Auto · County · California
Auto repair shops in Trinity County, CA
Competitor counts, household spending and official business counts for auto repair shops in Trinity County, CA, set against other counties and the U.S.
Groundwork market score · out of 100
Score 72 out of 100: Upper middle
Ranked #278 of 2,378 scored counties
#7 of 55 scored counties in California
- Listings
- 5
- 0 chain locations (0%)
- Official establishments
- 3
- Businesses with payroll, 2023
- Household spending a year
- $5.8M
- On vehicle maintenance and repairs · $1,034 a household
- Spending per listing
- $1.2M
- 2.6 times the U.S.
- Listings per 10k households
- 9.0
- 58% below the U.S.
- Population, 2025
- 15,720
- −2.3% since 2020
See the auto repair shops around any address in Trinity County
The site report maps the auto repair shops on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Trinity County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
Household spending on vehicle maintenance and repairs in Trinity County comes to about $5.8M a year: $1,034 per household, 8% above the U.S. average. Spread across 5 auto repair shops, that is $1.2M per shop, 2.6 times the U.S. figure of $445K. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops.
There are 5 auto repair shops on map listings in Trinity County as of September 2026. None of them are chain locations, against 16% across the U.S. That is 9.0 per 10,000 households, 58% below the U.S. rate of 21.5.
In 2023, official counts showed 3 businesses with payroll in Trinity County classed as mechanical, body and glass repair. That is one for every 1,862 households, against one for every 955 across the U.S. Official counts also show 11 one-person businesses without payroll.
Population estimates put the population change in Trinity County from 2020 to 2025 at −2.3%, against +3.1% for the U.S. For auto repair shops, Trinity County has a Groundwork market score of 72 (upper middle): #278 of 2,378 scored counties and #7 of 55 scored counties in California. That puts it in the top quarter of counties.
How Trinity County compares
The same measures for California and the whole U.S. Spending per listing divides a year of household spending on all vehicle maintenance and repairs by the auto repair shops counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.
| Measure | Trinity County | California | U.S. |
|---|---|---|---|
| Listings per 10k households | 9.0 | 24.7 | 21.5 |
| Spending per listing | $1.2M | $455K | $445K |
| Households per official establishment | 1,862 | 861 | 955 |
| Official establishment growth, 2019–2023 | n/a | +2.1% | +2.1% |
| Population growth, 2020–2025 | −2.3% | −0.4% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,034 | $1,122 | $958 |
| Median household income | $53,002 | $99,122 | $80,734 |
| Groundwork market score | 72 | 42 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 5 → 3
- Employees, 2023
- 6
- Annual payroll, 2023
- $306K
- One-person businesses, 2023
- 11Businesses with no payroll
- Map listings, September 2026
- 50 chain locations
- Listings at the U.S. rate for this spending
- 13The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 0
- Amount
- $0
SBA-backed loans to businesses classed as mechanical, body and glass repair in Trinity County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.
Population and households in Trinity County
- Population, 2025 estimate
- 15,720−2.3% since 2020
- Households
- 5,585
- Median age
- 51.9
- Homes lived in by their owners
- 72%
- Vehicles per household
- 1.9
- Land area
- 3,179 sq. mi.
- People per square mile
- 5
- Median household income
- $53,002+29.8% vs. 2015–2019, before inflation
- Average household income
- $76,682
- Median home value
- $325,800
- Jobs located here
- 2,503
- Daytime population
- 15,056Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Trinity County?
These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the auto repair shops on map listings by name and distance.
Or open the report at the center of Trinity County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardAuto repair shops across California
Every California market ranked →The highest-scoring counties in California for auto repair shops, numbered among those based in California, with Trinity County marked.
Top counties in California
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Yuba County, CA | 89 | 40 | 14.0 | $817K | +8.2% | #30 of 2,378 |
| 2Calaveras County, CA | 81 | 26 | 14.1 | $928K | +2.8% | #91 of 2,378 |
| 3San Benito County, CA | 80 | 47 | 22.9 | $633K | +8.6% | #117 of 2,378 |
| 4Mariposa County, CA | 79 | 8 | 10.7 | $1.1M | −1.2% | #126 of 2,378 |
| 5Placer County, CA | 77 | 323 | 20.4 | $591K | +8.9% | #172 of 2,378 |
| 6Contra Costa County, CA | 73 | 758 | 18.3 | $668K | +0.3% | #256 of 2,378 |
| 7Trinity County, CA | 72 | 5 | 9.0 | $1.2M | −2.3% | #278 of 2,378 |
| 8Merced County, CA | 72 | 180 | 20.9 | $531K | +5.1% | #297 of 2,378 |
| 9El Dorado County, CA | 70 | 134 | 17.6 | $729K | +0.6% | #334 of 2,378 |
| 10Mono County, CA | 69 | 6 | 10.4 | $1.1M | −5.4% | #357 of 2,378 |
Other business types in Trinity County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many auto repair shops are in Trinity County, CA?
As of September 2026, map listings count 5 auto repair shops in Trinity County. None of them are chain locations. The listings count general, specialty, body and glass repair shops. Official counts show 3 businesses with payroll classed as mechanical, body and glass repair in 2023. Another 11 one-person businesses have no payroll, by official counts.
How much do households in Trinity County, CA spend on vehicle maintenance and repairs?
About $5.8M a year, or $1,034 per household. That is 8% above the U.S. average (an index of 108, where 100 is the U.S. average). Spread across the 5 auto repair shops on map listings, it comes to $1.2M per shop. That spending covers all vehicle maintenance and repairs, which auto repair shops share with other businesses in the trade. It is estimated from the incomes of the 5,585 households in Trinity County and national spending patterns by income.
How does Trinity County, CA compare with the U.S. for auto repair shops?
Trinity County has 9.0 auto repair shops per 10,000 households, 58% below the U.S. rate of 21.5. Spending per shop is $1.2M, 2.6 times the U.S. figure of $445K. At the U.S. ratio of auto repair shops to household spending, Trinity County would have about 13, against 5 on map listings. There is one business with payroll in the industry for every 1,862 households, against one for every 955 across the U.S.
How fast is Trinity County, CA growing?
Population estimates put Trinity County at 15,720 people in 2025, down 2.3% since 2020, against +3.1% for the U.S. It has 5,585 households. Median household income in Trinity County is $53,002, 34% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.8%, before inflation.
What is the Groundwork market score?
The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. Trinity County scores 72 for auto repair shops (upper middle), #278 of 2,378 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Trinity County. It maps the auto repair shops on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.
How the score works · Top markets for auto repair shops · All 56 business types in Trinity County
Screening a site or an acquisition in Trinity County?
A site report maps the competitors on map listings near an address and sizes the households and spending around it.
The button opens the report at the center of Trinity County. Signed out, you see a blurred preview; on an account, each report is one action.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are estimates for research only. Not investment or real estate advice.