Surroundings

Orography

Situated in Bilbao district, in the valley of the lower Ibaizabal at the foot of the Sierra de Ganguren. Except for the central area the terrain is rough. To the north Galdakao is part of the "Sinclinorio de Bizkaia", formed by eocenic materials. Its greatest peaks are: Arrezurriaga (329 m.), Txispamendi (221 m.) and Santa María (476 m.). To the south the terrain rises to the mountain Upo (556 m.) and the hillsides of Mandoia (640 m.).

Hidrography

The river Aretxabalgane in "El Gallo" and the stream Lekubaso in Usansolo drain into the Ibaizabal river, wich is the most important water course in Galdakao.

Dividing Lines

To the North with Zamudio, Santa María de Lezama and Larrabetzu; to the South Zarátamo and Zeberio; to the East with Zornotza, Lemoa and Bedia; and to the West with Etxebarri and Basauri.

Population

Galdakao has experienced a continuous growth, wich reaches its high density in the 50´s and 60´s. The main reason was the setting up of a number of industries in the valley of Ibaizabal, wich brought a great number of immigrants. The crisis of the 70´s ended with this expansive period. This growth crisis became more evident throughout the 80´s.

Geographical Coordinates:

  • 43° 13' 50'' latitude North
  • 2° 50' 45'' longitude West

Height:

  • 60 m.

Extension:

  • 31,70 Km2
Evolution of Galdakao's population in years
Year 1900 1920 1940 1960 1980 2000
Inhab. 2.825 4.886 7.101 10.556 26.755 29.387

La The population of Galdakao, according to a survey carried out by the same Town Hall in 2015, is as follows:

Galdakao's population, by sex and age in 2015
Age 0-10 age 11-20 age 21-30 age 31-40 age 41-50 age 51-60 age 61-70 age 71-80 age 81-90 age 91-100 age 101-110 age TOTAL
Men 1.458 1.353 1.494 2.163 2.207 2.451 1.854 939 516 49 1 14.485
Women 1.303 1.230 1.354 2.086 2.244 2.611 1.896 1.189 842 164 5 14.924
Total 2.761 2.583 2.848 4.249 4.451 5.062 3.750 2.128 1.358 213 6 29.409