Bloomington is a city in south central Indiana. Located about 50 miles southwest of Indianapolis, it is the county seat of Monroe County. As of the 2000 U.S. Census, the city had a total population of 69,291. Bloomington is the home of Indiana University's flagship campus (established in 1820) attended by about 40,000 students and the largest and original campus of the Indiana University system. It is also the home of the Kinsey Institute and The Midwest Proton Radiotherapy Institute. Bloomington has been named a Tree City for more than 20 years. The city was the site of the Academy Award-winning movie Breaking Away, featuring the annual IU bicycle race Little 500.