Evaline is an unincorporated community in Washington, United States, south of Napavine and 3 miles north of Winlock on State Route 603. The earliest white settlers in this area were the Urquharts and the MacDonalds. Sedate W. Porter founded the town and established the post office on Feb. 14, 1906, which was open until 1930. The Northern Pacific Railroad b…Evaline is an unincorporated community in Washington, United States, south of Napavine and 3 miles north of Winlock on State Route 603. The earliest white settlers in this area were the Urquharts and the MacDonalds. Sedate W. Porter founded the town and established the post office on Feb. 14, 1906, which was open until 1930. The Northern Pacific Railroad began operations from Kalama to Evaline, a 25 miles stretch, in 1872.