2026 comparison
Cachan vs Montrouge: 2026 comparison
Montrouge has more inhabitants than Cachan: 46,579 versus 31,434, or 48% more. Cachan covers a larger area (2.7 km² versus 2.1 km²), but Montrouge is more densely populated: 22,502 inhabitants per km² versus 11,472.
The median apartment price is higher in Montrouge: €7,586 per m² versus €5,207. The median standard of living is higher in Montrouge (€34,480 a year versus €28,610).
The two cities are 3.0 km apart as the crow flies, in the same urban unit (Paris).
Cachan
City in Val-de-Marne
- Population
- 31,434 inhab.
- 271st in France · 17th in its department
- Area
- 2.7 km²
- Density
- 11,472 per km²
Montrouge
City in Hauts-de-Seine
FHauts-de-Seine92Île-de-France
- Population
- 46,579 inhab.
- 155th in France · 16th in its department
- Area
- 2.1 km²
- Density
- 22,502 per km²
Population
Population and demographics
Municipal population since 1876
CachanMontrouge
| Criterion | Cachan | Montrouge | Difference |
|---|---|---|---|
| Population inhab.More populous: Montrouge+48% | 31,434 | 46,579 | More populous: Montrouge+48% |
| Change over 5 yearsStronger growth: Cachan+5.7 pts | +0.7% | −4.9% | Stronger growth: Cachan+5.7 pts |
| Change over 10 yearsStronger growth: Cachan+12 pts | +5.6% | −6.7% | Stronger growth: Cachan+12 pts |
| Density per km²Denser: Montrouge+96% | 11,472 | 22,502 | Denser: Montrouge+96% |
| Under 15More young people: Cachan+1.0 pt | 16.1% | 15.0% | More young people: Cachan+1.0 pt |
| 65 and overTie | 16.0% | 16.0% | Tie |
| People per householdLarger households: Cachan+0.19 | 2.11 | 1.92 | Larger households: Cachan+0.19 |
Sources: INSEE, official population figures, INSEE, censuses, INSEE, census
Housing
Real estate prices and housing
| Criterion | Cachan | Montrouge | Difference |
|---|---|---|---|
| Median apartment price €/m²More expensive: Montrouge+46% | 5,207 | 7,586 | More expensive: Montrouge+46% |
| Median house price €/m²More expensive: Montrouge+68% | 6,395 | 10,714 | More expensive: Montrouge+68% |
| Apartment rent €/m² per month, utilities includedMore expensive: Montrouge+14% | 23.3 | 26.5 | More expensive: Montrouge+14% |
| House rent €/m² per month, utilities includedMore expensive: Cachan+4% | 22.6 | 21.6 | More expensive: Cachan+4% |
| Homeowner householdsMore homeowners: Montrouge+5.0 pts | 37.4% | 42.4% | More homeowners: Montrouge+5.0 pts |
| Share of housesMore houses: Cachan+13 pts | 16.3% | 2.9% | More houses: Cachan+13 pts |
| Social housing (SRU law) share of primary residencesMore social housing: Cachan+17 pts | 40.0% | 22.7% | More social housing: Cachan+17 pts |
| Second homesMore second homes: Montrouge+3.0 pts | 1.6% | 4.6% | More second homes: Montrouge+3.0 pts |
| Vacant homesMore vacant homes: Montrouge+3.4 pts | 5.2% | 8.6% | More vacant homes: Montrouge+3.4 pts |
| Property tax (combined rate)Higher rate: Cachan+23 pts | 43.38% | 20.71% | Higher rate: Cachan+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 | Cachan | Montrouge | Difference |
|---|---|---|---|
| Median standard of living €/yearHigher: Montrouge+21% | 28,610 | 34,480 | Higher: Montrouge+21% |
| Poverty rateHigher: Cachan+6.2 pts | 17.8% | 11.6% | Higher: Cachan+6.2 pts |
| Average taxable income per householdHigher: Montrouge+32% | €35,277 | €46,703 | Higher: Montrouge+32% |
| Households paying income taxMore taxpaying households: Montrouge+14 pts | 53% | 67% | More taxpaying households: Montrouge+14 pts |
| Activity rate (ages 15-64)Higher: Montrouge+8.9 pts | 72.9% | 81.8% | Higher: Montrouge+8.9 pts |
| Unemployment rate (census)Higher: Cachan+2.9 pts | 12.6% | 9.7% | Higher: Cachan+2.9 pts |
Sources: INSEE, Filosofi, DGFiP, income tax, INSEE, census
Local life
Town hall and fiber internet
| Criterion | Cachan | Montrouge | Difference |
|---|---|---|---|
| Mayor | Hélène de Comarmond | Etienne Lengereau | |
| Political label of the mayor’s list (2026 local elections) | union of the left | union of the centre | |
| Premises with fiberBetter covered: Cachan+1.6 pt | 99% | 98% | Better covered: Cachan+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 | Cachan | Montrouge | Difference |
|---|---|---|---|
| Shops per 10,000 inhab.More shops per capita: Montrouge+70% | 24.878 in total | 42.3197 in total | More shops per capita: Montrouge+70% |
| Food shops per 10,000 inhab.More per capita: Montrouge+67% | 11.536 in total | 19.189 in total | More per capita: Montrouge+67% |
| Restaurants per 10,000 inhab.More per capita: Montrouge+46% | 28.088 in total | 40.8190 in total | More per capita: Montrouge+46% |
| Sports facilities per 10,000 inhab.More per capita: Cachan+55% | 15.348 in total | 9.946 in total | More per capita: Cachan+55% |
| Cultural venues per 10,000 inhab.More per capita: Cachan2.6 times as high | 2.27 in total | 0.94 in total | More per capita: Cachan2.6 times as high |
| Hotels per 10,000 inhab.More per capita: Montrouge3.0 times as high | 0.62 in total | 1.99 in total | More per capita: Montrouge3.0 times as high |
| Passenger train stationsMore stations: Cachan+2 | 2 | 0 | More stations: Cachan+2 |
Number of facilities per 10,000 inhabitants (total count in small print). Source: INSEE, facilities database (BPE)
Health
Health care
| Criterion | Cachan | Montrouge | Difference |
|---|---|---|---|
| Access to general practitioners visits/inhab./year localized potential accessibilityBetter access: Montrouge+88% | 2.0 | 3.7 | Better access: Montrouge+88% |
| General practitioners per 10,000 inhab.More per capita: Montrouge+43% | 5.417 in total | 7.736 in total | More per capita: Montrouge+43% |
| Medical specialists per 10,000 inhab.More per capita: Montrouge+98% | 4.815 in total | 9.444 in total | More per capita: Montrouge+98% |
| Dentists per 10,000 inhab.More per capita: Montrouge3.2 times as high | 2.27 in total | 7.133 in total | More per capita: Montrouge3.2 times as high |
| Pharmacies per 10,000 inhab.More per capita: Cachan+8% | 2.58 in total | 2.411 in total | More per capita: Cachan+8% |
| HospitalsMore facilities: Montrouge+2 | 1 | 3 | More facilities: Montrouge+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 | Cachan | Montrouge | Difference |
|---|---|---|---|
| Primary schoolsMore schools: Montrouge+4 | 12 | 16 | More schools: Montrouge+4 |
| Middle schoolsMore middle schools: Montrouge+4 | 3 | 7 | More middle schools: Montrouge+4 |
| High schoolsMore high schools: Montrouge+2 | 2 | 4 | More high schools: Montrouge+2 |
| Higher education institutions and programsMore facilities: Cachan+9 | 10 | 1 | More facilities: Cachan+9 |
Sources: Ministry of Education, INSEE, facilities database (BPE)
Recorded crime
Offenses recorded by the police
| Criterion | Cachan | Montrouge | Difference |
|---|---|---|---|
| Home burglaries per 1,000 homesHigher rate: Cachan3.7 times as high | 7.2 | 2.0 | Higher rate: Cachan3.7 times as high |
| Non-violent thefts per 1,000 inhab.Higher rate: Montrouge+27% | 8.5 | 10.8 | Higher rate: Montrouge+27% |
| Physical violence outside the family per 1,000 inhab.Higher rate: Cachan+43% | 2.4 | 1.7 | Higher rate: Cachan+43% |
| Vehicle thefts per 1,000 inhab.Higher rate: Cachan+14% | 2.5 | 2.2 | Higher rate: Cachan+14% |
| Vandalism and property damage per 1,000 inhab.Tie | 6.5 | 6.5 | 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 | Cachan | Montrouge | Difference |
|---|---|---|---|
| Natural disasters declared since 1982More declarations: Cachan+8 | 14 | 6 | More declarations: Cachan+8 |
| Natural hazard prevention plansTie | 1 | 1 | Tie |
| Radon potentialSame | Low | Low | Same |
Sources: Géorisques (GASPAR), IRSN
Land
Area, terrain and administrative areas
| Criterion | Cachan | Montrouge | Difference |
|---|---|---|---|
| Area km²Larger: Cachan+32% | 2.74 | 2.07 | Larger: Cachan+32% |
| Town hall elevationHigher: Montrouge+27 m | 48 m | 75 m | Higher: Montrouge+27 m |
| Coastal communeSame | No | No | Same |
| Density grid (INSEE)Same | Large urban centre | Large urban centre | Same |
| Department | Val-de-Marne (94) | Hauts-de-Seine (92) | |
| IntercommunalitySame | Métropole du Grand Paris | Métropole du Grand Paris | Same |
| 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
Cachan vs Montrouge at a glance
| Criterion | Cachan | Montrouge |
|---|---|---|
| Population inhab. | 31,434 | 46,579 |
| Change over 10 years | +5.6% | −6.7% |
| Density per km² | 11,472 | 22,502 |
| Median apartment price €/m² | 5,207 | 7,586 |
| Median house price €/m² | 6,395 | 10,714 |
| Apartment rent €/m² | 23.3 | 26.5 |
| Property tax (combined rate) | 43.38% | 20.71% |
| Median standard of living €/year | 28,610 | 34,480 |
| Unemployment rate (census) | 12.6% | 9.7% |
| Premises with fiber | 99% | 98% |
| Access to general practitioners visits/inhab./year | 2.0 | 3.7 |
| Home burglaries per 1,000 homes | 7.2 | 2.0 |
| Average temperature | 12.8°C | 12.8°C |
| Sunshine h/year | 1,717 | 1,717 |
| Area km² | 2.74 | 2.07 |
More comparisons
Compare with other towns
FAQ
Cachan vs Montrouge: your questions
Which is the larger city, Cachan or Montrouge?
By population, Montrouge: 46,579 inhabitants versus 31,434 for Cachan (official population figures in force on January 1, 2026). Montrouge is the 155th largest city in France, Cachan the 271st. By area, Cachan is the larger (2.7 km²).
How far is Cachan from Montrouge?
Cachan and Montrouge are 3.0 km apart as the crow flies, between the centers of the two communes.
Where is real estate more expensive, in Cachan or Montrouge?
To buy an apartment, Montrouge is more expensive: €7,586 per m² (median price), versus €5,207 in Cachan (+46%). Median prices of sales over the last five years (DGFiP, DVF).
Where is the standard of living higher, in Cachan or Montrouge?
In Montrouge, half of the residents have a standard of living above €34,480 a year, versus €28,610 in Cachan (disposable income per consumption unit, INSEE).
Are Cachan and Montrouge in the same department?
No: Cachan is in Val-de-Marne (94), and Montrouge 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