Union City is a city located in Alameda County California. With a 2020 population of 70,269, it is the 132nd largest city in California and the 578th largest city in the United States. Union City is currently growing at a rate of 0.09% annually but its population has decreased by -6.39% since the most recent census, which recorded a population of 75,067 in 2020. Spanning over 19 miles, Union City has a population density of 3,622 people per square mile.
The average household income in Union City is $133,752 with a poverty rate of 5.61%. The median rental costs in recent years comes to $2,322 per month, and the median house value is $812,000. The median age in Union City is 38.4 years, 36.4 years for males, and 40.9 years for females.
According to the most recent ACS, the racial composition of Union Citywas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among white people with a rate of 92.82%.
The highest rate of bachelors degrees is among asian people with a rate of 52.61%.
34.46% of Union City residents speak only English, while 65.54% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 34.37% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Union City is White, with 13.25% below the poverty level.
The race least likely to be in poverty in Union City is Multiple, with 3.42% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.84%. Among those working part-time, it was 6.79%, and for those that did not work, the poverty rate was 12.19%.
Number of Veterans
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Union City
53.64% of Union City residents were born in the United States, with 44.48% having been born in California. 15.30% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.