Earlham's 800-acre (3.2 km2) campus lies at the southwestern edge of Richmond, Indiana, a city of 36,812 (2010 census). The main quadrangle of the campus is called "the Heart". It is surrounded by Earlham Hall (with the Runyan Center student union directly behind it), Olvey-Andis Hall, Lilly Library, Carpenter Hall, Landrum Bolling Center, the science buildings (Stanley Hall, Noyes Hall and Dennis Hall), Tyler Hall, Bundy Hall and Barrett Hall.