Haut-Mauco Commune Haut-Mauco Location within Nouvelle-Aquitaine region Haut-Mauco Coordinates: 43°49′36″N 0°33′15″W﻿ / ﻿43.8267°N 0.5542°W﻿ / 43.8267; -0.5542Coordinates: 43°49′36″N 0°33′15″W﻿ / ﻿43.8267°N 0.5542°W﻿ / 43.8267; -0.5542 Country France Region Nouvelle-Aquitaine Department Landes Arrondissement Mont-de-Marsan Canton Chalosse Tursan Intercommunality Cap de Gascogne Government • Mayor (2014–2020) Gilbert Lanne Area1 18.64 km2 (7.20 sq mi) Population (2013)2 897 • Density 48/km2 (120/sq mi) Time zone CET (UTC+1) • Summer (DST) CEST (UTC+2) INSEE/Postal code 40122 /40280 Elevation 49–91 m (161–299 ft) (avg. 85 m or 279 ft) 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries. 2 Population without double counting: residents of multiple communes (e.g., students and military personnel) only counted once.