Trept

Trept
Commune
The church and surroundings of Trept
Location of Trept
Trept Show map of France Trept Show map of Auvergne-Rhône-Alpes
Coordinates: 45°41′14″N 5°19′14″E / 45.6872°N 5.3206°E / 45.6872; 5.3206
Country	France
Region	Auvergne-Rhône-Alpes
Department	Isère
Arrondissement	La Tour-du-Pin
Canton	Charvieu-Chavagneux
Government
• Mayor (2020–2026)	Eric Morel[1]
Area ^1	15.87 km^2 (6.13 sq mi)
Population  (2023)[2]	2,095
• Density	132.0/km^2 (341.9/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	38515 /38460
Elevation	219–360 m (719–1,181 ft) (avg. 270 m or 890 ft)
^1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km^2 (0.386 sq mi or 247 acres) and river estuaries.

Trept is a commune in the Isère department in southeastern France.^[3]

Populations

Historical population
Year Pop. ±% p.a. 1793 784 —     1821 641 −0.72% 1846 1,167 +2.43% 1872 1,290 +0.39% 1901 1,732 +1.02% 1926 1,251 −1.29% 1946 931 −1.47% 1962 817 −0.81%	Year Pop. ±% p.a. 1968 840 +0.46% 1975 853 +0.22% 1982 1,039 +2.86% 1990 1,164 +1.43% 1999 1,540 +3.16% 2007 1,717 +1.37% 2012 1,836 +1.35% 2017 2,170 +3.40%
Source: EHESS[4] and INSEE (1968-2017)[5]

See also

• Communes of the Isère department

References

1. "Répertoire national des élus: les maires". data.gouv.fr, Plateforme ouverte des données publiques françaises (in French). 9 August 2021.
2. "Populations de référence 2023" (in French). National Institute of Statistics and Economic Studies. 18 December 2025.
3. INSEE commune file
4. Des villages de Cassini aux communes d'aujourd'hui: Commune data sheet Trept, EHESS (in French).
5. Population en historique depuis 1968, INSEE