WELCOME to Wilton California. Wilton is a town in California with a population of 5,307. Wilton is in Sacramento County and approximately 16 miles from Sacramento. Living in Wilton offers residents a rural feel and most residents own their homes. Many retirees live in Wilton. The public schools in Wilton are highly rated. If you are looking for a small town feel with all of the amenities nearby, Wilton may be the right fit for you.