#13
Indianapolis, Indiana
US
Indianapolis, often abbreviated Indy, is the capital of the U.S. state of Indiana. As of the 2010 United States Census, the city's population is 829,718. It is Indiana's largest city and is the 14th largest city in the U.S., the third largest city in the Midwest (behind Chicago and Detroit), the second most populous state capital (after Phoenix, Arizona), and the most populous state capital east of the Mississippi River. Indianapolis is also one of the fastest growing regions in the Midwest.