Parker is a city in southeastern Fremont County, Idaho, United States. The population was 305 at the 2010 census. It is part of the Rexburg, Idaho Micropolitan Statistical Area. Geography Parker is located at (43.958477, -111.759204). 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 305 people, 99 households, and 76 families residing in the city. The population density was . There were 107 housing units at an average density of . The racial makeup of the city was 94.8% White, 2.3% Native American, and 3.0% from other races. Hispanic or Latino of any race were 4.6% of the population. There were 99 households, of which 48.5% had children under the age of 18 living with them, 68.7% were married couples living together, 7.1% had a female householder with no husband present, 1.0% had a male householder with no wife present, and 23.2% were non-families. 20.2% of all households were made up of individuals, and 12.1% had someone living alone who was 65 years of age or older. The average household size was 3.08 and the average family size was 3.66. The median age in the city was 28.2 years. 37.7% of residents were under the age of 18; 7% were between the ages of 18 and 24; 25.6% were from 25 to 44; 18.7% were from 45 to 64; and 11.1% were 65 years of age or older. The gender makeup of the city was 49.8% male and 50.2% female. 2000 census As of the census of 2000, there were 319 people, 96 households, and 74 families residing in the city. The population density was . There were 101 housing units at an average density of . The racial makeup of the city was 97.49% White, 1.88% from other races, and 0.63% from two or more races. Hispanic or Latino of any race were 2.19% of the population. There were 96 households, out of which 50.0% had children under the age of 18 living with them, 67.7% were married couples living together, 5.2% had a female householder with no husband present, and 22.9% were non-families. 22.9% of all households were made up of individuals, and 13.5% had someone living alone who was 65 years of age or older. The average household size was 3.32 and the average family