Ravensdale is a census-designated place (CDP) in King County, Washington, United States. The population was 1,101 at the 2010 census. It is in the Pacific Time Zone. The height is 623 feet (190 m).

Based on per capita income, Ravensdale ranks 50th out of 522 areas in the declare of Washington.

Ravensdale was originally called “Leary”, after the Leary Coal Company, in turn, named for John Leary, a Seattle pioneer. The latter publicize came from the flocks of ravens that fed on grain spilled from the boxcars on the Northern Pacific Railroad tracks that ran through the town. Underground coal mining commenced on the order of 1899 by the Seattle and San Francisco Railway and Navigation Company, although coal had been mined in nearby Danville and Landsburg a few years earlier. The coal mines were complex acquired by the Northwest Improvement Company (NWI), a subsidiary of Northern Pacific. In 1907, Ravensdale was a coal mining town as soon as a population of not quite 1,000 residents, most of whom worked for the mining company. Ravensdale was officially incorporated on August 15, 1913. On November 16, 1915, at 1:25 p.m. an explosion occurred at the mine, killing 31 men, one of the worst coal mining accidents in Washington acknowledge history. The NWI mine was closed for all time and many of the immigrant miners left town seeking piece of legislation elsewhere. A number of coal miners from Ravensdale moved to Ray, Arizona, to mine copper. The town was disincorporated in the 1920s.

Over the decades, coal mining continued to fuel Ravensdale’s economy as further mines were developed operating upon the Danville, Landsburg, and McKay coal seams. The Dale Coal Company became one of the more successful from roughly 1924–1941, followed by the Continental Coal Company from 1942 to 1944, the Anderson Coal Company from 1943 to 1948; and Palmer Coking Coal Company from 1937 to 1975. On January 29, 1955, four miners were drifting in the Landsburg mine later a cave-in filled the mine considering water, mud and debris. On December 17, 1975, at 2:30 p.m., the Rogers No. 3 mine was dynamited shut by Palmer Coking Coal Company. This was the last underground coal mine in the divulge of Washington.

Ravensdale is located in southern King County at 47°21′24″N 121°58′39″W / 47.35667°N 121.97750°W / 47.35667; -121.97750. It is bordered to the west by the city of Maple Valley. Ravensdale is 28 miles (45 km) southeast of downtown Seattle and the same distance northeast of Tacoma.