Groundwork

Auto · County · California

Tire shops in Sonoma County, CA

Competitor counts, household spending and official business counts for tire shops in Sonoma County, CA, set against other counties and the U.S.

Groundwork market score · out of 100

Score 66 out of 100: Upper middle

Ranked #365 of 1,530 scored counties
#14 of 47 scored counties in California

Listings
59
23 chain locations (39%)
Official establishments
36
−2.7% since 2019
Household spending a year
$225.8M
On vehicle maintenance and repairs · $1,182 a household
Spending per listing
$3.8M
53% above the U.S.
Listings per 10k households
3.1
18% below the U.S.
Population, 2025
486,444
−0.4% since 2020

See the tire shops around any address in Sonoma County

The site report maps the tire 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 Sonoma County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

As of September 2026, map listings count 59 tire shops in Sonoma County. Chain locations make up 39% of them, against 39% across the U.S. That comes to 3.1 for every 10,000 households, 18% below the U.S. rate of 3.8.

Households in Sonoma County spend about $225.8M a year on vehicle maintenance and repairs, or $1,182 per household, 23% above the U.S. average. Spread across 59 tire shops, that is $3.8M per shop, 53% above the U.S. figure of $2.5M. That spending covers all vehicle maintenance and repairs, which tire shops share with other businesses in the trade.

Official counts show 36 businesses with payroll classed as tire dealers in Sonoma County in 2023, down 2.7% from 2019. That is one for every 5,306 households, against one for every 6,381 across the U.S. Since fiscal 2022, 3 SBA-backed loans worth $1.6M have gone to businesses classed as tire dealers in Sonoma County.

Population estimates show Sonoma County declined 0.4% from 2020 to 2025, against +3.1% for the U.S. Sonoma County scores 66 (upper middle) on the Groundwork market score for tire shops, ranking #365 of 1,530 scored counties and #14 of 47 scored counties in California. That puts it in the top quarter of counties.

How Sonoma 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 tire 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.

Tire shops in Sonoma County, CA compared with California and the U.S.
MeasureSonoma CountyCaliforniaU.S.
Listings per 10k households3.13.93.8
Spending per listing$3.8M$2.9M$2.5M
Households per official establishment5,3065,8786,381
Official establishment growth, 2019–2023−2.7%+1.3%−0.4%
Population growth, 2020–2025−0.4%−0.4%+3.1%
Spending per household on vehicle maintenance and repairs$1,182$1,122$958
Median household income$104,674$99,122$80,734
Groundwork market score6652

Official counts and lending

Businesses

Official establishments, 2019 to 2023
37 → 36−2.7% over the period
Employees, 2023
371
Annual payroll, 2023
$17.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
5923 chain locations
Listings at the U.S. rate for this spending
90The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
3
Amount
$1.6M

SBA-backed loans to businesses classed as tire dealers in Sonoma 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 Sonoma County

Population, 2025 estimate
486,444−0.4% since 2020
Households
190,998
Median age
44.0
Homes lived in by their owners
63%
Vehicles per household
2.0
Land area
1,575 sq. mi.
People per square mile
308
Median household income
$104,674+29.2% vs. 2015–2019, before inflation
Average household income
$142,354
Median home value
$815,500
Jobs located here
200,159
Daytime population
465,573Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Sonoma 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 tire shops on map listings by name and distance.

Or open the report at the center of Sonoma County. Signed out, you see a blurred preview; on an account, each report is one action.

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Tire shops across California

Every California market ranked →

The highest-scoring counties in California for tire shops, numbered among those based in California, with Sonoma County marked.

Top counties in California

Counties in California ranked for tire shops by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Placer County, CA90392.5$4.9M+8.9%#15 of 1,530
2Yuba County, CA8982.8$4.1M+8.2%#19 of 1,530
3San Mateo County, CA78532.0$6M−2.5%#120 of 1,530
4El Dorado County, CA77192.5$5.1M+0.6%#131 of 1,530
5Nevada County, CA77122.8$4.2M−0.4%#134 of 1,530
6Santa Clara County, CA761812.7$4.4M−0.9%#149 of 1,530
7Marin County, CA75212.0$5.6M−2.9%#160 of 1,530
8Contra Costa County, CA721182.8$4.3M+0.3%#220 of 1,530
9Napa County, CA71132.6$4.6M−3.3%#238 of 1,530
10Orange County, CA713783.5$3.4M−1.1%#243 of 1,530
14Sonoma County, CA66593.1$3.8M−0.4%#365 of 1,530

Other business types in Sonoma County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many tire shops are in Sonoma County, CA?

Sonoma County has 59 tire shops on map listings as of September 2026. 23 of them (39%) are chain locations. The listings count tire shops and tire dealers. Official counts show 36 businesses with payroll classed as tire dealers in 2023, down 2.7% from 2019.

How much do households in Sonoma County, CA spend on vehicle maintenance and repairs?

About $225.8M a year, or $1,182 per household. That is 23% above the U.S. average (an index of 123, where 100 is the U.S. average). Spread across the 59 tire shops on map listings, it comes to $3.8M per shop. The spending figure covers all vehicle maintenance and repairs, not only tire shops. It is estimated from the incomes of the 190,998 households in Sonoma County and national spending patterns by income.

How does Sonoma County, CA compare with the U.S. for tire shops?

Sonoma County has 3.1 tire shops per 10,000 households, 18% below the U.S. rate of 3.8. Spending per shop is $3.8M, 53% above the U.S. figure of $2.5M. At the national ratio of tire shops to household spending, Sonoma County would have about 90, against 59 on map listings. There is one business with payroll in the industry for every 5,306 households, against one for every 6,381 across the U.S. The official count fell 2.7% from 2019 to 2023, against −0.4% for the U.S.

How fast is Sonoma County, CA growing?

Population estimates put Sonoma County at 486,444 people in 2025, down 0.4% since 2020, against +3.1% for the U.S. It has 190,998 households. Median household income in Sonoma County is $104,674, 30% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.2%, 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. Sonoma County scores 66 for tire shops (upper middle), #365 of 1,530 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Sonoma County. It maps the tire 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 tire shops · All 56 business types in Sonoma County

Screening a site or an acquisition in Sonoma 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 Sonoma 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.