Indianapolis, often shortened to Indy, is the state capital and most populous city of the U.S. state of Indiana and the seat of Marion County. According to 2017 estimates from the U.S. Census Bureau, the consolidated population of Indianapolis and Marion County was 872,680. The “balance” population, which excludes semi-autonomous municipalities in Marion County, was 863,002. It is the 17th most populous city in the U.S. The Indianapolis metropolitan area is the 34th most populous metropolitan statistical area in the U.S., with 2,028,614 residents. Its combined statistical area ranks 27th, with a population of 2,411,086. Indianapolis covers 368 square miles (950 km2), making it the 16th largest city by land area in the U.S.