Location & Incorporation
Located approximately 45 miles northeast of San Francisco and 45 miles southwest of Sacramento, the County is bordered by Napa, Yolo, Sacramento and Contra Costa counties.
The county covers 909.4 square miles, including 84.2 square miles of water area and 675.4 square miles of rural land area
Government
The County serves seven jurisdictions – Benicia, Dixon, Fairfield, Rio Vista, Suisun City, Vacaville and Vallejo – in addition to the unincorporated areas.
The City of Fairfield is the County Seat. Two of the county's seven cities, Benicia and Vallejo, served as the State's Capital in the early 1850s.
Solano County is the easternmost county of the North Bay. As such, it is sometimes reported by news agencies as being in the East Bay. Additionally, a portion of the county extends into the Sacramento Valley, geographically.
Major highways
Interstate 80
Interstate 505
Interstate 680
Interstate 780
State Route 12
State Route 29
State Route 37
State Route 84
State Route 113
Cities
Benicia
Dixon
Fairfield
Rio Vista
Suisun City
Vacaville
Vallejo
Unincorporated Communities
Allendale
Bahia
Birds Landing
Bucktown
Collinsville
Cordelia
Elmira
Green Valley
Hartley
Maine Prairie
Rockville
Scandia