Castin (French pronunciation: [kastɛ̃]) is a commune in the Gers department in southwestern France.

Castin
Street of the town hall in Castin.
Street of the town hall in Castin.
Coat of arms of Castin
Map
Location of Castin
Castin is located in France
Castin
Castin
Castin is located in Occitanie
Castin
Castin
Coordinates: 43°41′31″N 0°32′50″E / 43.6919°N 0.5472°E / 43.6919; 0.5472
CountryFrance
RegionOccitania
DepartmentGers
ArrondissementAuch
CantonGascogne-Auscitaine
IntercommunalityCA Grand Auch Cœur Gascogne
Government
  Mayor (20202026) Pierrette Luche[1]
Area
1
11.22 km2 (4.33 sq mi)
Population
 (2023)[2]
337
  Density30.0/km2 (77.8/sq mi)
Time zoneUTC+01:00 (CET)
  Summer (DST)UTC+02:00 (CEST)
INSEE/Postal code
32091 /32810
Elevation148–266 m (486–873 ft)
(avg. 235 m or 771 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Geography

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Castin and its surrounding communes

Population

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Historical population
YearPop.±%
1962122    
1968136+11.5%
1975141+3.7%
1982188+33.3%
1990262+39.4%
1999261−0.4%
2008268+2.7%

See also

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References

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  1. "Répertoire national des élus: les maires" (in French). data.gouv.fr, Plateforme ouverte des données publiques françaises. 13 September 2022.
  2. "Populations de référence 2023" (in French). National Institute of Statistics and Economic Studies. 18 December 2025.