Montmachoux has no grades yet: French towns are graded from 1,000 residents up. 13% of its homes are second homes. It skews older: 36% of residents are 65 or over.
What makes Montmachoux stand out
The 2 things Montmachoux does most differently from other towns.
Croix dite de Saint-Constant: Photo: Grefeuille · CC BY-SA 4.0
The data
Data highlights are ordered by what stands out in Montmachoux.
Who lives here
Fewer children live in Montmachoux than in Seine-et-Marne’s towns or compared French towns: 12% are under 15
56.3median age
A tenth of the population is aged 15 to 24, below both Seine-et-Marne’s towns (13%) and compared French towns (11%). Graduates make up a third of adults. Residents of Montmachoux have a median age of 56.3.
MontmachouxSeine-et-Marne medianFrance median
Ages · share of residents
36%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma16%
CAP or BEP27%
Baccalauréat21%
Higher education33%
Women and men · all residents
52% women, 48% men
WomenFrance medianMen
About 92 men for every 100 women. Median share of women: Seine-et-Marne 51.4%, France 51.8%. Women live longer than men, so towns with many older residents have more women.
INSEE, census 2023 · Seine-et-Marne median and France median: the median of compared communes
History
Old homes shape Montmachoux: 46% were built before 1919, more than in both Seine-et-Marne’s towns and compared French towns
4historic monuments
France has no History Grade yet: this card describes, it doesn’t grade.
Protection here reaches back to the 19th century. The Culture ministry’s list holds 4 historic monuments in Montmachoux; none is classé, France’s top protection.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Work & commute
Unemployment in Montmachoux, 7.5%, runs below Seine-et-Marne’s towns and compared French towns
17%walk, cycle or take transit
The census found 17.3% of commuters going to work on foot, by bike or by public transport. The median disposable income was €29,880 a year per consumption unit, higher than both Seine-et-Marne’s towns (€28,310) and compared French towns (€25,970).
How working residents got to work · census 2023
Driving80%
Public transport16%
On foot1%
Bicycle0%
Motorbike or scooter0%
0
jobs based in Montmachoux, 0.2 per working resident
7.5%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€29,880
median annual income per consumption unit, 2023 · median of compared French towns €25,970
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
Housing
Renting in Montmachoux costs an estimated advertised €14.00/m² a month, against €16.75/m² in Seine-et-Marne’s towns and €12.41/m² in compared French towns
€14.00/m²estimated apartment rent a month
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
12 houses and apartments changed hands in Montmachoux from July 2023 to June 2026.
Estimated advertised apartment rent per m² a month
Montmachoux€14.00/m²
Median of towns€12.41/m²
Seine-et-Marne median€16.75/m²
€14.00/m²
estimated advertised apartment rent a month, charges included (€11.27 to €17.37/m² a month)
€11.40/m²
estimated advertised house rent a month, charges included
Montmachoux is a commune of 213 people in the Communauté de communes Pays de Montereau. TownRatings compares communes, France’s local unit: each has its own mayor and its own statistics. Its area takes in the town and the countryside around it.
Built from INSEE’s 2026 official geography (COG) and IGN Admin Express boundaries
Population
213 (INSEE, census 2023)
Intercommunality
Communauté de communes Pays de Montereau
Département
Seine-et-Marne (77)
Région
Île-de-France
Area
1.7 sq mi (4.4 km²)
INSEE code
77313
Montmachoux’s neighbors
The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.