Charlotte is the largest city in the state of North Carolina and the 20th largest city in the United States. It has a 2006 estimated population of approximately 664,342 as of January 1, 2007. It is the county seat of Mecklenburg County, and is located in the south-central part of the state in the Piedmont region, near the South Carolina border. The city's economy has matured in the 1990s and early 2000s to become dominated by financial services, as well as retail commerce. According to 2006 estimates, Charlotte is the 5th fastest growing among large U.S. cities. Charlotte apartments for rent comparison page shows most up to date rent information on Charlotte apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.