[4] Minidoka is in eastern Minidoka County, 13 miles (21 km) northeast of Rupert, the county seat, and 50 miles (80 km) east-southeast of Shoshone by Idaho State Highway 24.

According to the United States Census Bureau, the city has a total area of 0.11 square miles (0.28 km2), all of it land.

There were 43 housing units at an average density of 390.9 per square mile (150.9/km2).

3.3% of all households were made up of individuals, and 3.3% had someone living alone who was 65 years of age or older.

14.3% of all households were made up of individuals, and 5.7% had someone living alone who was 65 years of age or older.

There were 27.6% of families and 31.7% of the population living below the poverty line, including 33.3% of under eighteens and none of those over 64.

[10] Students are zoned to: Minidoka is located on State Highway 24, which travels southwest to Rupert and northwest to Shoshone.