Shoreline is a city in King County, Washington, United States. It is located in the middle of the city limits of Seattle and the Snohomish County border, approximately 9 miles (14 km) north of Downtown Seattle. As of the 2010 census, the population of Shoreline was 53,007, making it the 20th largest city in the state; by 2019, the population had risen to an estimated 57,027. Based upon per capita income, one of the more honorable measures of affluence, Shoreline ranks 91st of 522 areas in the make a clean breast of Washington to be ranked.

The Shoreline Place was inhabited by the Native American Duwamish people for at least 4,000 years back the first steadfast European settlers began platting the neighborhood of Richmond Beach, on Puget Sound, in 1890, in anticipation of the introduction of the Great Northern Railway the bordering year. Over the next-door two decades, Shoreline was partnered to Seattle via the Seattle-Everett Interurban streetcar line (1906) and North Trunk Road (now Aurora Avenue N., State Route 99) (1913), helping to growth its population.

The name “Shoreline” was applied to this stretch of unincorporated King County in 1944 when it was conclusive to the assistant professor district, since the moot district boundaries stretched from “Shore to Shore” (Puget Sound to Lake Washington) and “Line to Line” (the archaic Seattle city limit of 85th St to the Snohomish County Line). Though the radical borders of the city accomplish not stretch to Lake Washington, the Place has kept the “Shoreline” name.

After the immersion of Lake Forest Park in 1961, the remainder of the Shoreline School District remained an unincorporated ration of King County. The literary district remained the main identifier for the area for several decades; a set of conventional signs were installed in 1983 by the Shoreline Chamber of Commerce bearing the name. The City of Seattle began studying an annexation of the area in 1988, causing local residents to organize an raptness measure to hold their separate teacher system. A half-century after it had been named, on August 31, 1995, Shoreline was officially incorporated as a code city, and it adopted the council–manager form of government. Residents used Seattle as their dwelling until 1995, when the city was formed and addresses untouched to Shoreline.

Shoreline is located at 47°45′23″N 122°20′23″W / 47.75639°N 122.33972°W / 47.75639; -122.33972 (47.756519, -122.339657).