Borough of Sedgefield
Shown within County Durham
Geography
Status:	Borough
Admin. County:	County Durham
Area: - Total	Ranked 179th 217.37 km²
Region:	North East England
Admin. HQ:	Spennymoor
ONS code:	20UG
Demographics
Population: - Total (2002 est.) - Density	Ranked 262nd 86,834 399 / km²
Ethnicity:	99.3% White
Politics
Sedgefield Borough Council http://www.sedgefield.gov.uk/
Leadership:	Leader & Cabinet
Executive:	Labour
MPs:	Derek Foster, Tony Blair

Sedgefield is a local government district and borough in County Durham, in north-east England. It has a population of about 87,000 (2001 UK census). It is named after Sedgefield; but its largest town is Newton Aycliffe. Other places include Shildon, and Spennymoor. It is represented in Parliament by Tony Blair.

The borough was formed in 1974 by the merger of Sedgefield Rural District , Spennymoor Urban District , Shildon Urban District and part of Darlington Rural District .