Vacaville is a city located in Solano County California. With a 2020 population of 102,112, it is the 73rd largest city in California and the 312th largest city in the United States . Vacaville is currently growing at a rate of 0.71% annually and its population has increased by 10.48% since the most recent census, which recorded a population of 92,428 in 2010. Vacaville reached it's highest population of 102,112 in 2021. Spanning over 29 miles, Vacaville has a population density of 3,494 people per square mile.
The average household income in Vacaville is $105,953 with a poverty rate of 7.35%. The median rental costs in recent years comes to $1,641 per month, and the median house value is $422,400. The median age in Vacaville is 37.5 years, 37 years for males, and 38.2 years for females.