Eagle is a city in the western United States in Ada County, Idaho, northwest of downtown Boise. The population was 30,346 at the time of the 2020 census. Geography According to the United States Census Bureau, the city has a total area of , of which is land and is water. Climate This region experiences warm to hot, dry summers, and cold, dry winters averaging of snow, with summer high temperatures averaging and winter low temperatures averaging . According to the Köppen climate classification system, Eagle has a "Csb" on climate maps. Demographics 2020 census At the 2020 census there were 30,346 people, 10,610 households, and 8,293 families living in the city. The population density was . There were 11,964 housing units at an average density of . The racial makeup of the city was 91.1% White, 0.4% African American, 0.5% Native American, 1.8% Asian, 0.2% Pacific Islander, 1.8% from other races, and 4.9% from two or more races. Hispanic or Latino of any race were 7.6%. Of the 10,610 households 33.4% had children under the age of 18 living with them, 68.9% were married couples living together, 19.5% had a female householder with no husband present, 8.5% had a male householder with no wife present, and 19.8% were non-families. 13.8% of households were one person and 8.8% were one person aged 65 or older. The average household size was 2.65 and the average family size was 3.04. The median age was 41.6 years. 25.4% of residents were under the age of 18; 5.5% were between the ages of 18 and 24; 19.4% were from 25 to 44; 30.3% were from 45 to 64; and 20.9% were 65 or older. The gender makeup of the city was 48.2% male and 51.8% female. The median household income was $91,414 and the median family income was $107,607. Males had a median income of $65,625 versus $45,787 for females. The per capita income for the city was $51,917. About 5.3% of families and 6.7% of the population were below the poverty line, including 5.3% of those under age 18 and 7.1% of those age 65 or over. 2010 census At the 2010 census there were 19,908 people, 7,069 households, and 5,585 families living in the city. The population density was . There were 7,570 housing units at an average density of . The racial makeup of the city was 94.4% White, 0.3% African