De Bilt (Dutch pronunciation: [də ˈbɪlt] ^ⓘ) is a municipality and town in the province of Utrecht, Netherlands. It had a population of 43,384 in 2021. De Bilt houses the headquarters of the Royal Netherlands Meteorological Institute (KNMI).

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De Bilt
Municipality
Vollenhoven, De Bilt
Flag Coat of arms
Location in Utrecht
Coordinates: 52°7′N 5°12′E
Country	Netherlands
Province	Utrecht
Government [1]
• Body	Municipal council
• Mayor	Sjoerd Potters (VVD)
Area [2]
• Total	67.13 km2 (25.92 sq mi)
• Land	66.12 km2 (25.53 sq mi)
• Water	1.01 km2 (0.39 sq mi)
Elevation [3]	4 m (13 ft)
Population  (January 2021)[4]
• Total	43,384
• Density	656/km2 (1,700/sq mi)
Demonym	Biltenaar(s)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)
Postcode	3615, 3720–3732, 3737–3739
Area code	030, 0346
Website	www.debilt.nl

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It is the ancestral home and namesake for the prominent Vanderbilt family of the United States.

The municipality of De Bilt consists of the following cities, towns, villages and/or districts: Bilthoven, De Bilt, Groenekan, Hollandsche Rading, Maartensdijk, Westbroek.

Dutch Topographic map of the municipality of De Bilt, June 2015

• Nicolaas van Nieuwland (1510 in Maartensdijk – 1580) Bishop of Haarlem and abbot of Egmond Abbey 1562 to 1569.
• Joan Gideon Loten (1710 in Groenekan – 1789) worked in the Dutch East India Company, the 29th Governor of Zeylan
• The Vanderbilt family, prominent in the USA during the Gilded Age, has its name from the town, meaning 'from De Bilt'.
• Johan Beyen (1897 in Bilthoven – 1976) a politician, helped create the European Economic Community
• Auke Bloembergen (1927 in De Bilt – 2016) a jurist, justice at the Supreme Court of the Netherlands 1979 to 1993
• Els Borst (1932 – 2014 in Bilthoven) a Dutch politician, academic and physician
• Ad Donker (1933 in Bilthoven – 2002) a pioneering publisher of social critical works in South Africa
• Anne Sjerp Troelstra (1939 in Maartensdijk – 2019) a maths professor the Institute for Logic, Language and Computation at the University of Amsterdam.
• Madelon Hooykaas (born 1942 in Maartensdijk) a video artist, photographer and film maker
• Madelon Vriesendorp (born 1945 in Bilthoven) an artist, co-founded of the Office of Metropolitan Architecture
• Erik van der Wurff (1945 in De Bilt – 2014) a pianist, composer, arranger, producer and conductor^[5]
• Frederik de Groot (born 1946 in Bilthoven) a Dutch actor and TV spokesman for ING Direct Canada^[6]
• Thomas von der Dunk (born 1961) a cultural historian, writer and columnist; raised in Bilthoven
• Albert Schram (born 1964 in De Bilt) the Vice Chancellor of the Papua New Guinea University of Technology
• Bas Haring (born 1968 in De Bilt) a writer of popular science and children's literature and TV presenter
• Jetske van den Elsen (born 1972 in De Bilt) a Dutch female television presenter^[7]

• Overzicht van de westgevel - De Bilt
• Granito Kegels by Carel Lanters, Soestdijkseweg, Bilthoven
• Kantoor
• Buurtschap Nieuwe Wetering