Kulm, North Dakota  Kulm is a city in LaMoure County, North Dakota, United States. The population was 354 at the 2010 census. Kulm was founded in 1892. Kulm is located at (46.301844, -98.948135). According to the United States Census Bureau, the city has a total area of , all of it land. Kulm Municipal Airport is a public use airport located one nautical mile (1.85 km) northeast of the central business district of Kulm. As of the census of 2010, there were 354 people, 179 households, and 91 families residing in the city. The population density was . There were 248 housing units at an average density of . The racial makeup of the city was 97.7% White, 0.3% Native American, 1.4% from other races, and 0.6% from two or more races. Hispanic or Latino of any race were 4.5% of the population. There were 179 households of which 19.6% had children under the age of 18 living with them, 44.7% were married couples living together, 3.4% had a female householder with no husband present, 2.8% had a male householder with no wife present, and 49.2% were non-families. 45.3% of all households were made up of individuals and 30.7% had someone living alone who was 65 years of age or older. The average household size was 1.98 and the average family size was 2.77. The median age in the city was 51.3 years. 21.5% of residents were under the age of 18; 5% were between the ages of 18 and 24; 16.1% were from 25 to 44; 25.1% were from 45 to 64; and 32.2% were 65 years of age or older. The gender makeup of the city was 45.8% male and 54.2% female. As of the census of 2000, there were 422 people, 214 households, and 123 families residing in the city. The population density was 1,335.7 people per square mile (509.2/km²). There were 251 housing units at an average density of 794.5 per square mile (302.8/km²). The racial makeup of the city was 99.05% White, 0.24% Native American, 0.24% from other races, and 0.47% from two or more races.