Culdesac is a city in Nez Perce County, Idaho, United States. The population was 380 at the 2010 census. It is part of the Lewiston, ID-WA Metropolitan Statistical Area. History Culdesac was named from its location at the end of a railroad line, i.e., a cul de sac. Geography Culdesac is located at (46.374883, -116.670333), at an elevation of above sea level. According to the United States Census Bureau, the city has a total area of , all of it land. Demographics 2010 census At the 2010 census there were 380 people in 156 households, including 106 families, in the city. The population density was . There were 176 housing units at an average density of . The racial makup of the city was 83.4% White, 15.8% Native American, 0.3% from other races, and 0.5% from two or more races. Hispanic or Latino of any race were 5.3%. Of the 156 households 32.7% had children under the age of 18 living with them, 43.6% were married couples living together, 14.7% had a female householder with no husband present, 9.6% had a male householder with no wife present, and 32.1% were non-families. 25.0% of households were one person and 11.5% were one person aged 65 or older. The average household size was 2.44 and the average family size was 2.85. The median age was 41 years. 22.9% of residents were under the age of 18; 8.2% were between the ages of 18 and 24; 23.2% were from 25 to 44; 30% were from 45 to 64; and 15.8% were 65 or older. The gender makeup of the city was 50.0% male and 50.0% female. 2000 census At the 2000 census there were 378 people in 152 households, including 107 families, in the city. The population density was . There were 171 housing units at an average density of . The racial makup of the city was 94.44% White, 0.53% African American, 2.65% Native American, 0.26% Pacific Islander, 0.26% from other races, and 1.85% from two or more races. Hispanic or Latino of any race were 1.59%. Of the 152 households 34.2% had children under the age of 18 living with them, 53.3% were married couples living together, 9.9% had a female householder with no husband present, and 29.6% were non-families. 25.7% of households were one person and 10.5% were one person aged 65 or older. The average household size was 2.49