Mole Valley 14 Liberal Democrats, and 7 Independents (6 Ashtead Independents and 1 Beare Green Independent). There are no Labour, UKIP or Green Party councillors. Surrey County Council, elected every four years, obtains six representatives from this area: The district, named after the River Mole, was formed on 1 April 1974, under the Local Government Act 1972, by a merger of the urban districts of Dorking and Leatherhead and most of the Dorking and Horley Rural District. A Legatum Prosperity Index published by the Legatum Institute in October 2016 showed Mole Valley as the second most prosperous council area in the United
River Mole Dorking drains an area of , of which approximately 60% is on Wealden Clay or Atherfield Clay, 20% is on Tunbridge Wells Sand and 20% is on greensand. Brickearth deposits are common in the valley around Betchworth and east of Dorking. The upper Mole catchment is dominated by a single broad terrace, which runs continuously from the entry to the Mole Gap as far south as Tilgate Forest. Above Meath Green (near Horley), the terrace corresponds to the flood plain of the river, however from this point downstream to Brockham, the river cuts a narrow trench no more than wide.