Hollister is a city in Twin Falls County, Idaho, United States.

It is part of the Twin Falls, Idaho Micropolitan Statistical Area.

Hollister is located on the east bank of Salmon Falls Creek.

According to the United States Census Bureau, the city has a total area of 1.07 square miles (2.77 km2), all of it land.

20.7% of all households were made up of individuals, and 8.7% had someone living alone who was 65 years of age or older.

17.5% of all households were made up of individuals, and 6.3% had someone living alone who was 65 years of age or older.

About 7.8% of families and 11.0% of the population were below the poverty line, including none of those under the age of eighteen or sixty five or over.