The valley is made up of private lands nestled within the Fishlake National Forest.

Koosharem's only store, the historic Grass Valley Mercantile, shares this secondary naming reference.

The name of the town Koosharem originates from the Native Americans indigenous to the area, the Piute Indians and their term for the valley named for the deep red clover that grows in the lush meadows of the Koosharem Valley,.

According to the United States Census Bureau, the town has a total area of 0.6 square miles (1.5 km2), all land.

These species include the Greater Sage Grouse,[7] the Utah Prairie Dog, Pygmy Rabbit,[8][9] bald eagles, golden eagles, western toads, and ferruginous hawks.

Koosharem's economy is based on a combination of traditional agriculture and growing tourism-related industries.

Farming and ranching remain significant economic activities in the area, utilizing the local land for crop cultivation and livestock raising.

The town center includes: Other Economic Contributors Koosharem's economy continues to evolve, balancing its agricultural roots with an expanding service sector catering to both residents and visitors.