Kerr is a census-designated place (CDP) in Lake County, Montana, United States.

[4] As of the census[6] of 2000, there were 17 people, 6 households, and 6 families residing in the CDP.

There were 9 housing units at an average density of 37.0 per square mile (14.3/km2).

The racial makeup of the CDP was 82.35% White and 17.65% Native American.

No households were made up of individuals, and none had someone living alone who was 65 years of age or older.