Frederiksværk is a municipality in eastern Denmark, on the island of Zealand. The municipality covers an area of 90 km², and has a total population of 20,121.
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... the census of 2000, there are 5,641 people, 1,755 households, and 1,463 families residing in the town. The population density is 1,533.8/km² (3,985.3/mi²). ...