Colony is a city in Anderson County, Kansas, United States. As of the 2010 census, the city population was 408.
Colony is located at 38°4′15″N 95°21′58″W / 38.07083°N 95.36611°W / 38.07083; -95.36611 (38.070803, -95.366109). According to the United States Census Bureau, the city has a total area of 0.5 square miles (1.3 km²), all of it land.
As of the census of 2000, there were 397 people, 160 households, and 120 families residing in the city. The population density was 794.7 people per square mile (306.6/km²). There were 186 housing units at an average density of 372.3 per square mile (143.6/km²). The racial makeup of the city was 94.96% White, 0.25% African American, 0.76% Native American, 0.25% Asian, and 3.78% from two or more races. Hispanic or Latino of any race were 2.02% of the population.