Thornton-Cleveleys is a conurbation consisting of the village of Thornton and the town of Cleveleys. The two settlements formed a joint urban district from 1927 until 1974, before becoming part of Wyre. The two settlements constitute part of the Blackpool Urban Area.

The civil parish of Thornton became an urban district in 1900, and was then renamed Thornton-Cleveleys in 1927. On 1 April 1974 the urban district became part of the Borough of Wyre. Thornton-Cleveleys corresponds with five wards of the borough.

According to the 2001 census Thornton-Cleveleys has a population of 25,547, increasing to 28,703 at the 2011 census. The population of the individual borough council wards was recorded as:

• Bourne: 6,121 (2011 = 6,676)
• Cleveleys Park: 5,994 (2011 = 5,940)
• Jubilee: 4,186 (2011 = 4,025)
• Stanah: 5,267 (2011 = 6,111)
• Victoria: 5,851 (2011 = 5,951)

• Listed buildings in Thornton-Cleveleys