Dietrich is a city in Lincoln County, Idaho, United States. The population was 284 at the 2020 census. Geography Dietrich is located at (42.912070, -114.264879). 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 332 people, 94 households, and 72 families living in the city. The population density was . There were 103 housing units at an average density of . The racial makeup of the city was 90.1% White, 3.3% African American, 0.9% Native American, 0.3% Pacific Islander, and 5.4% from other races. Hispanic or Latino of any race were 10.2% of the population. There were 94 households, of which 48.9% had children under the age of 18 living with them, 68.1% were married couples living together, 4.3% had a female householder with no husband present, 4.3% had a male householder with no wife present, and 23.4% were non-families. 21.3% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older. The average household size was 3.53 and the average family size was 4.22. The median age in the city was 25.4 years. 41.3% of residents were under the age of 18; 7.9% were between the ages of 18 and 24; 21% were from 25 to 44; 20.7% were from 45 to 64; and 8.7% were 65 years of age or older. The gender makeup of the city was 51.8% male and 48.2% female. 2000 census As of the census of 2000, there were 150 people, 58 households, and 41 families living in the city. The population density was . There were 62 housing units at an average density of . The racial makeup of the city was 92.67% White, 0.67% African American, and 6.67% from two or more races. Hispanic or Latino of any race were 0.67% of the population. There were 58 households, out of which 34.5% had children under the age of 18 living with them, 55.2% were married couples living together, 8.6% had a female householder with no husband present, and 29.3% were non-families. 27.6% of all households were made up of individuals, and 17.2% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.20. In the city,