Vacaville is a city located in Solano County, California. With a 2020 population of 103,336, it is the 72nd largest city in California and the 306th largest city in the United States. Vacaville is currently growing at a rate of 1.56% annually and its population has increased by 11.80% since the most recent census, which recorded a population of 92,428 in 2010. Spanning over 29 miles, Vacaville has a population density of 3,536 people per square mile.
The average household income in Vacaville is $98,188 with a poverty rate of 8.28%. The median rental costs in recent years comes to $1,557 per month, and the median house value is $391,100. The median age in Vacaville is 37.3 years, 36.6 years for males, and 38 years for females. For every 100 females there are 107.4 males.