Antioch

County:: Contra Costa County
County Seat:: No
Area (mi²):: 29.171
State:: California

Antioch is a city located in Contra Costa County, California. Antioch has a 2025 population of 118,240. Antioch is currently growing at a rate of 0.49% annually and its population has increased by 2.48% since the most recent census, which recorded a population of 115,379 in 2020.

The average household income in Antioch is $122,787 with a poverty rate of 11.16%. The median age in Antioch is 38.1 years: 38.2 years for males, and 37.9 years for females.

Demographics

The racial composition of Antioch includes 29.47% White, 19.67% Black or African American, 17.92% other race, 13.56% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Other race

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	34,114	29.47%
Black or African American	22,766	19.67%
Other race	20,739	17.92%
Two or more races	19,249	16.63%
Asian	15,697	13.56%
Native American	1,871	1.62%
Native Hawaiian or Pacific Islander	1,323	1.14%

Antioch Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Antioch's average per capita income is $54,189. Household income levels show a median of $94,256. The poverty rate stands at 11.16%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$131,321	$156,986
Families	$104,592	$134,183
Households	$94,256	$122,787
Non Families	$54,473	$72,837

$54,189

Average Income

$94,256

Median Household Income

11.16%

Poverty Rate