Eagar is located at (34.106703, -109.292725).
There were 1,344 households out of which 45.7% had children under the age of 18 living with them, 65.5% were married couples living together, 11.4% had a female householder with no husband present, and 20.1% were non-families. 17.3% of all households were made up of individuals and 7.3% had someone living alone who was 65 years of age or older. The average household size was 2.99 and the average family size was 3.38.
In the town the population was spread out with 36.2% under the age of 18, 7.6% from 18 to 24, 23.5% from 25 to 44, 23.5% from 45 to 64, and 9.2% who were 65 years of age or older. The median age was 33 years. For every 100 females there were 95.7 males. For every 100 females age 18 and over, there were 91.8 males.
The median income for a household in the town was $37,378, and the median income for a family was $41,250. Males had a median income of $36,111 versus $21,274 for females. The per capita income for the town was $14,623. About 7.8% of families and 7.4% of the population were below the poverty line, including 5.8% of those under age 18 and 10.0% of those age 65 or over.
The town is served by four neighborhood schools: Round Valley Primary School (in nearby Springerville), Round Valley Intermediate School, Round Valley Middle School, and Round Valley High School. The intermediate, middle, and high schools are in Eagar.
In addition, White Mountain Academy, a K-12 charter school, is located in Eagar.