Each edition grades its towns against each other only.
A town of 29,489 in Val-d'Oise, Île-de-France.
Ermont grades C− overall: better than 22% of compared French towns, and #33 of 73 in Val-d'Oise. Its weakest subject is cost of living (D−): at the median price, a 70 m² home costs 9.6 times the median annual income per consumption unit in the intercommunality. Its strongest is walkability (A+): 100% of residents live within 800 m of a bakery, and 56% of working residents walk, cycle or take public transport to work.
Hazard risk isn’t graded in France yet: national flood maps cover only some areas. The overall grade uses the other six subjects.
The 2 things Ermont does most differently from other towns.
Each subject compares Ermont with other French towns of 2,500 or more, ordered by how far its rank is from the middle. American and UK towns are graded separately.
How TownRatings grades French towns →
The Culture ministry’s list holds 1 historic monument in Ermont; none is classé, France’s top protection.
The oldest protected part dates from the 20th century; the first monument here was protected in 2008.
4.1% of its homes were built before 1919, against 7.4% in the median compared French town.
Wikidata records 4 people born in Ermont before 1900, the earliest Raymond Couvègnes, in 1893.
Heritage, museums and other places to visit in and near Ermont. Best known first.
MuseumMaison de Jean-Jacques Rousseau et Maison des Commères4.8 km east, in Montmorency
MuseumMusée Jean-Jacques-Rousseau4.8 km east, in Montmorency
Historic houseMaison impressionniste4.9 km south, in ArgenteuilMuseumMuseumMusée de la boxe1.5 km southwest, in SannoisChâteauChâteauChâteau de Belmont3.9 km northeast, in AndillyPhotos from Wikimedia Commons, each under its own licence (our copy, resized).
Data highlights are ordered by what stands out in Ermont.
Per resident in work, Ermont counts 0.6 jobs (7,400 jobs, 12,850 workers). Half of residents lived on more than €27,950 a year per consumption unit, close to Val-d'Oise’s towns (€28,800) and above compared French towns (€25,970). At the census, nearly half of working residents in Ermont went to work by public transport.
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
In Ermont, houses go for €4,572/m² and apartments for €3,667/m². Advertised rents are estimated at €19.04/m² a month, higher than both Val-d'Oise’s towns (€18.09/m²) and compared French towns (€12.41/m²). Sales locally from July 2023 to June 2026: 764 houses and apartments.
| By type | Median per m² | Sales |
|---|---|---|
| Houses | €4,572/m² | 291 |
| Apartments | €3,667/m² | 473 |
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Primary schools aren’t graded: France doesn’t publish their results by school.
The bac pass rate near Ermont is 87.1%, about level with Val-d'Oise’s towns (87.0%) and below compared French towns (92.9%). The town’s schools place #35 of 76 in Val-d'Oise on results.
| School | Level | Candidates | Passed, 2025 |
|---|---|---|---|
| Collège Jules FerryNearest collègeCollège | Collège | 166 | 85%−6 pts |
| Lycée Van GoghNearest lycéeGeneral lycée | General lycée | 486 | 92%−2 pts |
| Collège Claude MonetBest against expectations: 16 points above the expected rateCollège | Collège | 115 | 74%+16 pts |
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
Young adults of 15 to 24 are 11% of residents, about level with compared French towns (11%) and below Val-d'Oise’s towns (12%). Under-15s account for 20% of the population. The 65-and-over age group makes up 17% of residents.
52% women, 48% men
About 91 men for every 100 women. Median share of women: Val-d'Oise 51.5%, France 51.8%.
| Ermont | Val-d'Oise median | France median | |
|---|---|---|---|
| Under 15 | 20% | 21% | 17% |
| 15–24 | 11% | 12% | 11% |
| 25–44 | 28% | 26% | 23% |
| 45–64 | 24% | 25% | 26% |
| 65+ | 17% | 15% | 22% |
| No diploma | 18% | 17% | 19% |
| CAP or BEP | 17% | 20% | 26% |
| Baccalauréat | 17% | 19% | 18% |
| Higher education | 44% | 38% | 30% |
INSEE, census 2023 · Val-d'Oise median and France median: the median of compared communes
Care access and life expectancy are shown for context, not graded.
Life expectancy at birth in Val-d'Oise is 85.9 years for women and 81.1 for men (2025), against 85.9 and 80.3 across France. France’s death rates at each age would predict 2,221 deaths in Ermont from 2016 to 2025; there were 2,006, 10% fewer. Its two care homes for older people (152 places) count their residents as Ermont’s; allowing for them, deaths were 16% below expected. Also worth knowing: the town has 33 family doctors.
Source: INSEE, deaths by commune of residence 2016–2025 and censuses; Eurostat, death rates by age (© European Union); INSEE, BPE 2025; DREES, APL 2024; INSEE, life expectancy by département 2025 · Licence Ouverte · This figure includes a care-home adjustment that TownRatings models; no official statistic exists.
France has no History Grade yet: this card describes, it doesn’t grade.
Its heritage reaches back to the 20th century. The pre-1919 share of homes is 4.1%.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Graded property crimes ran at 15.1 per 1,000 residents a year, and violence against people at 7.9 (2023–2025 average). In all, 630 offenses reached the police record in Ermont in 2025. Of the graded crimes locally, criminal damage came up most often (2025).
Not in the gradeTheft without violence, drug use and fraud are shown for information but left out of the Safety Grade, which counts violence plus burglaries, vehicle thefts, thefts from vehicles and criminal damage per resident.
Source: SSMSI (Interior Ministry), recorded crime by commune, 2023–2025 · Licence Ouverte · For armed robbery, this figure isn’t published when it’s small (five or fewer in at least one of the last three years); the index uses the département’s average instead, 0.2% of the index here. The count covers the offense categories the Safety Grade uses.
Ermont has one historic monument; beside it, the nearest classé monuments in other towns, within 15.5 mi.
34 notable people were born in Ermont.
Alice Taglioni: Thierry Caro, CC BY-SA 3.0 · Yvonne Printemps: Studio Harcourt, Public domain · Anita Conti: Anonymous Unknown author , no author disclosure, Public domain · Patrick Le Gal: SEDICOM-Lyon, CC BY-SA 4.0 · Landing Sané: Clément Bucco-Lechat, CC BY-SA 3.0
The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →
| Town | People | Miles | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Ermont | 29,489 | — | C− | D− | C+ | B |
| Eaubonne | 26,211 | 1 | C+ | D− | B− | B |
| Le Plessis-Bouchard | 8,518 | 1.1 | B− | D | B | B+ |
| Sannois | 26,924 | 1.1 | C− | D | C | B+ |
| Franconville | 37,754 | 1.2 | C− | D | B− | B |
| Saint-Prix | 7,612 | 1.3 | C | D− | B− | B |
| Margency | 3,012 | 1.6 | B | D | B+ | A |
People: INSEE, census 2023. Miles: center to center.
It grades C+ for safety, #30 of 73 in Val-d'Oise. In 2025 police and gendarmerie recorded 81 burglaries and 191 acts of criminal damage.
They grade D, better than 13% of compared French towns and #35 of 76 in Val-d'Oise. 92% of 486 candidates passed the bac at Lycée Van Gogh in 2025, 2 points below the expected rate given its pupils’ backgrounds. Primary schools aren’t graded: France doesn’t publish their results by school.
Incomes are higher than in most compared French towns, so Ermont grades D− for cost of living.
Commune in Val-d'Oise, Île-de-France
Ermont is a commune of 29,489 people in the Communauté d'agglomération Val Parisis. 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
Sources: INSEE, census 2023 (population, employment, commuting) · INSEE, Filosofi 2023 (income per consumption unit, poverty) · DGFiP, DVF property sales, July 2023 to June 2026 · Housing Ministry, Carte des loyers 2025 · SSMSI, recorded crime by commune, 2023–2025 · Ministry of Education (DEPP), brevet and bac results and value-added indicators, 2025 · INSEE, deaths by commune of residence 2016–2025 and censuses 2012–2023; Eurostat, death rates by age (© European Union); INSEE, BPE 2025 (care homes, emergency and maternity units, GPs, pharmacies); DREES, APL 2024; INSEE, life expectancy by département 2025 (provisional) · INSEE, BPE 2025 and Filosofi 200 m grid (walking distances) · IGN Admin Express (boundaries) · TownRatings grades: our own summary of the data, ranking French towns against each other only, updated October 30, 2026. Under the Licence Ouverte / Open Licence 2.0 (Etalab).
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.