Greenleaf is a city in Canyon County, Idaho, United States.

[4][5] According to the United States Census Bureau, the city has a total area of 0.73 square miles (1.89 km2), all of it land.

There were 316 housing units at an average density of 432.9 per square mile (167.1/km2).

19.7% of all households were made up of individuals, and 8.1% had someone living alone who was 65 years of age or older.

There were 284 housing units at an average density of 392.1 per square mile (151.4/km2).

19.1% of all households were made up of individuals, and 10.5% had someone living alone who was 65 years of age or older.