Iowa City is a city in Johnson County, Iowa, United States. It is the only City of Literature in North America, as awarded by UNESCO in 2008. As of the 2010 Census, the city had a total population of about 67,862. The Census Bureau estimated the 2014 population at 73,415, making it the fifth-largest city in the state. Iowa City is the county seat of Johnson County and home to the University of Iowa. Iowa City is adjacent to the town of Coralville, and surrounds the town of University Heights, with which it forms a contiguous urban area. Iowa City is the principal city of the Iowa City Metropolitan Statistical Area, which encompasses Johnson County and Washington County and has a population of over 164,000.