Fairfield Facts

Location, History, Population, Climate and Geography Information


Fairfield is conveniently situated at the crossroads of three major routes connecting to San Francisco  and Sacramento, San Francisco Bay Area, and the California Delta and Napa Valley. Located along the Interstate-80 corridor, Fairfield is almost midway between San Francisco (47.7 miles/76.7 kilometers) and Sacramento (40.6 miles/65.3 kilometers), and is easily accessible from the eastern San Francisco Bay Area from Interstate-680, and from the California Delta (26 miles/41.8 kilometers) to the southeast and Napa Valley (16 miles/25.7 kilometers) to the northwest by State Highway 12.


A town site was laid out in 1856 by clipper ship Captain Robert H. Waterman, which he named Fairfield after his hometown in Connecticut. Fairfield was incorporated as a city on December 12, 1903. The county seat of Solano County, Fairfield celebrated its 100th County was one of the original 27 counties of California, created in 1850 at the time of statehood. anniversary in 2003. Solano County was one of the original 27 counties of California, created in 1850 at the time of statehood.


Based on a January 1, 2014 estimates, the population of Solano County is 420,339 and the following city populations are:

Benicia 27,293
Dixon 18,538
Fairfield 108,714
Rio Vista 7,636
Suisun City 28,369
Vacaville 92,677
Vallejo 117,664
Unincorporated Area 19,036

Source: California Department of Finance, Demographic Research Unit, http://www.dof.ca.gov/


Solano County has a pleasant, Mediterranean climate year-round, with more than 300 days of sunshine per year.

Winter 57°F/ 39°F (14°C/ 4°C) Cool & Sunny
Spring 72°F/ 47°F (22°C/ 8°C) Breezy & Cool
Summer 88°F/ 56°F (31°C/ 13°C) Warm Mornings/ Sunny Days
Fall 76°F/ 49°F (24°C/ 9°C) Warm Days & Cool Nights
  • The average warmest month is July.
  • The highest recorded temperature was 113°F in 1984.
  • The average coolest month is December.
  • The lowest recorded temperature was 17°F in 1990.
  • January is the average wettest month.

Source: The Weather Channel,www.weather.com


Fairfield is 37.7 square miles