- Mukilteo (/ˌmʌkəlˈtiːoʊ/ MUK-əl-TEE-oh; Lushootseed: bək̓ʷəɬtiwʔ) is a city in Snohomish County, Washington, United States. It is located on Puget Sound between Edmonds and Everett, approximately 25 miles (40 km) north of Seattle. The city had a population of 20,254 at the 2010 census and an estimated 2019 population of 21,441.