Mukilteo is a city in Snohomish County, Washington, United States. The population was 18,019 at the 2000 census. It is on the shore of Puget Sound, and is the site of a major Washington State Ferries terminal linking it across the water to Clinton, on Whidbey Island. Mukilteo apartments for rent comparison page shows most up to date rent information on Mukilteo apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.