Nashville has a consolidated city-county government which includes seven smaller municipalities in a two-tier system. The population of '''Nashville-Davidson County''' stood at 613,856 as of 2006, according to United States Census Bureau estimates. The 2006 population of the entire 13-county Nashville Metropolitan Statistical Area was 1,486,695, making it the largest and fastest-growing [[United States metropolitan area|metropolitan area]] in the state. | Nashville has a consolidated city-county government which includes seven smaller municipalities in a two-tier system. The population of '''Nashville-Davidson County''' stood at 613,856 as of 2006, according to United States Census Bureau estimates. The 2006 population of the entire 13-county Nashville Metropolitan Statistical Area was 1,486,695, making it the largest and fastest-growing [[United States metropolitan area|metropolitan area]] in the state. |