Tilbrook is a small village just over a mile to the north-west of Kimbolton.  In 2011 census it had a population of 370 and the parish covered an area of 1,678 acres (679 hectares).  Tilbrook is one of the parishes of the District of Huntingdonshire, whose administrative centre is Huntingdon,

Tilbrook is watered by the River Til flowing through the centre of the parish, which is uniformly level where the soil is Oxford clay, with a subsoil of clay with occasional gravel.  The ground rises rapidly towards the north and south, where the height above the ordnance datum varies from 243 ft. to 262 ft. (74m - 80m).

Tilbrook has a church which contains a beautiful painted 15th century rood-screen retaining elaborate vaulting which supports the loft.