Census Bureau, the city has a total area of , all of it land. Climate According to the Köppen Climate Classification system, Castleford has a semi-arid climate, abbreviated "BSk" on climate maps. Demographics 2010 census As of the census of 2010, there were 226 people, 90 households, and 48 families residing in the city. The population density was . There were 103 housing units at an average density of . The racial makeup of the city was 87.6% White, 0.4% Asian, 8.8% from other races, and 3.1% from two or more races. Hispanic or Latino of any race were 35.0% of the population. There were 90 households, of which 31.1% had children under the age of 18 living with them, 41.1% were married couples living together, 6.7% had a female householder with no husband present, 5.6% had a male householder with no wife present, and 46.7% were non-families. 37.8% of all households were made up of individuals, and 14.5% had someone living alone who was 65 years of age or older. The average household size was 2.51 and the average family size was 3.56. The median age in the city was 33.7 years. 26.1% of residents were under the age of 18; 12.8% were between the ages of 18 and 24; 27% were from 25 to 44; 21.7% were from 45 to 64; and 12.4% were 65 years of age or older. The gender makeup of the city was 50.4% male and 49.6% female. 2000 census As of the census of 2000, there were 277 people, 95 households, and 62 families residing in the city. The population density was . There were 105 housing units at an average density of . The racial makeup of the city was 80.14% White, 0.36% African American, 1.08% Native American, 0.36% Pacific Islander, 14.08% from other races, and 3.97% from two or more races. Hispanic or Latino of any race were 38.27% of the population. There were 95 households, out of which 40.0% had children under the age of 18 living with them, 49.5% were married couples living together, 13.7% had a female householder with no husband present, and 33.7% were non-families. 27.4% of all households were made up of individuals, and 13.7% had someone living alone who was 65 years of age or older. The average household size was 2.92 and the average family size was 3.60. In the city, the population was