilles and Saint-Germain-en-Laye compared
CriterionHouillesSaint-Germain-en-LayeDifference
Area km²Larger: Saint-Germain-en-Laye12 times as high4.4351.9Larger: Saint-Germain-en-Laye12 times as high
Town hall elevationHigher: Saint-Germain-en-Laye+57 m31 m88 mHigher: Saint-Germain-en-Laye+57 m
Coastal communeSameNoNoSame
Density grid (INSEE)SameLarge urban centreLarge urban centreSame
DepartmentSameYvelines (78)Yvelines (78)Same
IntercommunalitySameCommunauté d'agglomération Saint Germain Boucles de SeineCommunauté d'agglomération Saint Germain Boucles de SeineSame
Urban unitSameParisParisSame
Functional areaSameParisParisSame

Sources: IGN, IGN, elevation, Ministry for the Ecological Transition, Loi Littoral, INSEE, density grid, INSEE, COG, INSEE, geographic classifications

Summary

Houilles vs Saint-Germain-en-Laye at a glance

Summary table: Houilles and Saint-Germain-en-Laye
CriterionHouillesSaint-Germain-en-Laye
Population inhab.34,26847,628
Change over 10 years+5.3%+5.4%
Density per km²7,735917
Median apartment price €/m²4,7626,547
Median house price €/m²5,6807,193
Apartment rent €/m²21.223.5
Property tax (combined rate)31.90%24.95%
Median standard of living €/year34,45037,970
Unemployment rate (census)8.1%9.5%
Premises with fiber97%95%
Access to general practitioners visits/inhab./year1.12.4
Home burglaries per 1,000 homes6.06.2
Average temperature12.5°C12.3°C
Sunshine h/year1,7171,714
Area km²4.4351.9

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Compare with other towns

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FAQ

Houilles vs Saint-Germain-en-Laye: your questions

Which is the larger city, Houilles or Saint-Germain-en-Laye?

By population, Saint-Germain-en-Laye: 47,628 inhabitants versus 34,268 for Houilles (official population figures in force on January 1, 2026). Saint-Germain-en-Laye is the 145th largest city in France, Houilles the 243rd. By area, Saint-Germain-en-Laye is also the larger (51.9 km²).

How far is Houilles from Saint-Germain-en-Laye?

Houilles and Saint-Germain-en-Laye are 6.0 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 Houilles or Saint-Germain-en-Laye?

To buy an apartment, Saint-Germain-en-Laye is more expensive: €6,547 per m² (median price), versus €4,762 in Houilles (+37%). Median prices of sales over the last five years (DGFiP, DVF).

Where is the standard of living higher, in Houilles or Saint-Germain-en-Laye?

In Saint-Germain-en-Laye, half of the residents have a standard of living above €37,970 a year, versus €34,450 in Houilles (disposable income per consumption unit, INSEE).

Which city is sunnier, Houilles or Saint-Germain-en-Laye?

Houilles: 1,717 hours of sunshine a year on average, versus 1,714 in Saint-Germain-en-Laye (climate normals from the reference Météo-France station of each town).

Official population figures in force on January 1, 2026. Source: INSEE, official population figures

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