Chelmsford County is located in the English county of Essex. It is the county town of Essex and is the administrative centre for the county. The county is named after the town of Chelmsford, which is the county seat. The county has a population of over 1.2 million people and covers an area of 1, 845 square kilometres. It is home to a number of historic sites, including the Chelmsford Cathedral, Hylands House and Park, and the Chelmsford Museum.