Port Costa is a CDP located in Contra Costa County California. Port Costa has a 2024 population of 261. Port Costa is currently growing at a rate of 1.95% annually and its population has increased by 7.85% since the most recent census, which recorded a population of 242 in 2020.
The average household income in Port Costa is $77,217 with a poverty rate of 0%. The median age in Port Costa is 66.8 years: 69.8 years for males, and 63 years for females.
According to the most recent ACS, the racial composition of Port Costa was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 222 | 88.45% |
| Other race | 18 | 7.17% |
| Two or more races | 11 | 4.38% |
| Black or African American | 0 | 0% |
| Native American | 0 | 0% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Other race
Two or more races
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 171 | 1.47 | 29.2 | 70.8 |
| Non Family | 132 | 1.24 | 8.3 | 91.7 |
| Married | 39 | 2.23 | 100 | 0 |
| Male | 0 | 0 | 0 | 0 |
| Female | 0 | 0 | 0 | 0 |
1.95
Average Family Size
1.47
Average Household Size
29.2%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 0 | 0% |
| Associates Degree | 113 | 45.02% |
| Bachelors Degree | 0 | 0% |
| Graduate Degree | 37 | 14.74% |
| High School Graduate | 40 | 15.94% |
| Less Than 9th Grade | 32 | 12.75% |
| Some College | 29 | 11.55% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 222 | 190 | 37 |
| Hispanic | 29 | 29 | 0 |
| Other Race | 18 | 18 | 0 |
| 2+ Races | 11 | 11 | 0 |
The highest rate of high school graduation is among other race people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 16.67%.
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
92.83% of Port Costa residents speak only English, while 7.17% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.17% of the population.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 0% |
| High School | 0% |
| Some College | 0% |
| Bachelors or Greater | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 0% |
| Male Unemployed | 0% |
| Female Employed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | - | $-999,999,999 |
| Households | - | $77,217 |
| Married Families | - | $-999,999,999 |
| Non Families | - | $75,825 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
30.3%
Overall Marriage Rate
22.3%
Male Marriage Rate
48.7%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is Over 65.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
75
Number of Veterans
75
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 75 |
| Second Gulf War | 0 |
| First Gulf War | 0 |
| Korea | 0 |
| World War II | 0 |
count
Age Group | Veterans |
|---|---|
| 75+ | 75 |
| 18 to 34 | 0 |
| 35 to 54 | 0 |
| 55 to 64 | 0 |
| 65 to 74 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 75 | 33.78% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
100%
Veteran Disability Rate
LaborForceParticipation
59.4%
Labor Force Participation
55%
Employment Rate
7.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
45.42%
Born in Port Costa
92.83%
Native Born
7.17%
Foreign Born
7.17%
Non Citizen
0%
Naturalized
92.83% of Port Costa residents were born in the United States, with 45.42% having been born in California. 7.17% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Change |
|---|---|---|---|
| 2024 | 261 | 5 | 1.95% |
| 2023 | 256 | 5 | 1.99% |
| 2022 | 251 | 4 | 1.62% |
| 2021 | 247 | 5 | 2.07% |
| 2020 | 242 | 62 | 34.44% |
| 2019 | 180 | -6 | -3.23% |
| 2018 | 186 | 8 | 4.49% |
| 2017 | 178 | -50 | -21.93% |
| 2016 | 228 | -83 | -26.69% |
| 2015 | 311 | 9 | 2.98% |
| 2014 | 302 | -23 | -7.08% |
| 2013 | 325 | -36 | -9.97% |
| 2012 | 361 | 87 | 31.75% |
| 2011 | 274 | 84 | 44.21% |
| 2010 | 190 | 0 | 0% |