Balaguères is located some 4 km north-east of Audressein and 12 km south-west of Saint-Girons in the Parc naturel régional des Pyrénées ariégeoises. The north-west border of the commune is also the departmental border between Ariège and Haute-Garonne. Access to the commune is by the D618 road from Engomer in the east which passes through the south of the commune and continues south-west to Audressein. Access to the main village of Alas is by the D204A from Engomer and several local roads. The D204 goes north-west from the village through the hamlet of Agert to the hamlet of Balagué in the commune. The commune is farmland in the valley and forested on the mountain slopes.[3]
The Lez river flows through the south of the commune and the village from south-west to east and continues east then north-east to join the Salat at Saint-Girons. The Ruisseau de Lachein flows from the north-west through the commune, gathering several tributaries, to join the Lez at the village.[3]
Balagué, Agert, and Alas were all part of the lordship of Aspet in the 12th century together with Engomer, Montgauch, Bareilles, and Mauvezin de Prat. This lordship became a powerful Barony in the Middle Ages. On 12 December 1642 Guy d'Encausse, Lord of Labastide (near Rieucazé) purchased Alas-Balagué and gave it to Jean-Jacques de Solan. By decree in April 1667 King Louis XIV ordered the purchase of 18 parishes that had been committed in 1642 and 1643. They all returned to the Crown lands of France. Later, however, some were sold again (Castelbiague, Pointis-Inard, Alas-Agert-Balagué). Others remained in paréage[Note 1] with the king: Affis (His), Arbas, Ganties, Mauvezin, Montastruc, and Rouède. The rest remained permanently in the hands of the king as sole lord: Aspet, Chein, Escaich, Estadens, Montgauch-Bareilles, and Saleich.
The inhabitants of the commune are known as Balaguérois or Balaguéroises in French.[5]
Historical population
Year
Pop.
±% p.a.
1793
1,379
—
1800
731
−8.67%
1806
919
+3.89%
1821
955
+0.26%
1831
1,289
+3.04%
1836
1,295
+0.09%
1841
1,271
−0.37%
1846
1,296
+0.39%
1851
1,308
+0.18%
1856
1,224
−1.32%
1861
1,134
−1.52%
1866
1,199
+1.12%
1872
1,097
−1.47%
1876
1,077
−0.46%
1881
1,119
+0.77%
1886
1,056
−1.15%
1891
984
−1.40%
1896
985
+0.02%
Year
Pop.
±% p.a.
1901
895
−1.90%
1906
805
−2.10%
1911
779
−0.65%
1921
643
−1.90%
1926
632
−0.34%
1931
565
−2.22%
1936
474
−3.45%
1946
425
−1.09%
1954
361
−2.02%
1962
314
−1.73%
1968
314
+0.00%
1975
267
−2.29%
1982
223
−2.54%
1990
209
−0.81%
1999
192
−0.94%
2007
195
+0.19%
2012
200
+0.51%
2017
197
−0.30%
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Balaguères is one of the communes that have received the Esperanto Green Star, a distinction awarded to mayors of communes who identify with the speakers of the constructed language of Esperanto.