Some subjects shine; others lag. Housing is expensive: at the median price, a 70 m² home costs 9.3 times the median annual income per consumption unit in the intercommunality. With a C+ overall, L'Isle-Adam is better than 39% of compared French towns. It ranks #13 of 73 in Val-d'Oise. Its strongest is walkability — 92% of residents live within 800 m of a bakery, and 23% of working residents walk, cycle or take public transport to work.
Figures: amenities, INSEE BPE 2025 · commuting, INSEE census 2023 · prices, DVF · income per consumption unit (an income adjusted for household size), INSEE Filosofi.
Hazard risk isn’t graded in France yet: national flood maps cover only some areas. The overall grade uses the other six subjects.
Each subject compares L'Isle-Adam 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.
Data highlights are ordered by what stands out in L'Isle-Adam.
HousingCost of living D
Renting in L'Isle-Adam costs more than in Val-d'Oise’s towns or compared French towns, at an estimated advertised €19.57/m² a month
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
534 sales of houses and apartments in L'Isle-Adam, from July 2023 to June 2026, give the median of €4,157/m². Houses were 44% of what sold. House rents are put at about €17.50/m² a month.
€4,157/m²median sale price
Median sale price per m² · Jul 2023 to Jun 2026
L'Isle-Adam€4,157/m²
Median of towns€2,430/m²
Val-d'Oise median€3,266/m²
By type
Median per m²
Sales
Houses
€4,193/m²
236
Apartments
€4,138/m²
298
€19.57/m²
estimated advertised apartment rent a month, charges included (€15.39 to €24.89/m² a month)
9.3
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€17.50/m²
estimated advertised house rent a month, charges included
€31,450
median annual income per consumption unit, Communauté de communes de la Vallée de l'Oise et des Trois Forêts
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Work & commuteJobs & income A−
L'Isle-Adam is better off than Val-d'Oise’s towns or compared French towns: the median disposable income is €32,270 a year per consumption unit
22.6% of commuters left the car at home at the census, walking, cycling or taking public transport. For its 5,250 residents in work, L'Isle-Adam has 4,650 jobs: 0.9 each. Unemployment stood at 9.4%, near Val-d'Oise’s towns (9.9%) and lower than compared French towns (10.1%).
23%walk, cycle or take transit
How working residents got to work · census 2023
Driving71%
Public transport15%
On foot6%
Motorbike or scooter2%
Bicycle1%
4,650
jobs based in L'Isle-Adam, 0.9 per working resident
9.4%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€32,270
median annual income per consumption unit, 2023 · median of compared French towns €25,970
4%
worked without traveling (at or from home)
A
Walkability: better than 93% of compared French towns
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
HealthHealth A−
L'Isle-Adam loses fewer people than its age profile suggests, 76 per 100 expected, below Val-d'Oise’s towns and compared French towns
Care access and life expectancy are shown for context, not graded.
France’s death rates at each age would predict 1,458 deaths in L'Isle-Adam from 2016 to 2025; there were 1,138, 22% fewer. 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. 20 GPs practise in the town.
−24%deaths against expected, after care homesA−Health Grade
Deaths per 100 expected · 2016–2025
Raw78
Adjusted76
Median town88
Expected100
20
GPs in L'Isle-Adam · 2.2 GP consultations a year per resident within reach (APL)
3.7 mi
to the nearest emergency department, Hopital Novo site Beaumont Ex Carnelle Porte de L Oise
1 mi
to the nearest maternity unit, Clinique Conti
85.9 · 81.1
years of life expectancy at birth, women · men, Val-d'Oise, 2025 (provisional) · France 85.9 · 80.3
Recorded crime per resident is higher in L'Isle-Adam than in 76% of compared French towns
313 offenses were reported in L'Isle-Adam during 2025. Each year (2023–2025 average), violence against people came to 8.3 per 1,000 residents and the graded property crimes to 19.9. In 2025, criminal damage led the graded crimes in the town.
8.3recorded violent incidents per 1,000 residents a yearC−Safety Grade
Recorded by type · 2025
Criminal damage117
Theft from vehicles45
Family violence39
Other physical violence35
Vehicle theft30
Burglary26
Sexual violence21
Theft without violence167
Fraud98
Drug use63
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.
8.3
recorded violent incidents per 1,000 residents a year, 2023–2025 average
19.9
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
313
offenses recorded in the graded categories in 2025
0.5%
of the index rests on the département’s average, used where small counts aren’t published
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, 0.5% of the index here. The count covers the offense categories the Safety Grade uses.
Schools
90.6% of candidates passed the brevet at the five collèges within 5 km, 1.5 points below the expected rate
Primary schools aren’t graded: France doesn’t publish their results by school.
Its collèges and lycées rank #6 of 76 in Val-d'Oise on results.
91%passed the bac (general and technological)C−School Grade
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
Who lives here
Older residents shape L'Isle-Adam: 27% are 65 or over, above Val-d'Oise’s towns and compared French towns
Aged 15 to 24: 10% of residents. 40% of adults hold a degree, above Val-d'Oise’s towns (38%) and compared French towns (30%) alike. L'Isle-Adam has a median age of 47.1 years.
47.1median age
L'Isle-AdamVal-d'Oise medianFrance median
Ages · share of residents
27%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma16%
CAP or BEP20%
Baccalauréat18%
Higher education40%
Women and men · all residents
54% women, 46% men
WomenFrance medianMen
About 84 men for every 100 women. Median share of women: Val-d'Oise 51.5%, France 51.8%.
INSEE, census 2023 · Val-d'Oise median and France median: the median of compared communes
History
4 historic monuments, 2 classé
France has no History Grade yet: this card describes, it doesn’t grade.
The earliest of these monuments dates from the 15th century. Among the classé monuments in L'Isle-Adam is Église Saint-Martin. 7.9% of homes were built before 1919.
Église Saint-Martin: Photo: Sanchalex · CC BY-SA 3.0 · Domaine de Stors: Photo: P.poschadel · CC BY-SA 2.0 fr · Pavillon chinois de Cassan: Photo: Clicsouris · CC BY-SA 2.5 · Dolmen de la Pierre Plate: Photo: Thor19 · CC BY-SA 3.0
Robert Hirsch: Studio Harcourt., Public domain · Michèle Vergne: Gert-Martin Greuel, Copyright is MFO, CC BY-SA 2.0 · Jefferson Poirot: 34 super héros, CC BY-SA 3.0 · Dominique Da Silva: Lionel Barbe, CC BY-SA 4.0 · Thomas Scimeca: Georges Biard, CC BY-SA 3.0 · Loïc Lamouller: Lamouller, CC BY-SA 4.0
L'Isle-Adam’s neighbors
The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →
People: INSEE, census 2023. Miles: center to center.
Questions about L'Isle-Adam
Is L'Isle-Adam safe?
It grades C− for safety, #53 of 73 in Val-d'Oise. In 2025 police and gendarmerie recorded 26 burglaries and 117 acts of criminal damage.
Are schools in L'Isle-Adam good?
They grade C−, better than 25% of compared French towns and #6 of 76 in Val-d'Oise. 91% of 416 candidates passed the bac at Lycée Fragonard in 2025, 6 points below the expected rate given its pupils’ backgrounds. Primary schools aren’t graded: France doesn’t publish their results by school.
Is L'Isle-Adam expensive to live in?
Homes cost more than in most compared French towns: the median sale price from July 2023 to June 2026 was €4,157/m², against €2,430/m² for the median of compared French towns. By type: houses €4,193/m² (236 sales), apartments €4,138/m² (298 sales). Incomes are higher than in most compared French towns, so L'Isle-Adam grades D for cost of living.
About L'Isle-Adam
Commune in Val-d'Oise, Île-de-France
L'Isle-Adam is a commune of 12,493 people in the Communauté de communes de la Vallée de l'Oise et des Trois Forêts. 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
12,493 (INSEE, census 2023)
Intercommunality
Communauté de communes de la Vallée de l'Oise et des Trois Forêts
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.
