Worcester Park is a suburban town in southwest London, covering both the extreme north-west of the London Borough of Sutton in Greater London (east of the railway line that runs through the area) and the northernmost part of the Borough of Epsom and Ewell in Surrey (west of the railway). The area is south-west of Charing Cross. The suburb's population was 16,031 at the time of the 2001 census. The suburb comprises the Worcester Park ward, an electoral area of the London Borough of Sutton with a population in of , as well as the Cuddington ward, an electoral area of Epsom and Ewell, which had a population of 5,791 at the time of the 2001 census.