Milan is a city in Sumner County, Kansas, United States.

[5] According to the United States Census Bureau, the city has a total area of 0.13 square miles (0.34 km2), all of it land.

[6] A M4.9 earthquake occurred approximately 2.5 miles (4 km) ENE of Milan, Kansas on November 12, 2014.

The temblor occurred in a region previously devoid of significant seismic activity and followed rapid increases of fluid injection by multiple wastewater injection wells in the vicinity of the fault.

[7] The 2020 United States census counted 56 people, 27 households, and 20 families in Milan.

22.2% of households consisted of individuals and 11.1% had someone living alone who was 65 years of age or older.

22.2% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 96.35% White, 1.46% Native American, 2.19% from other races.

There were 11.4% of families and 6.2% of the population living below the poverty line, including no under eighteens and 14.3% of those over 64.

Operations were suspended indefinitely at the United States Post Office on November 29, 2011.

Previous businesses in Milan included a grocery store and a restaurant.

[citation needed] The community is served by Argonia USD 359 public school district.