|• 1931||6,356 acres (25.72 km2)|
|• 1961||6,372 acres (25.79 km2)|
|•��1921||6,136 (equivalent area)|
|• Succeeded by||Castle Point|
Benfleet Urban District was an urban district in the county of Essex, England. It was created on 1 October 1929 by the merger of the civil parishes of Hadleigh, South Benfleet and Thundersley, all previously in the Rochford Rural District.
Since 1 April 1974 it has formed part of the Borough of Castle Point.