West Siloam Springs is a town in Delaware County, Oklahoma, United States. The population was 846 at the 2010 census, a 3.5 percent decrease from 877 at the 2000 census. A bedroom community for Siloam Springs, Arkansas, it is notable for its Cherokee casino, and is the closest town to Natural Falls State Park. It is also a notorious speed trap, with fines from the trap being a major source of the town's revenue.