Langley is a city in Island County, Washington, United States which is located on the south end of Whidbey Island, overlooking the Saratoga Passage. It is the third largest incorporated area on Whidbey. The population was 1,035 at the 2010 census, while the ZCTA for Langley's post office had a population of 4,878. The geographical area of the city is only 0.8 square miles (2.1 km2) but the ZCTA includes 26.20 square miles (67.9 km2). Langley is a tourist destination and many businesses in immediate area promote themselves in tourist pamphlets available around the world. Langley is home to a 1930s era movie theatre, a grocery store of the same vintage, and several restaurants.
Langley is served by Island County Fire District#3, the Langley Police Department, and is the home of South Whidbey School District #206. The current mayor is Fred McCarthy, and the police chief is Randy Heston. Based on per capita income, Langley ranks 92nd of 522 areas in the state of Washington to be ranked.
Langley was founded in the 1800s by Jacob Anthes, and was named for J.W. Langley of Seattle. In 1902, Mr. Anthes built a logger bunkhouse that is still standing in the downtown core and currently serves as a museum. Langley was officially incorporated on February 26, 1913.