West Sacramento is a city in Yolo County, California. It is contiguous with Sacramento, but is separated by the Sacramento River and is in a different county. It is one of the fastest growing cities in the county. The population was 31,615 at the 2000 census; the United States Census Bureau estimated the population to be 41,744 as of 2005. West Sacramento apartments for rent comparison page shows most up to date rent information on West Sacramento apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.