Leerdam (population: 21,028) is a town in the western Netherlands, in the province of South Holland. The municipality covers an area of 35.18 km² (of which 0.36 km² water).
The municipality of Leerdam also includes the following towns, villages and townships: Kedichem[?], Oosterwijk[?], Schoonrewoerd[?].
... is spread out with 29.5% under the age of 18, 6.7% from 18 to 24, 33.6% from 25 to 44, 20.6% from 45 to 64, and 9.6% who are 65 years of age or older. The median age is 35 ...