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is a city in Putnam County, Tennessee, United States. The population was 23,923 at the 2000 census. The 2007 Census estimate of Cookeville's population is 28,901, and the combined total of those living in Cookeville's ZIP codes in 2000 is 55,448. It is the county seat of Putnam County and home to Tennessee Technological University. It is recognized as one of the country's micropolitan areas, smaller towns which nevertheless function as significant economic hubs. Of the twenty micropolitan areas in Tennessee, Cookeville is the largest with a 2007 population of 101,682.
According to the United States Census Bureau, the city has a total area of 22.0 square miles (57.1 km²), of which, 21.9 square miles (56.6 km²) of it is land and 0.2 square miles (0.4 km²) of it (0.77%) is water.
Average annual temperature, 57 degrees F. Monthly average high, January 52.9 degrees F. and July 88 degrees F. Monthly average low, January 37.2 degrees F. Average annual precipitation, 51", Average annual snowfall, 8". Prevailing wind, SE. Mean length of freeze free period, 211 days, Average relative humidity: 12:00 Midnight - 79%; 6 am - 85%; Noon - 48%; 6 p.m. - 62%. Altitude 2,140 feet above sea level.
Cookeville is located approximately 80 miles east of Nashville and 100 miles west of Knoxville on Interstate 40. Chattanooga is approximately 90 miles to the south on Appalachian Corridor J, or Tennessee Highway 111.
Located on the first tier of the Cumberland Plateau, Cookeville's elevation is a few hundred feet higher than either Nashville or Knoxville. As a result, temperatures and humidity levels are generally slightly lower in Cookeville than in either the Nashville Basin or in the Tennessee Valley.
Three man-made lakes maintained by the Corps of Engineers are located near Cookeville, created to help flood control in the narrow valleys of the Cumberland Plateau: Center Hill Lake, Cordell Hull Lake, and Dale Hollow Lake.