Its biggest town is Brest, but the administrative center (préfecture) is Quimper[?].
Sous-préfectures: Brest, Châteaulin[?], Morlaix[?].
... years of age or older. The average household size is 3.21 and the average family size is 3.51. In the town the population is spread out with 29.5% under the age of 18, ...