County of twin falls

idaho

History & Founding

Established in 1917, this Idaho county emerged from portions of Jerome and Lincoln counties, a testament to the burgeoning population and agricultural development of southern Idaho. The name derives directly from the dramatic Twin Falls, a pair of waterfalls on the Snake River that were initially much larger before the construction of the Shoshone Dam. Early settlers, drawn by the fertile land and irrigation potential, recognized the falls' significance and chose it to represent the new county. The construction of the Shoshone Dam in the 1920s, a massive undertaking that harnessed the Snake River's power, fundamentally shaped the county’s development, providing irrigation water and hydroelectricity that spurred agricultural and industrial growth. A fascinating anecdote recounts the initial reluctance of some residents to accept the name "Twin Falls," fearing it would imply the area was solely defined by the falls, overlooking the broader agricultural landscape. However, the name ultimately stuck, solidifying the falls’ place in the county’s identity.

Geography & Landscape

Located in the Magic Valley region of southern Idaho, the county encompasses a diverse landscape. It stretches from the rolling hills of the northern edge to the rugged terrain of the Snake River Canyon in the south. The Snake River, a vital artery, carves a deep canyon through the landscape, creating stunning vistas and providing irrigation for vast agricultural fields. The Sawtooth National Forest borders the county to the west, offering opportunities for recreation and contributing to the region's scenic beauty. Elevations range from approximately 2,000 feet along the Snake River to over 8,000 feet in the western reaches. The climate is characterized by four distinct seasons, with hot, dry summers and cold, snowy winters. Average annual precipitation is relatively low, but irrigation allows for abundant agricultural production.

Economy & Communities

The county is anchored by the city of Twin Falls, its county seat and largest population center. Other significant towns include Burley, Kimberly, Rupert, Filer, Hansen, and Jerome. The economy is heavily reliant on agriculture, particularly potatoes, sugar beets, alfalfa, and wheat. The region is a major potato-growing area, earning it the nickname "Potato Country." While agriculture remains dominant, there's a growing presence of manufacturing and processing industries, often linked to agricultural products. Notable employers include Simplot, Chobani, and various agricultural processing facilities. The area exhibits a mix of rural and suburban characteristics, with Twin Falls experiencing significant growth and development in recent years, creating a more urban feel while still retaining its connection to the surrounding agricultural lands.

Points of Interest

Points of interest abound, reflecting the county’s rich history and natural beauty. Shoshone Falls Park, home to the diminished but still impressive Twin Falls, is a popular destination. The Perrine Bridge, spanning the Snake River Canyon, is a renowned base jumping location. The Herrett Center for Arts and Science in Twin Falls offers cultural exhibits and educational programs. The Pioneer Historic Byway provides scenic drives through historic sites. The annual Snake River Stampede rodeo is a major community event. The county has also produced notable residents, including athletes and agricultural innovators. The sheer volume of potatoes grown annually in the county is a unique record, solidifying its place as a vital contributor to the nation’s food supply.

Information

State
idaho
Type
County
Population
64,284
Land area
1,925 sq mi
Capital
Twin Falls
Time zone
UTC-7
FIPS
16083

7 Cities

CityPopulationElevation
Twin Falls34,4693,729 ft (1,137 m)
Buhl3,9853,740 ft (1,140 m)
Kimberly2,6143,921 ft (1,195 m)
Filer1,6203,765 ft (1,148 m)
Hansen9704,025 ft (1,227 m)
Castleford2773,866 ft (1,178 m)
Hollister2374,515 ft (1,376 m)

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