Red Devil is a census-designated place (CDP) in Bethel Census Area, Alaska, United States. The population was 23 at the 2010 census, down from 48 in 2000. Their post office was founded in 1957.^[3]

The village was named after the Red Devil Mine, established in 1921 by Hans Halverson when numerous mercury (quicksilver) deposits were discovered in the surrounding Kilbuck-Kuskokwim Mountains. By 1933, the mine was producing substantial quantities of mercury. Although the mine changed ownership twice over the years, it continued to operate until 1971.^[4]

According to the United States Census Bureau, the CDP has a total area of 26.4 square miles (68 km²), of which, 24.2 square miles (63 km²) of it is land and 2.2 square miles (5.7 km²) of it (8.34%) is water.^[5]

Red Devil first appeared on the 1960 U.S. Census as an unincorporated village. In 1980, it was made a census-designated place (CDP).

As of the census ^[7] of 2010, there were 23 people, 12 occupied households, residing in the CDP. The population density was 1.9 inhabitants per square mile (0.73/km²). There were 22 housing units at an average density of 0.9/sq mi (0.4/km²). The racial makeup of the CDP was 17.4% White, 43.5% Native American, and 39.1% from two or more races. The population was spread out, with 2 people under the age of 14, 2 people 15 to 19 and the remaining 19 people were 25 or older. The median income for a household for 2009 in the CDP was $59,886. 40.4% of the population lives beneath the poverty line.

• Red Devil Airport