Beaver is a city in Amaqua Township, Boone County, Iowa, United States. The population was 46 at the 2020 census. It is part of the 'Boone, Iowa Micropolitan Statistical Area', which is a part of the larger Ames-Boone, Iowa Combined Statistical Area. History Beaver was laid out in 1879. The community takes its name from nearby Beaver Creek. The city was incorporated in 1911. Geography Beaver is located at (42.037808, -94.141096). 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 48 people, 20 households, and 13 families living in the city. The population density was . There were 28 housing units at an average density of . The racial makeup of the city was 100.0% White. There were 20 households, of which 25.0% had children under the age of 18 living with them, 55.0% were married couples living together, 10.0% 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 20% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 3.08. The median age in the city was 44.5 years. 25% of residents were under the age of 18; 6.4% were between the ages of 18 and 24; 18.9% were from 25 to 44; 29.2% were from 45 to 64; and 20.8% were 65 years of age or older. The gender makeup of the city was 43.8% male and 56.3% female. 2000 census As of the census of 2000, there were 53 people, 21 households, and 14 families living in the city. The population density was . There were 26 housing units at an average density of . The racial makeup of the city was 94.34% White, 1.89% Native American, 1.89% Asian, and 1.89% from two or more races. Hispanic or Latino of any race were 1.89% of the population. There were 21 households, out of which 28.6% had children under the age of 18 living with them, 61.9% were married couples living together, 9.5% had a female householder with no husband present, and 28.6% were non-families. 23.8% of all households were made up of individuals, and 9.5% had someone living alone who was 65 years of age or older. The average household size