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is a town in Stevens County, Washington, United States. The population was 336 at the 2000 census.
Northport was officially incorporated on June 1, 1898 but has a history stretching back to the 1880s when it was a port and shipbuilding centre for steamboat services running northwards into British Columbia during construction of the Canadian Pacific Railway, related to its location at a stretch of the Columbia known as the Little Dalles, a rapids and narrows that was a barrier to navigation and which also was an alternate name for Northport itself.