Milan is a city in Sullivan County, Missouri, United States. The population was 1,960 at the 2010 census. It is the county seat of Sullivan County. It is prounouced MY-lun.
Milan is located at 40°12′6″N 93°7′30″W / 40.20167°N 93.125°W / 40.20167; -93.125 (40.201661, -93.125092). According to the United States Census Bureau, the city has a total area of 1.8 square miles (4.7 km²), all of it land.
As of the census of 2010, there were 1,960 people, 782 households, and 477 families residing in the city. The population density was 1,068.4 people per square mile (413.1/km²). There were 857 housing units at an average density of 467.6 per square mile (180.8/km²). The racial makeup of the city was 89.12% White, 0.10% African American, 0.36% Native American, 0.15% Asian, 0.10% Pacific Islander, 8.63% from other races, and 1.53% from two or more races. Hispanic or Latino of any race were 21.86% of the population.