Bethel is a census-designated place (CDP) in Kitsap County, Washington, United States. Located a few miles south of the city of Port Orchard, Bethel is a wooded residential area. Most residents commute to Port Orchard or nearby cities. It was first designated a place by the Census Bureau in the 2010 census, at which time its population was 3,713. By the 2020 census, the population increased to 4,073.