County, California, United States, between Sacramento and San
Francisco. As of the 2000 census, the city had a total population of
88,625. According to the Community Development Department of the City of
Vacaville, the total population as of 2005 was 96,735. The city was
founded in 1852 by William McDaniel and named after Juan Manuel Vaca,
who had received a substantial land grant from Don Mariano Guadalupe
Vallejo.