Vacaville is a city located in Solano County in Northern California. The city is technically part of San Francisco Bay Area, as Solano County is one of the 9 Bay Area counties, geographically speaking, Vacaville is in the Sacramento Valley. Whether Vacaville is a far-flung San Francisco suburb, or a fairly commutable Sacramento suburb depends on how it is viewed. Vacaville sits approximately 35mi from Sacramento, and 55mi from San Francisco. As of the 2010 census, Vacaville had a population of 92,428, making it the third largest city in Solano County.HistoryThe city was originally laid out on land deeded by Manuel Cabeza Vaca to William McDaniel in August 1850. Its original plot was recorded on December 13, 1851.The city was a Pony Express stop and was home to many large produce companies and local farms which flourished due to the Vaca Valley's rich soil, including The Nut Tree.Geography and environmentThere are a number of rare and endangered species in the Vacaville area. Endangered plants which have historically occurred in the vernal pool areas in and around Vacaville include Legenre limosa, Plagiobothrys hystriculus, Downingia humilis, Contra Costa Goldfields, and Showy Indian clover. To this day Trifolium amoenum can still be found in Lagoon Valley Regional Park.
