2004 the extraction from the Cottingham and Keldgate bores, together with extraction at the nearby Springhead Pumping Station and at Dunswell (45.5 Ml d−1 each) supplies nearly half of Kingston upon Hull's water supply. In 1991, the population of Cottingham was recorded at 16,528. This had risen to 17,623 at the time of the 2001 UK census. According to the 2011 UK census, the population of the parish dropped to 17,164. Apart from the two Traveller's sites (Woodhill Way and Eppleworth Road) and a small number of farms, there are no habitation centres in the parish outside the main village. The eastern part of the parish is less than above sea level, it rises steadily to over above sea level on the western edge of the parish, which is at the edge of the Yorkshire Wolds hills. Present day The modern village has two main shopping streets, Hallgate and King Street which cross each other: Hallgate runs east to west from the medieval church to the triangular West Green, near the location of the former Baynard Castle; King Street runs north to south from Northgate to Newgate Street, Market Green (now a car park) is on the southern half of King Street, on the west side, and is the location of the council offices, library and civic hall. A market is held on Market Green on Thursday. The area including Hallgate and King Street, plus areas around and east of the railway station including Hull Road are part of a conservation Area as defined by the planning act of 1990. Cottingham was used by the University of Hull as the site of several of its accommodation campuses: The Lawns to the north-west of the village; and Thwaite Hall, and Needler's Hall, both built on the grounds of late 18th century merchant's houses, and extending the original residences. There are several other large halls and houses of distinction within and on the periphery of the village, mostly dating from the late 18th and early 19th century, including Southwood Hall (17th century), Newgate House, Eastgate House, Westfield House, The Green Wickets, Springfield House, Beech House, Elmtree House, 'The Bungalow', and Snuff Mill House. Within the historic village boundary there are some humbler buildings dating from the 18th century and earlier, which are now listed, The remainder of Cottingham's housing includes post-railway Victorian terraces, as well as a large amount of interwar period