Lafayette ( LAH-fee-ET, LAF-ee-ET) is a city in and the county seat of Tippecanoe County, Indiana, United States, located 63 miles (101 km) northwest of Indianapolis and 125 miles (201 km) southeast of Chicago. West Lafayette, on the other side of the Wabash River, is home to Purdue University, which contributes significantly to both communities. Together, Lafayette and West Lafayette form the core of the Lafayette, Indiana Metropolitan Statistical Area. According to the 2010 United States Census, the population of Lafayette was 67,140, a 19% increase from 56,397 in 2000. Meanwhile, the 2010 Census pegged the year-round (excluding Purdue University students) population of West Lafayette at 29,596 and the Tippecanoe County population at 172,780.Lafayette was founded in 1825 on the southeast bank of the Wabash River near where the river becomes impassable for riverboats upstream, though a French fort and trading post had existed since 1717 on the opposite bank and three miles downstream. It was named for the French general Marquis de Lafayette, a revolutionary war hero.

Boone County is a county in the U.S. state of Indiana. As of 2010, the population was 56,640. The county seat (and the county's only incorporated city) is Lebanon. Indiana's center of population is located in eastern Boone County, just northwest of the town of Sheridan in neighboring Hamilton County.

Montgomery County is a county in the U.S. state of Indiana. As of the 2010 United States Census, the population was 38,124. The county seat is Crawfordsville. The county is divided into eleven townships which provide local services.Montgomery County comprises the Crawfordsville, IN Micropolitan Statistical Area.

Indiana is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 United States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th state on December 11, 1816. It is bordered by Lake Michigan to the northwest, Michigan to the north, Ohio to the east, the Ohio River and Kentucky to the south and southeast, and the Wabash River and Illinois to the west.