Zionsville is a suburban town located in the extreme southeast area of Boone County, Indiana, United States, northwest of Indianapolis. The population was 14,160 at the 2010 census, 30,693 at the 2020 census. Zionsville promotes itself as a tourist attraction, centered on its village-styled downtown area. This area consists primarily of Main Street, paved entirely in brick, which is lined with small retail stores and restaurants.