La Tronche

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La Tronche
Commune
A general view of La Tronche
Coat of arms
Location of La Tronche
La Tronche Show map of France La Tronche Show map of Auvergne-Rhône-Alpes
Coordinates: 45°12′26″N 5°44′28″E / 45.2072°N 5.7411°E / 45.2072; 5.7411
Country	France
Region	Auvergne-Rhône-Alpes
Department	Isère
Arrondissement	Grenoble
Canton	Meylan
Intercommunality	Grenoble-Alpes Métropole
Government
• Mayor (2020–2026)	Bertrand Spindler^[1]
Area ¹	6.4 km² (2.5 sq mi)
Population (2021)^[2]	6,470
• Density	1,000/km² (2,600/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	38516 /38700
Elevation	207–1,045 m (679–3,428 ft) (avg. 220 m or 720 ft)
¹ French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.

Historical population

Year	Pop.	±% p.a.
1793	997	—
1800	1,164	+2.24%
1806	1,095	−1.01%
1821	1,109	+0.08%
1831	1,372	+2.15%
1836	1,519	+2.06%
1841	1,537	+0.24%
1846	1,631	+1.19%
1851	1,722	+1.09%
1856	1,704	−0.21%
1861	1,728	+0.28%
1866	1,980	+2.76%
1872	2,131	+1.23%
1876	2,288	+1.79%
1881	2,385	+0.83%
1886	2,446	+0.51%
1891	2,428	−0.15%
1896	2,754	+2.55%

Year	Pop.	±% p.a.
1901	2,887	+0.95%
1906	2,857	−0.21%
1911	2,922	+0.45%
1921	3,461	+1.71%
1926	4,200	+3.95%
1931	5,572	+5.82%
1936	5,602	+0.11%
1946	5,364	−0.43%
1954	6,320	+2.07%
1962	7,517	+2.19%
1968	7,993	+1.03%
1975	7,410	−1.08%
1982	6,690	−1.45%
1990	6,454	−0.45%
1999	6,433	−0.04%
2007	6,079	−0.71%
2012	6,627	+1.74%
2017	6,596	−0.09%

Source: EHESS^[5] and INSEE (1968-2017)^[6]

^ "Répertoire national des élus: les maires". data.gouv.fr, Plateforme ouverte des données publiques françaises (in French). 2 December 2020.

^ "Populations légales 2021" (in French). The National Institute of Statistics and Economic Studies. 28 December 2023.

^ INSEE commune file

^ Unité urbaine 2020 de Grenoble (38701), INSEE

^ Des villages de Cassini aux communes d'aujourd'hui: Commune data sheet La Tronche, EHESS (in French).

^ Population en historique depuis 1968, INSEE

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