Basalt is a city in Bingham County, Idaho, United States. The population was 394 at the 2010 census. History The first settlement at Basalt was made in 1885. A post office called Basalt has been in operation since 1888. The community was named for deposits of basalt near the original town site. Geography Basalt is located at (43.314270, -112.163571). According to the United States Census Bureau, the city has a total area of , all of it land. Demographics 2010 census As of the census of 2010, there were 394 people, 132 households, and 108 families residing in the city. The population density was . There were 142 housing units at an average density of . The racial makeup of the city was 90.6% White, 0.8% Native American, 6.9% from other races, and 1.8% from two or more races. Hispanic or Latino of any race were 13.2% of the population. There were 132 households, of which 39.4% had children under the age of 18 living with them, 61.4% were married couples living together, 17.4% had a female householder with no husband present, 3.0% had a male householder with no wife present, and 18.2% were non-families. 15.9% of all households were made up of individuals, and 9.8% had someone living alone who was 65 years of age or older. The average household size was 2.98 and the average family size was 3.31. The median age in the city was 33 years. 29.4% of residents were under the age of 18; 7.9% were between the ages of 18 and 24; 23.4% were from 25 to 44; 20.9% were from 45 to 64; and 18.5% were 65 years of age or older. The gender makeup of the city was 46.2% male and 53.8% female. 2000 census As of the census of 2000, there were 419 people, 121 households, and 106 families residing in the city. The population density was . There were 133 housing units at an average density of . The racial makeup of the city was 84.96% White, 4.77% Native American, 8.35% from other races, and 1.91% from two or more races. Hispanic or Latino of any race were 14.80% of the population. There were 121 households, out of which 47.9% had children under the age of 18 living with them, 72.7% were married couples living together, 8.3% had a female householder with no husband present, and 11.6% were non-families. 11.6%