Jacksonville is the largest city in the state of Florida and the county seat of Duval County. Since 1968, Jacksonville has been the largest city in land area in the contiguous United States; this resulted from the consolidation of the city and county government, along with a corresponding expansion of the city limits to include almost the entire county. As of the 2006 census estimate, the city proper had an estimated population of 794,555 with a metropolitan population of more than.3 million. Jacksonville is the third most populated city on the East Coast, after New York City and Philadelphia. It is the central city of the Jacksonville Metropolitan Statistical Area, the fourth largest metropolitan area in the state. Jacksonville apartments for rent comparison page shows most up to date rent information on Jacksonville apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.