Sleetmute is a census-designated place (CDP) in Bethel Census Area, Alaska, United States. At the 2010 census the population was 86, down from 100 in 2000.

Bethel Census Area is a census area in the U.S. state of Alaska. As of the 2020 census, the population is 18,666, up from 17,013 in 2010. It is part of the unorganized borough and therefore has no borough seat. Its largest community is the city of Bethel, which is also the largest city in the unorganized borough.