{{Use dmy dates|date=August 2023}} {{short description|Commune in Occitanie, France}} {{Expand French|date=December 2008|Ustou|topic = geo}} {{Infobox French commune |name = Ustou |commune status = Commune |image = Chateau de Mirabat.JPG |caption = Ruins of the chateau of Mirabat |arrondissement = Saint-Girons |canton = Couserans Est |INSEE = 09322 |postal code = 09140 |mayor = Alain Servat<ref>{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|website=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=2 December 2020|language=fr}}</ref> |term = 2020–2026 |intercommunality = |coordinates = {{coord|42.7997|1.2644|format=dms|display=inline,title}} |elevation m = 746 |elevation min m = 560 |elevation max m = 2803 |area km2 = 98.34 |population = {{France metadata Wikidata|population_total}} |population date = {{France metadata Wikidata|population_as_of}} |population footnotes = {{France metadata Wikidata|population_footnotes}} }}
'''Ustou''' ({{IPA|fr|ystu}}; {{langx|oc|Uston}}) is a commune in the Ariège department in southwestern France.
The commune of Ustou comprises several villages: Saint-Lizier, Le Trein, Sérac; and numerous hamlets, including: Escots, Bieille, Rouze.
==Population== Inhabitants of Ustou are called ''Ustouens'' in French.
{{Historical populations |source = INSEE<ref name=pophist>[https://www.insee.fr/fr/statistiques/8643952?geo=COM-09322#tableau-POPREF_G1 Population municipale entre 1968 et 2023], INSEE</ref> |percentages = pagr |align = none |1968 |502 |1975 |428 |1982 |520 |1990 |351 |1999 |299 |2007 |351 |2012 |324 |2017 |301 |2023 |281 }}
==Sights== * The Château de Mirabat, a Middle Ages castle, known to be in ruins in the 14th century, is in the communes of Seix, Oust and Ustou.
==See also== *Communes of the Ariège department
==References== {{reflist}}
{{Commons category|Ustou}} {{Ariège communes}}
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Category:Communes of Ariège (department) Category:Ariège communes articles needing translation from French Wikipedia
{{Ariège-geo-stub}}