History thumb|left|The Dr. Robert W. Cooke Medical Office, built c.1823 by Robert W. Cooke as a medical office. thumb|right|The Holmdel Horn Antenna The Lenape people were present in the 1600s when Europeans first showed up in the area that is now Holmdel. Holmdel was part of the Monmouth Tract setup by the English in 1675. The area was part of Middletown township when that was set up in 1693, but, split off in 1848 to form part of Raritan township (now Hazlet) which in turn split off Holmdel Township (February 23, 1857).
History thumb|left|The Dr Robert W Cooke Medical Office built c1823 by Robert W Cooke as a medical office thumb|right|The Holmdel Horn Antenna The Lenape people were present in the 1600s when Europeans first showed up in the area that is now Holmdel Holmdel was part of the Monmouth Tract setup by the English in 1675 The area was part of Middletown township when that was set up in 1693 but split off in 1848 to form part of Raritan township (now Hazlet) which in turn split off Holmdel Township (February 23 1857)