| Armentieux | |
|---|---|
| Coordinates: 43°31′16″N0°05′30″E / 43.5211°N 0.0917°E | |
| Country | France | 
| Region | Occitania | 
| Department | Gers | 
| Arrondissement | Mirande | 
| Canton | Pardiac-Rivière-Basse | 
| Intercommunality | CC Bastides Vallons Gers | 
| Government | |
| • Mayor (2020–2026) | Patrick Larribat [1] | 
| Area 1 | 4.83 km2 (1.86 sq mi) | 
| Population  (2021) [2]  | 72 | 
| • Density | 15/km2 (39/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code |  32008 /32230 | 
| Elevation | 141–221 m (463–725 ft) (avg. 159 m or 522 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Armentieux (Occitan : Armentiu) is a commune in the Gers department in southwestern France.
Armentieux is located in the canton of Pardiac-Rivière-Basse and in the arrondissement of Mirande.
 
 | Year | Pop. | ±% | 
|---|---|---|
| 1962 | 113 | — | 
| 1968 | 93 | −17.7% | 
| 1975 | 76 | −18.3% | 
| 1982 | 79 | +3.9% | 
| 1990 | 71 | −10.1% | 
| 1999 | 76 | +7.0% | 
| 2008 | 81 | +6.6% | 
| 2015 | 78 | −3.7% | 

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