Sublette, Kansas 

As of the census of 2010, there were 1,453 people, 556 households, and 409 families residing in the city. The population density was 1,579.3 inhabitants per square mile (609.8 /km2). There were 626 housing units at an average density of 680.4 per square mile (262.7 /km2). The racial makeup of the city was 85.1% White, 0.1% African American, 1.0% Native American, 0.1% Asian, 11.8% from other races, and 2.0% from two or more races. Hispanic or Latino of any race were 26.8% of the population.

There were 556 households of which 38.3% had children under the age of 18 living with them, 61.0% were married couples living together, 8.1% had a female householder with no husband present, 4.5% had a male householder with no wife present, and 26.4% were non-families. 24.3% of all households were made up of individuals and 11.4% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 3.09.

The median age in the city was 36.9 years. 28.8% of residents were under the age of 18; 7.6% were between the ages of 18 and 24; 23.5% were from 25 to 44; 27.9% were from 45 to 64; and 12.2% were 65 years of age or older. The gender makeup of the city was 49.7% male and 50.3% female.