Mayfield is a city in Graves County, Kentucky, United States. The population was 10,349 at the 2000 census. It is the county seat of Graves County. Despite being in a dry county, sales by the drink in restaurants of the city limits of Mayfield seating at least 100 diners and at the Mayfield Golf & Country Club are allowed. There are no Sunday sales of alcoholic beverages permitted, except at Mayfield Golf and Country Club.