West Lafayette /ˌwɛst ˌlɑːfiˈɛt/ is a city in Tippecanoe County, Indiana, United States. It is located about 65 miles (105 km) northwest of the state capital of Indianapolis and 103 miles (166 km) southeast of Chicago. West Lafayette is directly across the Wabash River from its sister city, Lafayette. As of the 2010 census, its population was 29,596. It is the most densely populated city in Indiana as well as the most culturally diverse city in the Midwest and is home to Purdue University.