Richfield is a city in Lincoln County, Idaho, in the United States. The population was 482 at the 2010 census. Geography Richfield is located at (43.052629, -114.153041). According to the United States Census Bureau, the city has a total area of , all of it land. The Little Wood River flows nearby, and the Richfield region is supplied with irrigation water diverted from the Big Wood River near Magic Reservoir. History A book about the History of the Richfield area was written in 1995 by Alice Crane Behr and Maureen Hancock Ward. It was subsequently published and printed. The text of this book is available at the Richfield City Website. Demographics 2010 census At the 2010 census there were 482 people in 172 households, including 124 families, in the city. The population density was . There were 195 housing units at an average density of . The racial makup of the city was 89.4% White, 0.6% Native American, 8.1% from other races, and 1.9% from two or more races. Hispanic or Latino of any race were 12.2%. Of the 172 households 41.9% had children under the age of 18 living with them, 57.0% were married couples living together, 7.6% had a female householder with no husband present, 7.6% had a male householder with no wife present, and 27.9% were non-families. 21.5% of households were one person and 11.1% were one person aged 65 or older. The average household size was 2.80 and the average family size was 3.28. The median age was 32.2 years. 28.8% of residents were under the age of 18; 11.4% were between the ages of 18 and 24; 25.9% were from 25 to 44; 20.7% were from 45 to 64; and 13.1% were 65 or older. The gender makeup of the city was 51.0% male and 49.0% female. 2000 census At the 2000 census there were 412 people in 15 households, including 3 families, in the city. The population density was . There were 18 housing units at an average density of . The racial makup of the city was 90.78% White, 0.24% African American, 0.73% Native American, 6.07% from other races, and 2.18% from two or more races. Hispanic or Latino of any race were 8.50%. Of the 15 households 32.7% had children under the age of 18 living with them, 56.6% were married couples living together, 5.7% had a female householder with no husband