Norderhov is a former municipality in
Buskerud county, Norway.It was created in 1837 as Norderhoug
formannskapsdistrikt. According to the 1835 census the municipality had a population of 7,234. On
22 April 1852 the city of
Hønefoss was separated from Norderhov to constitute a separate administrative unit. In
1857 the rural district
Ådal was separated from Norderhov, leaving Norderhov with a population of 6,846.
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