About Sumas, Washington
This article is for the city in Washington state. For the former municipality in British Columbia and other uses see Sumas (disambiguation).Sumas is a small town in Whatcom County, Washington, United States. The population was 1,307 at the 2010 census. Sumas is located adjacent to the Canadian border and borders the city of Abbotsford, British Columbia. The Sumas-Huntingdon port of entry at the north end of State Route 9 operates 24 hours a day. Sumas shares Nooksack Valley School District with the towns of Nooksack and Everson.