Port Costa CDP, California Demographics & Population 2026
As of 2026, Port Costa CDP, California has a total population of 194, the 1383rd largest city in California, with a median household income of N/A. The poverty rate is 0.0%.
Key Takeaways
- An exceptionally low poverty rate of 0.0% — among the lowest in California.
- Unemployment rate of 12.9% is notably above the national average.
Port Costa CDP Quick Facts
How Port Costa CDP Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 69 | National average: 60
Education
Educational Attainment (Adults 25+)
Port Costa CDP Rankings in California
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Cities Similar to Port Costa CDP
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Cherokee Strip CDP | 194 | $29,896 | $108,900 | 0.0% | 41.8% |
| Alpine Village CDP | 195 | $72,500 | $479,200 | 41.5% | 11.8% |
| Homewood Canyon CDP | 195 | N/A | $100,700 | 10.9% | 0.0% |
| Goodmanville CDP | 193 | $149,120 | N/A | 41.5% | 0.0% |
| Martell CDP | 193 | $156,094 | N/A | 4.8% | 1.2% |
Population Overview
Port Costa CDP is a small community located in California. The total population is 194. It ranks as the 1383rd most populous out of 1,577 cities and towns in California.
Age Demographics
The median age in Port Costa CDP is 68.5 years. This is 82% higher than the state median of 37.6 years. Only 0.0% of residents are under 18, indicating fewer families with children. 38.1% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The poverty rate stands at 0.0%. This is 100% lower than the state poverty rate of 12.0%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 12.9%. This is 101% higher than the state rate of 6.4%. The median home value is $586,500. Housing costs are 16% lower than the state median of $695,400. 35.4% of occupied housing units are owner-occupied. This homeownership rate is 37% lower than the state average of 55.8%.
Race & Ethnicity
The largest racial or ethnic group in Port Costa CDP is White (non-Hispanic), making up 84.0% of the population. Hispanic or Latino residents account for 16.0%. The White (non-Hispanic) population is significantly higher than the state average (84.0% vs 34.6%). The Hispanic or Latino population (16.0%) is well below the state average of 39.8%.
Education
19.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 48% lower than the state rate of 36.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 100.0%. Notably, 19.1% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Port Costa CDP, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,577 Census-designated places in California. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Port Costa CDP, California?
Port Costa CDP, California has a population of 194 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Port Costa CDP, CA?
The median household income in Port Costa CDP is N/A, which is the national median of $78,538.
What is the poverty rate in Port Costa CDP, CA?
The poverty rate in Port Costa CDP is 0.0%. This means approximately 0 residents live below the federal poverty line.
What is the racial makeup of Port Costa CDP, California?
Port Costa CDP's population is 84.0% White, 0.0% Black, 16.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Port Costa CDP, CA?
The median home value in Port Costa CDP is $586,500.
How educated is Port Costa CDP, California?
19.1% of adults (25+) in Port Costa CDP hold a bachelor's degree or higher, and 19.1% hold a graduate or professional degree.