Gibson Flats is a census-designated place (CDP) in Cascade County, Montana, United States.

The population was 199 at the 2010 census.

[3] It is part of the Great Falls, Montana Metropolitan Statistical Area.

Gibson Flats is located 3 miles (5 km) southeast of the center of Great Falls.

According to the United States Census Bureau, the CDP has a total area of 3.0 square miles (7.8 km2), all land.