Bloomington, pop. 64,808 (2000 census), is a city in the Midwest state of Illinois in the United States of America, on the classic Route 66 highway across the country. With neighboring Normal (pop. 45,386 2000 census), it forms a combined community of over 110,000 known locally as the Twin Cities. Illinois Wesleyan University is in Bloomington, and is not to be confused with Illinois State University in Normal. The community is located in the heart of Central Illinois, approximately 125 miles southwest of Chicago, 155 miles northeast of St. Louis, and 64 miles northeast of Springfield, the State Capital. Bloomington is the County Seat of McLean County, the largest county in Illinois (approximately 762,240 acres). Interstates 39, 55 and 74 converge on Bloomington-Normal, as well as US Route 51 and State Route 9. Bloomington-Normal is also serviced by four major railroad lines and Amtrak, as well as air transportation at the Central Illinois Regional Airport, one of the fastest growing airports in the country, which services commuter, corporate, and private aircraft. The Twin Cities are located in one of the most productive agricultural areas in the nation, but the economy is diverse and well-balanced. In addition to the major manufacturers and industries, there are two universities, three hospitals, a convention center, two indoor malls, an outdoor outlet mall, and many banks and Savings & Loan Associations located in Bloomington-Normal. The City of Bloomington is one of the fastest growing metropolitan areas in Illinois with an estimated 20.25% increase in population between 1986 and 1995. New construction continues to enhance residential, industrial and commercial growth.