Oxford is a city in northwestern Butler County, Ohio, United States, in the southwestern portion of the state. It lies in Oxford Township, originally called the College Township. The population was 21,943 at the 2000 census. This college town was founded as a home for Miami University. Oxford is served by U.S. Route 27, Ohio State Route 732, and Ohio State Route 73.
Although Miami was chartered in 1809, Oxford was laid out by James Heaton on March 29, 1810, by the Ohio General Assembly's order of February 6, 1810. It was established in R1ET5N of the Congress Lands in the southeast quarter of Section 22, the southwest corner of Section 23, the northwest corner of Section 26, and the northeast corner of Section 27. The original village, consisting of 128 lots, was incorporated on February 23, 1830. Oxford was elevated to town status in 1962 and to city status in 1971. Freedom Summer started with orientations at Western College in June 1964. This event is commemorated near the Kumler Chapel, Western Campus Miami University.
As of the census of 2000, there were 21,943 people, 5,870 households, and 2,066 families residing in the city. The population density was 3,734.4 people per square mile (1,440.9/km²). There were 6,134 housing units at an average density of 1,043.9 per square mile (402.8/km²). The racial makeup of the city was 91.20% White, 4.32% African American, 0.17% Native American, 2.42% Asian, 0.02% Pacific Islander, 0.48% from other races, and 1.39% from two or more races. Hispanic or Latino of any race were 1.44% of the population.