Groundwork

Auto · County · Missouri

Auto repair and car care businesses in Clay County, MO

The auto repair and car care businesses in Clay County, MO, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 69 out of 100: Upper middle

Ranked #382 of 2,401 scored counties
#10 of 85 scored counties in Missouri

Listings
321
99 chain locations (31%)
Official establishments
166
+14.5% since 2019
Household spending a year
$113.4M
On vehicle maintenance and repairs · $1,109 a household
Spending per listing
$353K
31% above the U.S.
Listings per 10k households
31.4
12% below the U.S.
Population, 2025
265,032
+4.3% since 2020

See the auto repair and car care businesses around any address in Clay County

The site report maps the auto repair and car care businesses 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 Clay 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

Map listings as of September 2026 show 321 auto repair and car care businesses in Clay County. Chain locations make up 31% of them, against 24% across the U.S. That is 31.4 per 10,000 households, 12% below the U.S. rate of 35.7.

At $1,109 per household (16% above the U.S. average), households in Clay County spend about $113.4M a year on vehicle maintenance and repairs. That works out to $353K per business, 31% above the U.S. figure of $269K.

The official count of businesses with payroll classed as automotive repair and maintenance, and tire dealers in Clay County was 166 in 2023, up 14.5% from 2019. That is one for every 615 households, against one for every 681 across the U.S. Official counts list 185 one-person businesses without payroll. Since fiscal 2022, 2 SBA-backed loans worth $1.3M have gone to businesses classed as automotive repair and maintenance, and tire dealers in Clay County.

Between 2020 and 2025, the population of Clay County grew 4.3%, faster than the U.S. (+3.1%). The Groundwork market score for auto repair and car care businesses in Clay County is 69 (upper middle), #382 of 2,401 scored counties and #10 of 85 scored counties in Missouri. That puts it in the top quarter of counties.

How Clay County compares

The same measures for Missouri and the whole U.S. Spending per listing divides a year of household spending on all vehicle maintenance and repairs by the auto repair and car care businesses counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Auto repair and car care in Clay County, MO compared with Missouri and the U.S.
MeasureClay CountyMissouriU.S.
Listings per 10k households31.437.935.7
Spending per listing$353K$279K$269K
Households per official establishment615613681
Official establishment growth, 2019–2023+14.5%+2.8%+4.1%
Population growth, 2020–2025+4.3%+1.9%+3.1%
Spending per household on vehicle maintenance and repairs$1,109$1,058$958
Median household income$88,468$70,702$80,734
Groundwork market score6942

Official counts and lending

Businesses

Official establishments, 2019 to 2023
145 → 166+14.5% over the period
Employees, 2023
1,253
Annual payroll, 2023
$67.6M
One-person businesses, 2023
185Businesses with no payroll
Map listings, September 2026
32199 chain locations
Listings at the U.S. rate for this spending
422The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
2
Amount
$1.3M

SBA-backed loans to businesses classed as automotive repair and maintenance, and tire dealers in Clay 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 Clay County

Population, 2025 estimate
265,032+4.3% since 2020
Households
102,171
Median age
38.7
Homes lived in by their owners
69%
Vehicles per household
1.9
Land area
398 sq. mi.
People per square mile
649
Median household income
$88,468+25.5% vs. 2015–2019, before inflation
Average household income
$108,962
Median home value
$275,600
Jobs located here
117,697
Daytime population
242,115Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Clay 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 and car care businesses on map listings by name and distance.

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

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Auto repair and car care across Missouri

Every Missouri market ranked →

The highest-scoring counties in Missouri for auto repair and car care businesses, numbered among those based in Missouri, with Clay County marked.

Top counties in Missouri

Counties in Missouri ranked for auto repair and car care businesses by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Platte County, MO8811125.3$465K+6.7%#29 of 2,401
2Warren County, MO845237.6$343K+9.2%#67 of 2,401
3Johnson County, MO807133.7$340K+4.9%#129 of 2,401
4Stone County, MO764231.0$357K+4.1%#203 of 2,401
5Osage County, MO741528.4$477K+2.7%#241 of 2,401
6Cass County, MO7416337.7$331K+7.1%#256 of 2,401
7Andrew County, MO732434.3$359K+0.7%#272 of 2,401
8Boone County, MO7324431.9$334K+4.2%#279 of 2,401
9St. Charles County, MO7256435.0$343K+4.9%#302 of 2,401
10Clay County, MO6932131.4$353K+4.3%#382 of 2,401

Other business types in Clay County

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

Questions

How many auto repair and car care businesses are in Clay County, MO?

There are 321 auto repair and car care businesses on map listings in Clay County as of September 2026. 99 of them (31%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 166 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023, up 14.5% from 2019. Official counts also show 185 one-person businesses without payroll.

How much do households in Clay County, MO spend on vehicle maintenance and repairs?

About $113.4M a year, or $1,109 per household. That is 16% above the U.S. average (an index of 116, where 100 is the U.S. average). Spread across the 321 auto repair and car care businesses on map listings, it comes to $353K per business. It is estimated from the incomes of the 102,171 households in Clay County and national spending patterns by income.

How does Clay County, MO compare with the U.S. for auto repair and car care businesses?

Clay County has 31.4 auto repair and car care businesses per 10,000 households, 12% below the U.S. rate of 35.7. Spending per business is $353K, 31% above the U.S. figure of $269K. At the national ratio of auto repair and car care businesses to household spending, Clay County would have about 422, against 321 on map listings. There is one business with payroll in the industry for every 615 households, against one for every 681 across the U.S. The official count rose 14.5% from 2019 to 2023, against +4.1% for the U.S.

How fast is Clay County, MO growing?

Population estimates put Clay County at 265,032 people in 2025, up 4.3% since 2020, faster than the U.S. (+3.1%). It has 102,171 households. Median household income in Clay County is $88,468, 10% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 25.5%, 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. Clay County scores 69 for auto repair and car care businesses (upper middle), #382 of 2,401 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Clay County. It maps the auto repair and car care businesses 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 and car care businesses · All 56 business types in Clay County

Screening a site or an acquisition in Clay 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 Clay 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.