Fewer journeys need a car (A−): nearly two thirds of residents live within 800 m of a bakery, and 20% of working residents walk, cycle or take public transport to work. Safety is a strength too (B+) — an average of 2.8 recorded violent incidents and 13.9 recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025. Buying 70 m² at the median €2,822/m² takes 8.4 years of the median income per consumption unit in the Communauté d'agglomération de la Baie de Somme. Health is its weak spot (D−) — after allowing for care homes, deaths from 2016 to 2025 were 19% above expected, against 12% below for the median of compared French towns. The local economy is weaker than most: 1.1 jobs per working resident; 18.0% unemployment.
Figures: amenities, INSEE BPE 2025 · commuting and employment, INSEE census 2023 · recorded crime, SSMSI (Ministry of the Interior) · deaths, INSEE (by commune of residence, 2016–2025) · prices, DVF · income per consumption unit (an income adjusted for household size), INSEE Filosofi. Cayeux-sur-Mer has subject grades but no overall grade: French towns get one from 2,500 residents.
Hazard risk isn’t graded in France yet: national flood maps cover only some areas.
Each subject compares Cayeux-sur-Mer 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 Cayeux-sur-Mer.
HealthHealth D−
Allowing for age and care homes, Cayeux-sur-Mer sees more deaths than Somme’s towns or compared French towns: 119 per 100 expected
Care access and life expectancy are shown for context, not graded.
In Somme, women can expect to live 84 years and men 78.3 (2025), against 85.9 and 80.3 across France. France’s death rates at each age would predict 355 deaths in Cayeux-sur-Mer from 2016 to 2025; there were 490, 38% more. The nearest emergency department to Cayeux-sur-Mer is Antenne de Smur Eu du Ch de Dieppe, 9.8 mi away. This Somme town has 2 family doctors.
+19%deaths against expected, after care homesD−Health Grade
Deaths per 100 expected · 2016–2025
Raw138
Adjusted119
Median town88
Expected100
2
GPs in Cayeux-sur-Mer · 2.6 GP consultations a year per resident within reach (APL)
9.8 mi
to the nearest emergency department, Antenne de Smur Eu du Ch de Dieppe
15.5 mi
to the nearest maternity unit, Ch Abbeville
84 · 78.3
years of life expectancy at birth, women · men, Somme, 2025 (provisional) · France 85.9 · 80.3
Children make up only 8.7% of Cayeux-sur-Mer, fewer than in Somme’s towns and compared French towns
Aged 15 to 24: 7.2% of residents. 37% of residents are 65 or over, higher than both Somme’s towns (25%) and compared French towns (22%). Degrees are held by 17% of adults.
59median age
Cayeux-sur-MerSomme medianFrance median
Ages · share of residents
37%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma33%
CAP or BEP28%
Baccalauréat15%
Higher education17%
Women and men · all residents
53% women, 47% men
WomenFrance medianMen
About 89 men for every 100 women. Median share of women: Somme 52.5%, France 51.8%. Women live longer than men, so towns with many older residents have more women.
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
HousingCost of living C−
Homes in Cayeux-sur-Mer cost more than in Somme’s towns or across compared French towns, with a median sale of €2,822/m²
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
Houses in Cayeux-sur-Mer sell for €2,667/m² and apartments for €3,394/m². Advertised rents are estimated at €10.97/m² a month, about level with Somme’s towns (€11.47/m²) and below compared French towns (€12.41/m²). Of the homes sold, 69% were houses.
€2,822/m²median sale price
Median sale price per m² · Jul 2023 to Jun 2026
Cayeux-sur-Mer€2,822/m²
Median of towns€2,430/m²
Somme median€1,799/m²
By type
Median per m²
Sales
Houses
€2,667/m²
200
Apartments
€3,394/m²
90
€10.97/m²
estimated advertised apartment rent a month, charges included (€8.81 to €13.65/m² a month)
8.4
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€8.30/m²
estimated advertised house rent a month, charges included
€23,410
median annual income per consumption unit, Communauté d'agglomération de la Baie de Somme
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Safety
Cayeux-sur-Mer sees less crime per resident than 73% of compared French towns
Among the graded crimes in Cayeux-sur-Mer, the most frequent was criminal damage (2025). Recorded offenses locally came to 37 in 2025.
2.8recorded violent incidents per 1,000 residents a yearB+Safety Grade
Recorded by type · 2025
Criminal damage29
Family violence8
Armed robbery0
Theft without violence16
Fraud15
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.
2.8
recorded violent incidents per 1,000 residents a year, 2023–2025 average
13.9
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
37
offenses recorded in the graded categories in 2025
15.7%
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 · Small counts of other physical violence, sexual violence, burglary, vehicle theft and theft from vehicles go unpublished (five or fewer in at least one of the last three years); the département’s average stands in, 15.7% of the index here. With more than 10% of the index estimated that way, this Safety Grade is less sure than most. The count covers the offense categories the Safety Grade uses.
History
Cayeux-sur-Mer: 1 historic monument, none of them classé
France has no History Grade yet: this card describes, it doesn’t grade.
Cayeux-sur-Mer has 1 historic monument on the Culture ministry’s list, none at the highest level (classé). 19% of its homes were built before 1919, against 7.4% in the median compared French town.
People: INSEE, census 2023. Miles: center to center.
Questions about Cayeux-sur-Mer
Is Cayeux-sur-Mer expensive to live in?
Incomes are lower than in most compared French towns, so Cayeux-sur-Mer grades C− for cost of living.
About Cayeux-sur-Mer
Commune in Somme, Hauts-de-France
Cayeux-sur-Mer is a commune of 2,316 people in the Communauté d'agglomération de la Baie de Somme. 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
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.
