Cosmos is a city in Meeker County, Minnesota, United States, along the South Fork of the Crow River. The population was 507 at the 2020 census.
Geography
thumb|left|Cosmos is on the Luce Line Trail for walking and biking.
Cosmos is in southwestern Meeker County along the South Fork of the Crow River. The city of Cosmos sits at the center of Cosmos Township, but is a separate municipality. Minnesota State Highways 4 (Milky Way Street) and 7 (Astro Boulevard) are the two main routes in the town. The space theme extends to other streets which are named after planets or constellations. MN 4 leads north to Grove City and south to Hector, while MN 7 leads east-southeast to Hutchinson and west to Clara City.
According to the U.S. Census Bureau, the city of Cosmos has a total area of , of which are land and , or 2.4%, are water.
2010 census
As of the census of 2010, there were 473 people, 229 households, and 120 families residing in the city. The population density was . There were 261 housing units at an average density of . The racial makeup of the city was 97.5% White, 0.2% African American, 0.2% Native American, 0.2% Pacific Islander, 1.5% from other races, and 0.4% from two or more races. Hispanic or Latino of any race were 1.7% of the population.
There were 229 households, of which 23.6% had children under the age of 18 living with them, 38.9% were married couples living together, 10.9% had a female householder with no husband present, 2.6% had a male householder with no wife present, and 47.6% were non-families. 38.0% of all households were made up of individuals, and 14.9% had someone living alone who was 65 years of age or older. The average household size was 2.07 and the average family size was 2.78.
The median age in the city was 45.2 years. 19.9% of residents were under the age of 18; 6.8% were between the ages of 18 and 24; 23.3% were from 25 to 44; 30.7% were from 45 to 64, and 19.5% were 65 years of age or older. The gender makeup of the city was 49.0% male and 51.0% female.
2000 census
thumb|City HallAs of the census