Trinity County, CA demographics:
population, income, and more

Total population
15,860
-0.2% year-over-year change
Median household income
$53,002/yr
-0.9% year-over-year change
Housing units
8,112
-0.1% year-over-year change

Trinity County population

How many people live in Trinity County

Trinity County is home to 15,860 residents, according to the most recent Census data. Gender-wise, 48.5% of Trinity County locals are male, and 51.5% are female.

Total population
15,860
-0.2% year-over-year change
Gender ratio
Male
48.5%
7,685
Female
51.5%
8,175
Value Percent YoY change
Male 7,685 48.5% -1.2%
Female 8,175 51.5% 0.8%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Trinity County is 55, with the population distributed as follows: about 14.5% are children under 15, then 6.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 20.2% of the population, while another 28.2% fall into the 45 to 64 bracket. Finally, around 30.2% are 65 or older.

Median age
54.9
Age breakdown
Under 15
14.5%
15 to 24
6.9%
25 to 44
20.2%
45 to 64
28.2%
Over 65
30.2%
Value Percent YoY change
Under 15 2,301 14.5% -4.5%
15 to 24 1,098 6.9% -7.0%
25 to 44 3,198 20.2% 14.8%
45 to 64 4,468 28.2% -7.9%
Over 65 4,795 30.2% 2.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Trinity County, 95.1% of the population are US-born citizens, while 3.5% have gained naturalized citizenship. At the same time, 1.4% of residents are non-citizens. As for race, 78.3% of locals are Caucasian, 1.1% are African American and 0.6% have Asian roots. Another 3.8% are Indigenous American, 0.6% are Pacific Islanders, while 4.9% identify as another race. There’s also a share of 10.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
95.1%
Non-U.S.-born citizens
3.5%
Non-citizens
1.4%
Value Percent YoY change
U.S.-born citizens 15,085 95.1% 1.4%
Non-U.S.-born citizens 558 3.5% -20.1%
Non-citizens 217 1.4% -30.7%
Racial breakdown
White
78.3%
Black or African American
1.1%
American Indian and Alaska Native
3.8%
Asian
0.6%
Native Hawaiian and other Pacific Islander
0.6%
Two or more races
10.8%
Other
4.9%
Value Percent
White 12,412 78.3%
Black or African American 174 1.1%
American Indian and Alaska Native 594 3.8%
Asian 101 0.6%
Native Hawaiian and other Pacific Islander 97 0.6%
Two or more races 1,710 10.8%
Other 772 4.9%

Households in Trinity County

A peek inside Trinity County households

Trinity County has 5,585 households, with an average of 3 members in each. Of these, 52.3% are families, while the remaining 47.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
5,585
4.0% year-over-year change
Average people per household
3
Non-family households
2,665
Family households
2,920
Value Percent YoY change
Non-family households 2,665 47.7% -2.2%
Family households 2,920 52.3% 10.3%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Trinity County

The housing landscape of Trinity County

Trinity County's housing consists of 8,112 units, with 78.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.7% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 16.2% of the housing landscape.

Housing units
8,112
-0.1% year-over-year change
Housing types
Value Percent
1 unit, detached 6,358 78.4%
1 unit, attached 60 0.7%
3 or 4 units 119 1.5%
5 to 9 units 41 0.5%
10 to 19 units 22 0.3%
20 to 49 units 4 0%
50 or more units 3 0%
Mobile home 1,314 16.2%
Boat, RV, van, etc. 191 2.4%
Homes built since 2020
29
38.1% year-over-year change

The age of buildings in Trinity County

In Trinity County, the median construction year is 1977. About 7.6% of homes were built before the 1940s, with another 3.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 9.4% of homes were added from 2000 to 2009, 4.8% between 2010 and 2019, and 0.4% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 616 7.6% -2.1%
Built between 1940 and 1949 288 3.6% -2.4%
Built between 1950 and 1959 1,021 12.6% -7.7%
Built between 1960 and 1969 704 8.7% 29.2%
Built between 1970 and 1979 2,101 25.9% 3.8%
Built between 1980 and 1989 1,474 18.2% 8.2%
Built between 1990 and 1999 728 9% -3.1%
Built between 2000 and 2009 762 9.4% -15.3%
Built between 2010 and 2019 389 4.8% -20.4%
Built in 2020 or later 29 0.4% 38.1%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Trinity County occupancy rates

Out of the 5,585 occupied housing units in Trinity County, 71.7% are owner-occupied, while 28.3% are lived in by tenants. Meanwhile, 31.2% of all homes on the local market sit vacant.

Occupied housing units
5,585
4.0% year-over-year change
Occupancy breakdown
Renter occupied
1,579
Owner occupied
4,006
Value Percent YoY
change
Renter occupied 1,579 28.3% 9.0%
Owner occupied 4,006 71.7% 2.1%
Unoccupied housing units
31.2%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Trinity County housing costs

Housing costs in Trinity County come to a median of $852 per month, while tenants specifically pay a median gross rent of $1,073.

Median housing costs per month
$852/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Trinity County
$1,073/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Trinity County

Trinity County education at a glance

About 42.1% of the population in Trinity County went to high school, while 26.4% pursued college studies. Another 8.2% earned an associate degree and 13.7% hold a bachelor’s. Meanwhile, 7.8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 236 1.8% 10.3%
High school diploma 5,528 42.1% -5.1%
College diploma 3,468 26.4% -4.8%
Associate degree 1,072 8.2% 1.2%
Bachelor's degree 1,799 13.7% 52.2%
Graduate degree 1,030 7.8% -2.4%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Trinity County

How much people earn in Trinity County

The average annual household income in Trinity County was $76,682 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -5.2% change from the previous year. At the same time, the median income stood at $53,002, reflecting a -0.9% shift over the same period.

Average household income in Trinity County
$76,682/year
-5.2% year-over-year change
Median household income in Trinity County
$53,002/year
-0.9% year-over-year change

Trinity County income by age

In Trinity County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $53,042. Those with someone between 45 and 64 in charge, often well established professionally, earn $74,375 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $65,463, while those led by someone over 65, many of whom may be retired, have about $46,727 in earnings. Overall, 79.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $65,463 55.6%
25 - 44 $53,042 -7.9%
45 - 64 $74,375 -0.7%
Over 65 $46,727 -0.1%
Above poverty level
12,340
Below poverty level
3,239
Value Percent YoY
change
Above poverty level 12,340 79.2% -3.1%
Below poverty level 3,239 20.8% 15.2%

Employment in Trinity County

Workforce and job types in Trinity County

The job market in Trinity County is powered by 5,157 working residents, spread across a range of industries and roles. 79.1% of the working population are employed in professional or administrative positions, while 20.9% are in hands-on or service-based jobs. Also, 26.1% run their own businesses, 45.6% are employed by private companies, and 26.4% work in the public sector.

Workforce demographics

Working population
5,157
3.7% year-over-year change
White collar
4,080
Blue collar
1,077
Value Percent YoY change
White collar 4,080 79.1% 10.7%
Blue collar 1,077 20.9% -16.1%
Employer type
Self employees
26.1%
Private companies
45.6%
Governmental workers
26.4%
Not for profit companies
1.8%
Value Percent YoY change
Self employees 1,347 26.1% -20.7%
Private companies 2,354 45.6% 14.1%
Governmental workers 1,361 26.4% 19.9%
Not for profit companies 95 1.8% 30.1%
Unemployment rate
8.4%
50.3% year-over-year change

Available workforce

The unemployment rate in Trinity County stands at 8.4%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Trinity County

How people get around in Trinity County

In Trinity County, the average commute time is 27 minutes. Commuting methods vary: 72.6% of residents travel by personal vehicle and 0.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
27 min
Means of transportation
Value Percent YoY change
Car 3,747 72.6% 11.6%
Bus or trolleybus 41 0.8% -44.6%
Motorcycle 168 3.2% 93.1%
Bicycle 23 0.4% 76.9%
Walk 42 0.8% -2.3%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Trinity County by zipcode?

Zipcode Population Number of households Median income Average income
95527 622 226 $76,667 $83,732
95552 586 223 $77,796 $67,180
95563 577 161 $62,893 $89,638
95595 133 74 $28,704 $74,055
96052 2,366 622 $37,222 $55,091
96010 212 25 $28,958 $24,920
96024 1,082 394 $43,750 $62,729
96041 2,889 1,223 $0 $78,843
96046 489 63 $0 $0
96048 1,297 319 $50,521 $58,497

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FAQs about Trinity County demographics 

What is the total population of Trinity County?

Trinity County has a total population of 15,860 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.2% compared to a year ago.

What is the gender ratio in Trinity County?

The gender ratio in Trinity County is as follows:
  • 48.5% males (7,685 residents)
  • 51.5% females (8,175 residents)

What is the median age in Trinity County?

The median age in Trinity County is 54.9.

What is the age distribution of the population in Trinity County?

The age distribution in Trinity County is as follows:
  • Under 15: 14.5% (2,301 residents)
  • Ages 15-24: 6.9% (1,098 residents)
  • Ages 25-44: 20.2% (3,198 residents)
  • Ages 45-64: 28.2% (4,468 residents)
  • Over 65: 30.2% (4,795 residents)

What is the racial and ethnic makeup of Trinity County?

The racial and ethnic makeup of Trinity County is as follows:
  • White: 78.3% (12,412 residents)
  • Black or African American: 1.1% (174 residents)
  • American Indian and Alaska Native: 3.8% (594 residents)
  • Asian: 0.6% (101 residents)
  • Native Hawaiian and Other Pacific Islander: 0.6% (97 residents)
  • Two or More Races: 10.8% (1,710 residents)
  • Other: 4.9% (772 residents)

What percentage of the population in Trinity County are U.S.-born citizens?

U.S.-born citizens represent 95.1% of the population in Trinity County.

How many housing units are there in Trinity County?

There are 8,112 housing units in Trinity County, reflecting a -0.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Trinity County and what is the average household size?

Trinity County has a total of 5,585 households, with an average of 3 people in each.

What is the median household income in Trinity County?

Trinity County has a median household income of $53,002, representing a -0.9% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Trinity County?

The employment rate is 91.6% in Trinity County, with a workforce of 5,157 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 79.1% (4,080 residents)
  • Blue-collar workers: 20.9% (1,077 residents)

Places of employment:
  • Self-employed: 26.1% (1,347 residents)
  • Private companies: 45.6% (2,354 residents)
  • Governmental workers: 26.4% (1,361 residents)
  • Not-for-profit companies: 1.8% (95 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025