La Forteresse

Commune in Auvergne-Rhône-Alpes, France

Location of La Forteresse

(2020–2026) Evelyne Collet^[1]Area

9.22 km² (3.56 sq mi)Population

(2021)^[2]

336 • Density36/km² (94/sq mi)Time zoneUTC+01:00 (CET) • Summer (DST)UTC+02:00 (CEST)INSEE/Postal code

38171 /38590

Elevation503–773 m (1,650–2,536 ft)¹ French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.

La Forteresse (French pronunciation: [la fɔʁtəʁɛs]) is a commune in the Isère department in southeastern France.

Geography

La Forteresse is located in the valley of Rival, and is about 550 meters away from Saint-Étienne-de-Saint-Geoirs.

History

La Forteresse belonged until 1929 to the canton of Tullins. Then, on 17 December 1929, it was attached to the canton of Saint-Étienne-de-Saint-Geoirs.^[3] Since 2015, it is part of the canton of Bièvre.^[4]

Population

Historical population
Year	Pop.	±% p.a.
1968	262	—
1975	250	−0.67%
1982	245	−0.29%
1990	251	+0.30%
1999	235	−0.73%
2007	291	+2.71%
2012	318	+1.79%
2017	322	+0.25%
Source: INSEE^[5]

References

^ "Répertoire national des élus: les maires". data.gouv.fr, Plateforme ouverte des données publiques françaises (in French). 2 December 2020.
^ "Populations légales 2021". The National Institute of Statistics and Economic Studies. 28 December 2023.
^ "Bulletin of Acts of the French Republic" (in French). Gallica. 17 December 1929.
^ "Décret n° 2014-180 du 18 février 2014 portant délimitation des cantons dans le département de l'Isère | Legifrance". Retrieved 5 May 2021.
^ Population en historique depuis 1968, INSEE