Each edition grades its towns against each other only.
A town of 134 in Ain, Auvergne-Rhône-Alpes.
Seillonnaz is too small to grade: French towns get subject grades from 1,000 residents.
The one thing Seillonnaz does most differently from other towns.
The Culture ministry lists 1 historic monument in Seillonnaz, none of them classé, France’s highest protection.
The oldest protected part dates from the 13th century; the first monument here was protected in 1978.
36% of its homes were built before 1919, against 7.4% in the median compared French town.
Data highlights are ordered by what stands out in Seillonnaz.
France has no History Grade yet: this card describes, it doesn’t grade.
That puts Seillonnaz above both Ain’s towns (7.9%) and compared French towns (7.4%). The Culture ministry lists 1 historic monument in Seillonnaz, none of them classé, France’s highest protection.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
On this, Seillonnaz is below both Ain’s towns (11%) and compared French towns (11%). 18% of residents are children under 15.
52% women, 48% men
About 91 men for every 100 women. Median share of women: Ain 51.0%, France 51.8%.
| Seillonnaz | Ain median | France median | |
|---|---|---|---|
| Under 15 | 18% | 20% | 17% |
| 15–24 | 8.2% | 11% | 11% |
| 25–44 | 20% | 24% | 23% |
| 45–64 | 32% | 26% | 26% |
| 65+ | 22% | 19% | 22% |
| No diploma | 19% | 17% | 19% |
| CAP or BEP | 26% | 26% | 26% |
| Baccalauréat | 13% | 18% | 18% |
| Higher education | 32% | 32% | 30% |
INSEE, census 2023 · Ain median and France median: the median of compared communes
In the comparison, Seillonnaz comes below both Ain’s towns (8.3%) and compared French towns (10.1%). Seillonnaz has 0 jobs for 50 working residents, 0.3 per worker. The median disposable income is €28,870 a year per consumption unit.
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
Primary schools aren’t graded: France doesn’t publish their results by school.
For Seillonnaz, that is close to Ain’s towns (91.0%) and above compared French towns (87.5%).
| School | Level | Candidates | Passed, 2025 |
|---|---|---|---|
| Collège Chartreuse de PortesNearest collègeCollège | Collège | 119 | 92%+3 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.
Seillonnaz sits below both Ain’s towns (€12.27/m²) and compared French towns (€12.41/m²) on this measure.
Source: Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Heritage and museums in and near Seillonnaz. Best known first.
Seillonnaz has one historic monument; beside it, the nearest classé monuments in other towns, within 15.5 mi.
Château de la Serraz: Photo: Chabe01 · CC BY-SA 4.0
Wikidata has nobody with a French article born in Seillonnaz 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 |
|---|---|---|---|---|---|---|
| Seillonnaz | 134 | — | — | — | — | — |
| Montalieu-Vercieu Isère | 3,510 | 4.5 | C− | B+ | C− | D |
| Morestel Isère | 4,340 | 7.8 | C− | C+ | C− | D |
| Belley | 9,388 | 9.8 | A− | B− | B− | B |
| Lagnieu | 7,411 | 10 | B+ | B− | B | C+ |
| Les Avenières Veyrins-Thuellin Isère | 7,698 | 11 | C+ | B | B− | B+ |
| Dolomieu Isère | 3,173 | 12 | — | C | — | B+ |
People: INSEE, census 2023. Miles: center to center.
Commune in Ain, Auvergne-Rhône-Alpes
Seillonnaz is a commune of 134 people in the Communauté de communes de la Plaine de l'Ain. 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) · 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.