Port Costa, CA Profile: Facts, Map & Data


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Port Costa, California - Basic Facts

The Port Costa Census Designated Place had a population of 202 as of July 1, 2017.

The primary coordinate point for Port Costa is located at latitude 38.0445 and longitude -122.1849 in Contra Costa County. The formal boundaries for the Port Costa Census Designated Place (see map below) encompass a land area of 0.16 sq. miles and a water area of 0 sq. miles. Contra Costa County is in the Pacific time zone (GMT -8). The elevation is 16 feet.

The Port Costa Census Designated Place (GNIS ID: 2409091) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The Port Costa Census Designated Place is located within West Contra Costa CCD of Contra Costa County.

Beneath the boundary map are tables with Port Costa population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Port Costa Census Designated Place, CA Boundary Map

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Boundary Maps: West Contra Costa CCD | Contra Costa County | California Counties

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Port Costa, CA Data & Demographics (As of July 1, 2017)


Total Population 202
Daytime Population: Workers 23
Daytime Population: Residents 87
Total Daytime Population (TDP) 110
Ratio TDP/Total Population1 0.54
Population in Households 202
Population in Familes 157
Population in Group Qrtrs 0
Population Density2 1,276
Diversity Index3 53


Median Household Income $103,324
Average Household Income $128,026
Per Capita Income $55,481


Total Housing Units 115 (100%)
Owner Occupied HU 78 (67.8%)
Renter Occupied HU 26 (22.6%)
Vacant Housing Units 11 ( 9.6%)
Median Home Value $460,000
Average Home Value $466,987


Total Households 104
Average Household Size 1.94
Family Households 68
Average Family Size 2
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.85% 0.88%
Households 0.68% 0.94%
Families 5.54% 0.87%
Median Household Income   1.42%
Per Capita Income   2.14%

Port Costa, CA - Peer Comparisons by Rank and Percentile

The table below compares Port Costa to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 1332 12th
Population Density # 726 52nd
Diversity Index # 951 38th
Median Household Income # 159 90th
Per Capita Income # 165 89th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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