Belle Meade is a suburban city on the west side of Nashville, Tennessee in Davidson County. Its total land area is 3.1 square miles (8.0 km²), and its population was 2,901 at the 2020 census. The city functions as an independent municipality with its own regulations, city hall, and police department, distinct from the Metropolitan Nashville Government (Metro). Residents pay property taxes for these services, and also pay taxes to Metro for fire protection, ambulance service, and other municipal functions. Belle Meade is the wealthiest city in Tennessee. The median annual income of Belle Meade residents is more than $250,000, which exceeds the median annual income in the U.S. by more than three times.