Filer (FĪ-ler) is a city in Twin Falls County, Idaho, United States. The population was 2,508 at the 2010 census. Filer is located just west of the intersection of U.S. Routes 93 and 30.
It was named after Walter G. Filer, who served as general manager of the Twin Falls Water and Land Company. The city was established in 1906 as the terminus of the Oregon Short Line branch of Twin Falls. Walter Filer was a mining engineer and surveyor from Sharon, Pennsylvania, who supervised the construction of the Milner diversion dam on the Snake River. Since 1916, the City of Filer has been the home of the Twin Falls County Fair and Rodeo (Magic Valley Stampede).
Filer is located at 42°34′11″N 114°36′41″W (42.569814, -114.611313), at an elevation of 3,766 feet (1,148 m) above sea level.
According to the United States Census Bureau, the city has a total area of 1.06 square miles (2.75 km2), all of it land.
As of the census of 2010, there were 2,508 people, 951 households, and 653 families residing in the city. The population density was 2,366.0 inhabitants per square mile (913.5/km2). There were 1,002 housing units at an average density of 945.3 per square mile (365.0/km2). The racial makeup of the city was 91.6% White, 0.1% African American, 1.0% Native American, 0.1% Asian, 4.3% from other races, and 2.9% from two or more races. Hispanic or Latino of any race were 11.7% of the population.
There were 951 households of which 38.9% had children under the age of 18 living with them, 51.6% were married couples living together, 12.7% had a female householder with no husband present, 4.3% had a male householder with no wife present, and 31.3% were non-families. 27.7% of all households were made up of individuals and 10.8% had someone living alone who was 65 years of age or older. The average household size was 2.64 and the average family size was 3.23.
The median age in the city was 32.5 years. 31.6% of residents were under the age of 18; 6% were between the ages of 18 and 24; 27.1% were from 25 to 44; 23% were from 45 to 64; and 12.3% were 65 years of age or older. The gender makeup of the city was 48.9% male and 51.1% female.
As of the census of 2000, there were 1,620 people, 628 households, and 420 families residing in the city. The population density was 2,028.7 people per square mile (781.9/km²). There were 676 housing units at an average density of 846.5 per square mile (326.3/km²). The racial makeup of the city was 95.31% White, 0.31% African American, 1.36% Native American, 0.12% Asian, 0.12% Pacific Islander, 1.30% from other races, and 1.48% from two or more races. Hispanic or Latino of any race were 5.74% of the population.
There were 628 households out of which 34.9% had children under the age of 18 living with them, 54.0% were married couples living together, 9.6% had a female householder with no husband present, and 33.0% were non-families. 28.2% of all households were made up of individuals and 14.2% had someone living alone who was 65 years of age or older. The average household size was 2.58 and the average family size was 3.19.
In the city, the population was spread out with 29.0% under the age of 18, 9.3% from 18 to 24, 27.2% from 25 to 44, 19.4% from 45 to 64, and 15.0% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 97.6 males. For every 100 females age 18 and over, there were 95.6 males.
The median income for a household in the city was $31,336, and the median income for a family was $36,346. Males had a median income of $27,083 versus $20,563 for females. The per capita income for the city was $14,443. About 10.4% of families and 13.7% of the population were below the poverty line, including 17.8% of those under age 18 and 13.8% of those age 65 or over.
The Twin Falls County Fair is located in Filer; it is the city's biggest attraction.