Wendell is a city in southern Gooding County, Idaho, United States.
According to the United States Census Bureau, the city has a total area of 1.36 square miles (3.52 km2), all of it land.
There were 1,054 housing units at an average density of 775.0 per square mile (299.2/km2).
24.7% of all households were made up of individuals, and 14.4% had someone living alone who was 65 years of age or older.
There were 887 housing units at an average density of 786.4 per square mile (303.6/km2).
22.2% of all households were made up of individuals, and 10.3% had someone living alone who was 65 years of age or older.
Gooding County is in the catchment area, but not the taxation zone, for College of Southern Idaho.