Bickleton is a census-designated place in Klickitat County, Washington, United States. Bickleton was first settled in 1879 by Charles N. Bickle. The population was 88 at the 2010 census.
According to the United States Census Bureau, the CDP has a total area of 12.9 square miles (33.4 km²), all of it land.
As of the census of 2000, there were 113 people, 49 households, and 31 families residing in the CDP. The population density was 8.8 people per square mile (3.4/km²). There were 65 housing units at an average density of 5.0/sq mi (1.9/km²). The racial makeup of the CDP was 92.92% White, 2.65% Native American, 2.65% Pacific Islander, 1.77% from other races. Hispanic or Latino of any race were 6.19% of the population.