Filer is a city located in Twin Falls County, in the state of Idaho (ID), United States. Nestled in the Mountain division of the West region, it covers an area of 0.8 square miles (2.0 km²) and sits at an elevation of 3765 ft. With a population of approximately 1,620 residents, Filer offers a peaceful, rural atmosphere.
The town's population is composed of about 49.38% males and 50.62% females, and it has a population density of 25.00 people per square mile (781.86/km²). Filer lies at a latitude of 42.57 and a longitude of -114.61, operating in the UTC-7.
Locals reflect a blend of American ancestry, with roots primarily in United States (7.6%), followed by English (15.4%), German (23.8%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 83328.