Antioch Flag

Antioch

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

Antioch is a city located in Contra Costa County, California. Antioch has a 2026 population of 119,988. Antioch is currently growing at a rate of 0.64% annually and its population has increased by 3.99% since the most recent census, which recorded a population of 115,382 in 2020.

The median household income in Antioch is $97,465 with a poverty rate of 11.39%. The median age in Antioch is 38.4 years: 38.2 years for males, and 38.6 years for females. For every 100 females there are 91.9 males.

120K
Total Population
4,113
Density (mi²)
768 0.64%
Growth

Antioch Population

Antioch Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026119,9887680.64%
2025119,2207670.65%
2024118,4531,2741.09%
2023117,1791,0810.93%
2022116,0986090.53%
2021115,4891070.09%
2020115,382780.07%
2019111,605-17-0.02%
2018111,6221960.18%
2017111,4263210.29%
2016111,1058500.77%
2015110,2551,2951.19%
2014108,9601,5631.46%
2013107,3971,8001.7%
2012105,5971,3181.26%
2011104,2791,2171.18%
2010103,0626900.67%
200090,53228,33745.56%
199062,19519,51245.71%
198042,68314,62352.11%
197028,06010,75562.15%
196017,3056,25456.59%
195011,0515,945116.43%
19405,1061,54343.31%
19303,5631,62784.04%
19201,93681272.24%
19101,12445066.77%
1900674396.14%
189063591.44%
188062600%

Median Age

Overall: 38.4 years
Female: 38.6 years
Male: 38.2 years

Antioch Adults

There are 89,927 adults, (16,637 of whom are seniors) in Antioch.

Sex Ratio

Female: 60,705 (52.1%)
Male: 55,772 (47.9%)

Demographics

The racial composition of Antioch includes 27% White, 18.91% Black or African American, 18.34% other race, 14.21% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White31,44427%
Black or African American22,02518.91%
Two or more races21,85718.77%
Other race21,36418.34%
Asian16,54914.21%
Native American1,9131.64%
Native Hawaiian or Pacific Islander1,3251.14%
Race
Population ↓
Percentage (of total)
Other race20,77817.84%
Two or more races13,96311.99%
White4,1363.55%
Native American1,3341.15%
Black or African American8370.72%
Asian3610.31%
Native Hawaiian or Pacific Islander320.03%
Race
Population ↓
Percentage (of total)
White27,30823.44%
Black or African American21,18818.19%
Asian16,18813.9%
Two or more races7,8946.78%
Native Hawaiian or Pacific Islander1,2931.11%
Other race5860.5%
Native American5790.5%

Antioch Marital Status

Economics and Income Statistics

Antioch 's average per capita income is $56,032. Household income levels show a median of $97,465. The poverty rate stands at 11.39%.

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$131,728-
Families$109,115$135,753
Households$97,465$124,206
Non Families$53,486$70,316

$56,032

Average Income

$97,465

Median Household Income

11.39%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)