Vacaville, CA

Vacaville is a city located in Solano County, California. As of the 2010 census, the city had a population of 27,815. Vacaville is located about 80 miles north of San Francisco and 25 miles south of Sacramento.

The city was originally named Nut Tree by its founder, John Sutter. The town was laid out in 1852 on land purchased from Thomas McKay by John Sutter. The first post office opened in 1854. The name was changed to Vacaville in 1868 after the vaca or water cow belonging to General Mariano Vallejo was found near the town site. Vacaville developed as a center for agriculture due to its rich soil and location close to major transportation routes.

According to the United States Census Bureau, the city has a total area of , all land.

As of the census of 2000, there were 26,711 people, 10,527 households, and 7,936 families residing in the city. The population density was 2,465.4 people per square mile (965.2/km²). There were 11,073 housing units at an average density of 912 per square mile (354/km²). The racial makeup of the city was 68% White (including Hispanic or Latino), 14% African American (including Hispanic or Latino), 4% Native American or Alaska Native