Williams is a city in Coconino County, Arizona, United States. Its population was 2,842 at the 2000 census; according to 2006 Census Bureau estimates, the population of the city is 3,094. It lies on the route of Historic Route 66, Interstate 40, and the Southwest Chief Amtrak train route. It is also the southern terminus of the Grand Canyon Railway, which takes visitors to Grand Canyon Village. Williams apartments for rent comparison page shows most up to date rent information on Williams apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.