Nieuwerkerk aan den IJssel (population: 21,649) is a town in the western Netherlands, in the province of South Holland. The municipality covers an area of 18.47 km².
The municipality of Nieuwerkerk aan den IJssel also includes the following towns, villages and townships: Groot Hitland[?], Klein Hitland[?], Kortenoord[?].
... 65 years of age or older. The average household size is 3.42 and the average family size is 3.67.
In the town the population is spread out with 30.3% under the age of ...