La Forteresse

La Forteresse is a commune in the Isère department in southeastern France.

This article is about the commune in France. For the Canadian film, see La Forteresse (film).
La Forteresse
Commune
An old view of La Forteresse
Location of La Forteresse
La Forteresse
La Forteresse
Coordinates: 45°17′44″N 5°24′15″E
CountryFrance
RegionAuvergne-Rhône-Alpes
DepartmentIsère
ArrondissementVienne
CantonBièvre
IntercommunalityBièvre Toutes Aures
Government
 • Mayor (2014–2020) Evelyne Collet
Area
1
9.22 km2 (3.56 sq mi)
Population
 (2017-01-01)[1]
322
 • Density35/km2 (90/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.

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.[2]

Population
Historical population
YearPop.±%
1793380—    
1806438+15.3%
1821450+2.7%
1831486+8.0%
1841481−1.0%
1851493+2.5%
1861448−9.1%
1872427−4.7%
1881457+7.0%
1891395−13.6%
1901354−10.4%
1911323−8.8%
1921281−13.0%
1931279−0.7%
1946295+5.7%
1962277−6.1%
1968262−5.4%
1975250−4.6%
1982245−2.0%
1990251+2.4%
1999235−6.4%
2007291+23.8%
2011308+5.8%

See also

References
  1. "Populations légales 2017". INSEE. Retrieved 6 January 2020.
  2. "Bulletin of Acts of the French Republic" (in French). Gallica. 17 December 1929.
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