Each edition grades its towns against each other only.
A town of 1,617 in Essonne, Île-de-France.
Sermaise has subject grades but no overall grade: French towns get one from 2,500 residents. Its weakest subject is schools (D−): brevet results 9 points below the expected rate. At the median price of €2,749/m², a 70 m² home costs 6.5 times the median annual income per consumption unit (an income adjusted for household size) in the Communauté de communes Le Dourdannais en Hurepoix (CCDH). Its strongest is jobs & income (B+): 0.2 jobs per working resident; 6.8% unemployment.
Hazard risk isn’t graded in France yet: national flood maps cover only some areas.
The one thing Sermaise does most differently from other towns.
Each subject compares Sermaise 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 lists 1 historic monument in Sermaise, none of them classé, France’s highest protection.
15% of its homes were built before 1919, against 7.4% in the median compared French town.
Heritage and other places to visit in and near Sermaise. Best known first.
Data highlights are ordered by what stands out in Sermaise.
Primary schools aren’t graded: France doesn’t publish their results by school.
Near Sermaise, 81.0% of collège pupils passed the brevet, close to Essonne’s towns (81.7%) and below compared French towns (87.5%).
| School | Level | Candidates | Passed, 2025 |
|---|---|---|---|
| Collège Hubert GermainNearest collègeCollège | Collège | 175 | 81%−9 pts |
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
The median price, €2,749/m², comes from 51 sales of houses and apartments in Sermaise from July 2023 to June 2026.
| By type | Median per m² | Sales |
|---|---|---|
| Houses | €2,747/m² | 46 |
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
That puts Sermaise above both Essonne’s towns (€29,720) and compared French towns (€25,970). Unemployment stands at 6.8%.
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
France has no History Grade yet: this card describes, it doesn’t grade.
On this, Sermaise is above both Essonne’s towns (3.7%) and compared French towns (7.4%). The Culture ministry lists 1 historic monument in Sermaise, none of them classé, France’s highest protection.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
In the comparison, Sermaise comes below both Essonne’s towns (12%) and compared French towns (11%). Over-65s are 20% of the population.
51% women, 49% men
About an even split. Median share of women: Essonne 51.3%, France 51.8%.
| Sermaise | Essonne median | France median | |
|---|---|---|---|
| Under 15 | 18% | 20% | 17% |
| 15–24 | 7.9% | 12% | 11% |
| 25–44 | 22% | 25% | 23% |
| 45–64 | 31% | 26% | 26% |
| 65+ | 20% | 16% | 22% |
| No diploma | 14% | 15% | 19% |
| CAP or BEP | 24% | 20% | 26% |
| Baccalauréat | 17% | 19% | 18% |
| Higher education | 40% | 39% | 30% |
INSEE, census 2023 · Essonne median and France median: the median of compared communes
Care access and life expectancy are shown for context, not graded.
From 2016 to 2025, 110 residents of Sermaise died, against 125 expected from France’s death rates at each age: 12% fewer. The care-home adjustment is a TownRatings modeling step, not an official statistic. A less sure grade: it could be anywhere from C− to A−.
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
Sermaise has one historic monument; beside it, the nearest classé monuments in other towns, within 15.5 mi.
Église Notre-Dame: Photo: Pline · CC BY-SA 3.0
Wikidata has nobody with a French article born in Sermaise yet.
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 |
|---|---|---|---|---|---|---|
| Sermaise | 1,617 | — | — | C | — | B− |
| Saint-Chéron | 5,132 | 2 | C+ | C− | B | B |
| Dourdan | 11,415 | 3.6 | C | C− | C | B− |
| Breuillet | 9,157 | 4.8 | C | D | B+ | B− |
| Étréchy | 6,986 | 5.2 | B− | C | B+ | B− |
| Boissy-sous-Saint-Yon | 3,882 | 5.8 | A− | C− | B+ | B+ |
| Bruyères-le-Châtel | 3,788 | 6.1 | A | D | A− | A+ |
People: INSEE, census 2023. Miles: center to center.
Sermaise has no Safety Grade: over a quarter of its index would rest on the département’s average. Recorded figures: an average of 5 recorded violent incidents and 11.8 recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025.
They grade D−, better than 4% of compared French towns. Primary schools aren’t graded: France doesn’t publish their results by school.
Homes cost more than in most compared French towns: the median sale price from July 2023 to June 2026 was €2,749/m², against €2,430/m² for the median of compared French towns. Incomes are higher than in most compared French towns, so Sermaise grades C for cost of living.
Commune in Essonne, Île-de-France
Sermaise is a commune of 1,617 people in the Communauté de communes Le Dourdannais en Hurepoix (CCDH). 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.