Steamboat Springs, often shortened to Steamboat, is a Home Rule Municipality that is the county seat and the most populous city of Routt County, Colorado, United States. As of the 2010 census, the city population was 12,088.
As of the census of 2000, there were 9,815 people, 4,084 households, and 2,082 families residing in the city. The population density was 976.1 people per square mile (377.1/km²). There were 6,373 housing units at an average density of 633.8 per square mile (244.8/km²). The racial makeup of the city was 96.9% White, 0.1% African American, 0.3% Native American, 0.5% Asian, 0.1% Pacific Islander, 0.7% from other races, and 1.3% from two or more races. Hispanic or Latino of any race were 3.1% of the population.
There were 4,084 households out of which 26.4% had children under the age of 18 living with them, 41.5% were married couples living together, 6.0% had a female householder with no husband present, and 49.0% were non-families. Additionally, 27.0% of all households were made up of individuals and 3.1% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.84.
In the town the population was spread out with 18.7% under the age of 18, 13.8% from 18 to 24, 40.1% from 25 to 44, 23.1% from 45 to 64, and 4.4% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 123.6 males. For every 100 females age 18 and over, there were 128.1 males.
The median income for a household in the city was $54,647, and the median income for a family was $65,685. Males had a median income of $35,536 versus $28,244 for females. The per capita income for the city was $31,695. About 2.7% of families and 7.2% of the population were below the poverty line, including 4.4% of those under age 18 and 3.1% of those age 65 or over.
Steamboat Springs Colorado neighborhoods include: Elk River Estate, Elk River Mountain Ranch, Fairview, Steamboat, Heritage Pk, SSII & Spur, Lower elk river, Marabou Ranch, Riverside, Sleepy Bear/West Acres, Steamboat Springs, Timbers Village, Whitewood