How many zip codes are in Trinity County California?

Trinity County, California contains 13 zip codes.

What is the county seat of Trinity County?

The county seat of Trinity County, California is Weaverville.

What cities are in Trinity County?

Trinity County USPS city names in this directory include Weaverville, Hayfork, Lewiston, Junction City, Douglas City, Salyer, Burnt Ranch, Trinity Center and 5 more. The county seat is Weaverville.

What is the population of Trinity County?

The population of Trinity County, California is approximately 15,775.

What zip codes are in Trinity County?

Trinity County contains 13 zip codes: 13 standard delivery ZIPs. Browse the table on this page for the complete list.

Trinity County, California Zip Codes

📍 Trinity County has 13 zip codes with a population of 15,775.

County

Trinity

County Seat

Weaverville

Zip Codes

Population

15,775

Trinity County is located in California with a land area of 2,878 square miles. The county seat is Weaverville. Below you'll find all 13 zip codes in Trinity County with population, income and home value, the county's affordability profile, and links to its 13 city pages.

Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).

All Trinity County Zip Codes

ZIP Code	City	County	Population	Median Income	Median Home	Details
95527	Burnt Ranch	Trinity	701	$55,714	$374,200	View →
95552	Mad River	Trinity	423	$21,550	$240,300	View →
95563	Salyer	Trinity	911	$41,354	$525,600	View →
95595	Zenia	Trinity	143	—	$597,800	View →
96010	Big Bar	Trinity	28	—	—	View →
96024	Douglas City	Trinity	1,105	$51,971	$302,700	View →
96041	Hayfork	Trinity	3,511	$40,354	$256,700	View →
96046	Hyampom	Trinity	328	$31,747	—	View →
96048	Junction City	Trinity	1,283	$61,061	$380,200	View →
96052	Lewiston	Trinity	2,538	$56,635	$339,200	View →
96076	Platina	Trinity	152	$26,321	—	View →
96091	Trinity Center	Trinity	693	$47,031	$320,800	View →
96093	Weaverville	Trinity	3,959	$49,842	$321,100	View →

Trinity County at a Glance

Residents (ZIPs with data)

15,775

Median household income

$49,842

Median home value

$321,100

Price-to-income ratio

6.4

Median rent

$958

Owner-occupied

76%

Bachelor's degree+

17%

Poverty rate

20.8%

Trinity County has 13 ZIP codes in this directory: 13 standard delivery ZIPs. The 9 ZIPs with published Census housing data cover 15,775 residents, the largest being 96093 (Weaverville) with 3,959 people.

The median ZIP in Trinity County has a household income of $49,842 and a home value of $321,100, a price-to-income ratio of 6.4, in line with the 6.7 California ZIP median. Affordability ranges from 96024 in Douglas City at a ratio of 5.8 to 95563 in Salyer, where the median home is $525,600. The highest median income is in 96048 (Junction City) at $61,061. Median rent across these ZIPs is $958 a month.

76% of households in the typical Trinity County ZIP own their home (statewide ZIP median 64%). 17% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 20.8%, far above the 10.8% statewide ZIP median. Overall density is about 5 residents per square mile across 2,878 square miles of ZIP land area.

Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 California ZIP Code Affordability Report.