Port Costa is a city located in Contra Costa County California. With a 2020 population of 190, it is the 1317th largest city in California and the 24309th largest city in the United States. Port Costa is currently declining at a rate of 0.00% annually and its population has decreased by -21.49% since the most recent census, which recorded a population of 242 in 2020. Spanning over 0 miles, Port Costa has a population density of 1,200 people per square mile.
The average household income in Port Costa is $175,040 with a poverty rate of 0.00%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Port Costa is 56.8 years, 56.4 years for males, and 60.5 years for females.
According to the most recent ACS, the racial composition of Port Costawas:
Rate of Home Ownership
Average Family Size
Average Household Size
The highest rate of high school graduation is among other race people with a rate of 100.00%.
The highest rate of bachelors degrees is among white people with a rate of 38.94%.
83.06% of Port Costa residents speak only English, while 16.94% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 16.94% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Port Costa is Other, with NaN% below the poverty level.
The race least likely to be in poverty in Port Costa is Other, with NaN% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 0.00%, and for those that did not work, the poverty rate was 0.00%.
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 Port Costa
93.39% of Port Costa residents were born in the United States, with 59.09% having been born in California. 6.61% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.