Each edition grades its towns against each other only.
338 residents make their home in this town in Isère, Auvergne-Rhône-Alpes.
Grades start at 1,000 residents for French towns, so La Forteresse has none.
The Culture ministry lists no building in La Forteresse as a monument historique. That’s true of 25% of compared French towns too.
The nearest classé monument is maison Burgaud, in Tullins, 4.2 mi away.
30% of its homes were built before 1919, against 7.4% in the median compared French town.
Explore the history →Data highlights are ordered by what stands out in La Forteresse.
Children under 15 make up 19%, near Isère’s towns (18%) and higher than compared French towns (17%). Those 65 and older account for 23% of residents. Half of La Forteresse is older than 43.6, half younger.
54% women, 46% men
About 87 men for every 100 women. Median share of women: Isère 51.3%, France 51.8%.
| La Forteresse | Isère median | France median | |
|---|---|---|---|
| Under 15 | 19% | 18% | 17% |
| 15–24 | 9.8% | 11% | 11% |
| 25–44 | 23% | 23% | 23% |
| 45–64 | 25% | 26% | 26% |
| 65+ | 23% | 21% | 22% |
| No diploma | 18% | 19% | 19% |
| CAP or BEP | 28% | 24% | 26% |
| Baccalauréat | 19% | 18% | 18% |
| Higher education | 29% | 33% | 30% |
INSEE, census 2023 · Isère median and France median: the median of compared communes
After tax and benefits, the median income is €28,430 a year per consumption unit. La Forteresse has 50 jobs for 150 working residents, 0.2 per worker. Bus, tram or train carried 2.8% of working residents in La Forteresse to work at the census.
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.
Between July 2023 and June 2026, buyers took 5 homes in La Forteresse. Renting a house costs an estimated €11.27/m² a month.
Source: Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Nothing in La Forteresse is on the monuments historiques list. These are the nearest classé monuments, within 15.5 mi.
Wikidata has nobody with a French article born in La Forteresse 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 |
|---|---|---|---|---|---|---|
| La Forteresse | 338 | — | — | — | — | — |
| Tullins | 7,624 | 4.2 | C− | C+ | C− | C+ |
| Saint-Étienne-de-Saint-Geoirs | 3,425 | 4.2 | B | B− | C+ | B+ |
| Renage | 3,348 | 5 | B | B+ | B+ | B |
| Vinay | 4,438 | 5.9 | A+ | B+ | A− | B− |
| Rives | 6,549 | 6.1 | C+ | B− | C+ | B |
| Le Grand-Lemps | 3,083 | 7.1 | B | B | B | B− |
People: INSEE, census 2023. Miles: center to center.
Commune in Isère, Auvergne-Rhône-Alpes
La Forteresse is a commune of 338 people in the Communauté de communes Bièvre Isère. 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 November 4, 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.