Fairfield is a city in, and the county seat of, Solano County, California, in the North Bay sub-region of the San Francisco Bay Area. It is generally considered the midpoint between the cities of San Francisco and Sacramento, approximately 40mi from the city center of both cities, approximately 40mi from the city center of Oakland, less than 19mi from Napa Valley, 16mi from the Carquinez Bridge, and 14mi from the Benicia Bridge. Fairfield was founded in 1856 by clippership captain Robert H. Waterman, and named after his former hometown of Fairfield, Connecticut.It is the home of Travis Air Force Base and the headquarters of Jelly Belly. With a population of 108,321 at the 2010 census, it is slightly smaller in population than Vallejo. Other nearby cities include Suisun City, Vacaville, Rio Vista, Benicia, and Napa.