Demographics & People — Port Costa, California

Population Overview

Population (Census)	194
Estimated 2026	~800
Median Age	67.3
Total Households	144
Family Households	39
Average Household Size	1.35
Diversity Index	0.2685 (somewhat diverse)

Race & Ethnicity

White	163
Black or African American	0
Asian	0
Hispanic or Latino	31

Heritage & Ancestry

Group	Count
Irish	201
German	162
Hispanic: Hispanic or Latino	29
Norwegian	28
Other groups	18
Hispanic: Central American	18
Hispanic: Guatemalan	18
English	11
Unclassified or not reported	11
Hispanic: Mexican	11

Language

English Only	175
Spanish	19
Population 5+	194

Veterans

Veterans	75
Population 18+	251

Commuting

Mean Commute Time	2.8 minutes
Work from Home	32.0%
Commuter Profile	N/A

Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for Port Costa, California.