Hagerman is a city in Gooding County, Idaho, United States. The population was 872 at the 2010 census, up from 656 in 2000. The area is noted for its fossil beds and the Thousand Springs of the Eastern Snake Plain Aquifer. Hagerman is home to a national fish hatchery, a university research station, and extensive aquaculture, assisted by an abundance of geothermal water for temperature regulation. Fossil beds Hagerman is the home of the Hagerman Fossil Beds National Monument of the U. S. National Park Service. No other fossil beds preserve such varied land and aquatic species from the Pliocene. More than 180 animal species of both vertebrates and invertebrates and 35 plant species have been found in hundreds of individual fossil sites. Eight species are found nowhere else, and 43 were found here first. The Hagerman horse, Equus simplicidens, exemplifies the quality of the fossils. The Hagerman Horse Quarry fossil beds have produced 20 complete skeletons and a number of partial skeletons of this zebra-like ancestor of today’s horse. Geography Hagerman is located at (42.816904, -114.897546). According to the United States Census Bureau, the city has a total area of , of which, is land and is water. Demographics 2010 census As of the census of 2010, there were 872 people, 380 households, and 231 families living in the city. The population density was . There were 452 housing units at an average density of . The racial makeup of the city was 93.8% White, 0.1% African American, 0.7% Native American, 0.3% Asian, 3.4% from other races, and 1.6% from two or more races. Hispanic or Latino of any race were 13.8% of the population. There were 380 households, of which 26.8% had children under the age of 18 living with them, 45.0% were married couples living together, 10.3% had a female householder with no husband present, 5.5% had a male householder with no wife present, and 39.2% were non-families. 33.9% of all households were made up of individuals, and 19.7% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.88. The median age in the city was 46.1 years. 24.4% of residents were under the age of 18; 5.9% were between the ages of 18 and 24; 18.9% were from 25 to 44; 25.3% were from 45 to 64; and 25.2% were 65