Vacaville, California

Vacaville population, 2020 to 2024

Vacaville added 1,847 residents from July 2020 to July 2024, a change of +1.8%. In the latest year it moved by +1,165. Among 429 California places of 5,000 or more, that growth ranks 94th; the median place changed by -1.1%. The median place of 5,000+ in California has 37,056 people, so Vacaville is 2.8 times that size.

Vacaville covers 29.87 square miles of land and 0.23 of water, for 3,482 people per square mile of land. The median California place of 5,000+ has 3,725, so Vacaville is close to the typical town.

What county Vacaville is in

All of Vacaville's residents live in Solano County, which had 455,101 residents in 2024. Vacaville holds 22.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Vacaville

2 ZIP Code Tabulation Areas (ZCTAs) overlap Vacaville by at least 10% of the ZCTA's or the city's land: 95687, 95688. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Vacaville is

The Census internal point of Vacaville is at 38.358600, -121.968600. Sacramento, the capital, is 29.8 miles ENE in a straight line. The nearest larger place is Fairfield, CA (122,646 people), 7.5 miles away. The ground at the internal point is about 52 m (171 ft) above sea level.

Daylight in Vacaville

At 38.36° N, Vacaville gets about 14 h 51 min of daylight around the June solstice and 9 h 29 min around the December solstice, a swing of 5 h 21 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Vacaville daylight page.

Places near Vacaville

The eight nearest incorporated places of 1,000+ in California, measured between internal points. The closest is Fairfield, 7.5 miles away, with 122,646 people.