Union City Flag

Union City

County:
Alameda County
County Seat:
No
Area (mi²):
19.398
State:
California

Union City is a city located in Alameda County, California. Union City has a 2025 population of 62,405. Union City is currently declining at a rate of -2.35% annually and its population has decreased by -10.76% since the most recent census, which recorded a population of 69,927 in 2020.

The average household income in Union City is $173,278 with a poverty rate of 6.95%.The median age in Union City is 42.1 years: 40.1 years for males, and 43.8 years for females.

62.4K
Total Population
3,217
Density (mi²)
-1.5K -2.35%
Growth

Union City Population

Union City Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Union City includes 55.88% Asian, 17.93% White, 9.57% other race, 5.32% Black or African American, and smaller percentages for Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
Asian38,07555.88%
White12,22117.93%
Two or more races6,5359.59%
Other race6,5249.57%
Black or African American3,6275.32%
Native Hawaiian or Pacific Islander5880.86%
Native American5710.84%

Union City Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Union City's average per capita income is $71,745. Household income levels show a median of $137,194. The poverty rate stands at 6.95%.

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$172,903-
Families$155,169$188,102
Households$137,194$173,278
Non Families$83,393$104,328

$71,745

Average Income

$137,194

Median Household Income

6.95%

Poverty Rate

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)