Sultan is a city in Snohomish County, Washington, United States. It is located approximately 23 miles (37 km) east of Everett at the confluence of the Skykomish River and the Sultan River, a minor tributary. The city had a population of 4,651 at the 2010 census.
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Several prominent peaks of the mountain range are visible on the northern and eastern horizons [of Sultan, Washington], including Mount Pilchuck, Mount Index, Mount Persis, and Mount Stickney.