Buck Grove is a city in Crawford County, Iowa, United States. The population was 34 at the 2020 census. Geography Buck Grove is located at (41.918646, -95.397265). According to the United States Census Bureau, the city has a total area of , all land. Demographics 2010 census As of the census of 2010, there were 43 people, 18 households, and 12 families living in the city. The population density was . There were 19 housing units at an average density of . The racial makeup of the city was 100.0% White. There were 18 households, of which 33.3% had children under the age of 18 living with them, 61.1% were married couples living together, 5.6% had a male householder with no wife present, and 33.3% were non-families. 27.8% of all households were made up of individuals, and 5.6% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 3.00. The median age in the city was 51.5 years. 27.9% of residents were under the age of 18; 0.0% were between the ages of 18 and 24; 18.6% were from 25 to 44; 30.2% were from 45 to 64; and 23.3% were 65 years of age or older. The gender makeup of the city was 55.8% male and 44.2% female. 2000 census As of the census of 2000, there were 49 people, 20 households, and 13 families living in the city. The population density was . There were 21 housing units at an average density of . The racial makeup of the city was 100.00% White. There were 20 households, out of which 25.0% had children under the age of 18 living with them, 60.0% were married couples living together, 5.0% had a female householder with no husband present, and 35.0% were non-families. 30.0% of all households were made up of individuals, and 15.0% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.77. In the city, the population was spread out, with 20.4% under the age of 18, 6.1% from 18 to 24, 34.7% from 25 to 44, 28.6% from 45 to 64, and 10.2% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 122.7 males. For every 100 females