Port Costa CDP, CA Population By Ancestry in 2021 (ACS-5Yrs)

Updated on March 6, 2024.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 247 Port Costa CDP, CA population, 189 had Irish ancestry (76.52%), 171 had German ancestry (69.23%), and 21 had Norwegian ancestry (8.50%).

The chart below shows the top 6 ancestry groups, and the table below shows both the number and percentages for all ancestry groups.

You can also see similar information for other California cities and places, California counties, and for California.

Port Costa CDP, CA Percentages of Ancestry of Population in 2021
Irish
German
Norwegian
Other Groups
English
Unclassified
Port Costa CDP, CA Population By Ancestry in 2021
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Ancestry Number of Ancestry Percentage of Population (%)
Irish 189 76.52
German 171 69.23
Norwegian 21 8.50
Other Groups 18 7.29
English 15 6.07
Unclassified 13 5.26