Franklin County is a county located in the state of Ohio, United States. As of 2000, the population was 1,068,978. According to the U.S. Census Bureau's 2006 Population Estimates, the population had grown to 1,095,662, which makes it the second largest county in Ohio and the 34th largest county in population in the United States. Its county seat is Columbus, which is located in the middle of the county. Columbus is the largest city in Ohio and the 15th largest city in the United States, according to the U.S. Census Bureau's 2005 Population Estimates. Columbus makes up about 66.56% of the population of the county, the rest being provided by various suburbs and townships, and Franklin County itself makes up about 9.42% of the state population as of 2000. Franklin County, particularly Columbus, has been a centerpiece for presidential and U.S. congressional politics, most notably the 2000 United States presidential election, the 2004 United States presidential election, and the 2006 United States midterm elections. Franklin County is home to the largest university in the United States, The Ohio State University, which, as of Fall 2006, has an enrollment of 51,818 students. Franklin County apartments for rent comparison page shows most up to date rent information on Franklin County apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.