Monroe is a city in Snohomish County, Washington, United States. It is located at the confluence of the Skykomish, Snohomish, and Snoqualmie rivers in the Cascade foothills, about 30 miles northeast of Seattle. Monroe's population was 17,304 as of the 2010 census and was estimated to be 19,776 in 2019. Monroe was originally founded in 1864 as the town of Park Place, located at the river confluence among several existing settlements in the Tulaco Valley.... Show more

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