Vacaville, CA demographics: 102,596 residents, with a median age of 38.2 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
In Vacaville, the largest race group is White (53.1%); 27.9% of residents are Hispanic or Latino (of any race); 13.1% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
How old is Vacaville?
The median age in Vacaville is 38.2 years (±0.8), younger than the U.S. median of 38.9 years. The population is 51.8% male and 48.2% female. The largest age band is 5 to 17 at 16.7%.
Under 5
5.2%
5 to 17
16.7%
18 to 24
8.2%
25 to 34
15.2%
35 to 44
14.6%
45 to 54
11.5%
55 to 64
12.9%
65 to 74
9.7%
75 and over
6.1%
Age band
People
Share
± margin
Under 5
5,341
5.2%
±498
5 to 17
17,161
16.7%
±1,020
18 to 24
8,391
8.2%
±780
25 to 34
15,635
15.2%
±878
35 to 44
14,941
14.6%
±935
45 to 54
11,770
11.5%
±692
55 to 64
13,213
12.9%
±802
65 to 74
9,921
9.7%
±777
75 and over
6,223
6.1%
±538
Median age by sex: 37.8 (male) · 38.5 (female).
Shares may not sum to 100% due to rounding. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B01001 sex by age, B01002 median age) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B02001 / B03003
What is the racial and ethnic makeup of Vacaville?
The largest race group in Vacaville is White at 53.1% of the population. Separately, 27.9% of residents are Hispanic or Latino of any race.Race and Hispanic origin are two different questions on the census form, so their shares are reported separately and are not additive.
White alone
53.1%
Black or African American alone
8.6%
American Indian & Alaska Native alone
1.0%
Asian alone
11.4%
Native Hawaiian & Pacific Islander alone
0.5%
Some other race alone
9.4%
Two or more races
16.1%
Race (alone, or two or more)
People
Share
± margin
White alone
54,447
53.1%
±1,881
Black or African American alone
8,819
8.6%
±1,169
American Indian & Alaska Native alone
1,033
1.0%
±367
Asian alone
11,656
11.4%
±1,169
Native Hawaiian & Pacific Islander alone
496
0.5%
±284 · low precision
Some other race alone
9,596
9.4%
±1,136
Two or more races
16,549
16.1%
±1,513
Hispanic or Latino (of any race)
28,598
27.9%
±1,512
Race shares may not sum to 100% due to rounding; race and Hispanic origin are separate questions and are not additive. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B02001 race, B03003 Hispanic or Latino origin) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B11001 / B25010
How many households are in Vacaville?
Vacaville has 34,298 households. 71.3% are family households and 22.6% are people living alone. The average household holds 2.81 people.
Total households
34,298
ACS 2020–2024 5-yr · B11001
Avg household size
2.81
ACS 2020–2024 5-yr · B25010 · ±0.06
Family households
71.3%
Share of all households · B11001
Living alone
22.6%
Share of all households · B11001
Household type
Households
± margin
Total households
34,298
±696
Family households
24,464
±670
Nonfamily households
9,834
±720
Householder living alone
7,757
±752
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B11001 household type, B25010 average household size) · place-grain · methodology →
ACS 2020–2024 · B05002 / C16001
Where are Vacaville residents from?
13.1% of Vacaville residents were born outside the United States. 77.7% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (13.8%).
Measure
Value
Source / grain
Foreign-born share
13.1%
13,487 people · B05002
Speak only English at home (age 5+)
77.7%
C16001
Top non-English language at home
13.8%
Spanish · 13,388 speakers · C16001
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B05002 place of birth, C16001 language spoken at home) · place-grain · methodology →
ACS 2020–2024 · B15003
What share of Vacaville has a college degree?
28.0% of adults age 25 and over in Vacaville hold a bachelor's degree or higher (the U.S. share is about 35%).
Measure
Value
Source / grain
Bachelor's degree or higher (age 25+)
28.0%
B15003 lines 22–25 over line 1 · place-grain
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B15003 educational attainment, population 25+) · place-grain · methodology →
The GEOID for Vacaville is 0681554. Every figure on this page is a place-grain American Community Survey 5-Year 2020–2024 estimate (ACS 5-Year Estimates 2020-2024 (released 2026-01-29)) shown with its margin of error. Full per-dataset detail: /sources/.