Sterling is a home rule municipality and the county seat and most populous municipality of Logan County, Colorado, United States. Sterling is the principal city of the Sterling, CO Micropolitan Statistical Area. The city population was 13,753 at the 2020 census. Sterling is the largest city on the Colorado plains outside of the Front Range Urban Corridor and the county seat of Logan County and the site of the domed Logan County courthouse, built in 1909. History A post office called Sterling has been in operation since 1874. The community was named for Sterling, Illinois, the native home of a railroad official. Geography Sterling is northeast of Denver, and is located on Interstate 76, on the 'eastern plains' of northeastern Colorado. According to the United States Census Bureau, the city has a total area of , all land. Climate According to the Köppen Climate Classification system, Sterling has a semi-arid climate, abbreviated "BSk" on climate maps. <div style="width:65%"> </div styl> Demographics As of the 2020 census, there were 13,753 people, 4,604 households, and 2,790 families living in the city. The population density was . There were 5,171 housing units at an average density of . The racial makeup of the city was 90.75% Caucasian American, 0.75% African American, 0.79% Native American, 0.41% Asian, 0.08% Pacific Islander, 5.60% from other races, and 1.62% from two or more races. Hispanic or Latino of any race were 14.20% of the population. There were 4,604 households, out of which 30.6% had children under the age of 18 living with them, 46.2% were married couples living together, 10.8% had a female householder with no husband present, and 39.4% were non-families. 34.1% of all households were made up of individuals, and 14.7% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 3.03. In the city, the population was spread out, with 25.5% under the age of 18, 12.9% from 18 to 24, 25.5% from 25 to 44, 19.6% from 45 to 64, and 16.4% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 94.7 males. For every 100 females age 18 and over, there were 91.2 males. The median income for a household in the city was $27,337, and the median income for a family was $39,103. Males had a