Euclid is a city in Cuyahoga County, Ohio, United States. It is part of the Greater Cleveland Metropolitan Area, and borders Cleveland. As of the 2000 census, the city had a total population of 52,717. In 2006 Euclid's population was estimated at 48,717. In 2009, Euclid is celebrating its Bicentennial through a partnership between the mayor's office, the Euclid Public Library, and a citizens' committee of over 24 volunteers.