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County ProfileCA

Trinity County

Population: 16,112 · 12 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
16,112
People
Median age
54.9
Housing
Total households
5,585
Income
Median household income
$53,002
Housing
Total housing units
8,112
Employment
Employment rate
38.3%
Education
Bachelor’s degree or higher
22.4%
Healthcare
Insured population
90.7%
County details
Local time 00:13:56(PT)
NameTrinity
Total ZIP codes12total
ZIP codes (by type)
9 Standard3 PO Box
Area code369, 530, 707
TimezonePacific Time (PT)
Coordinates40.6478582, -123.114666
Land area3,179.3 sq miles(8,234.3 km²)

Map of Trinity county, California with ZIP codes

Map of Trinity County, California and ZIP codes

Cities and Communities in Trinity County

Compare the largest cities in Trinity County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Weaverville3,667$65,7871ZIPs
Hayfork2,324$44,4341ZIPs
Lewiston1,222$39,9681ZIPs
Douglas City868$31,8271ZIPs
Junction City658$48,2501ZIPs
Salyer389$55,0001ZIPs
Mad River3611ZIPs
Burnt Ranch250$49,2261ZIPs
Hyampom2411ZIPs
Trinity Center198$58,7501ZIPs
Big Bar1541ZIPs
Zenia1461ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Trinity County

Review the most populated postal areas across Trinity County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
96041Hayfork5,574
96093Weaverville$65,7414,140
96052Lewiston$37,2221,498
96024Douglas City$43,750859
96048Junction City$50,521698
95563Salyer$62,893589
96091Trinity Center$61,058574
95527Burnt Ranch$76,667556
95552Mad River$77,796552
96046Hyampom304
96010Big Bar$28,958154
95595Zenia$28,704146

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS