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La Forteresse

La Forteresse
An old view of La Forteresse
An old view of La Forteresse
Map
Location of La Forteresse
La Forteresse is located in France
La Forteresse
La Forteresse
Location within France
La Forteresse is located in Auvergne-Rhône-Alpes
La Forteresse
La Forteresse
Location within Auvergne-Rhône-Alpes
Coordinates: 45°17′44″N 5°24′15″E / 45.2956°N 5.4042°E / 45.2956; 5.4042
CountryFrance
RegionAuvergne-Rhône-Alpes
DepartmentIsère
ArrondissementVienne
CantonBièvre
Government
  Mayor (20202026) Evelyne Collet[1]
Area
1
9.22 km2 (3.56 sq mi)
Population
 (2023)[2]
338
  Density36.7/km2 (94.9/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

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

History

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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

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Historical population
YearPop.±% 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%
2023 338+0.81%
Source: INSEE[5]

See also

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References

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  1. "Répertoire national des élus: les maires". data.gouv.fr, Plateforme ouverte des données publiques françaises (in French). 2 December 2020.
  2. "Populations de référence 2023" (in French). National Institute of Statistics and Economic Studies. 18 December 2025.
  3. "Bulletin of Acts of the French Republic" (in French). Gallica. 17 December 1929.
  4. "Décret n° 2014-180 du 18 février 2014 portant délimitation des cantons dans le département de l'Isère | Legifrance". Retrieved 5 May 2021.
  5. Population municipale entre 1968 et 2023, INSEE