Groundwork

Auto · County · Iowa

Auto repair and car care businesses in Clayton County, IA

How Clayton County, IA compares with other counties and the U.S. for auto repair and car care businesses: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 53 out of 100: Upper middle

Ranked #1,110 of 2,401 scored counties
#25 of 72 scored counties in Iowa

Listings
36
10 chain locations (28%)
Official establishments
8
Businesses with payroll, 2023
Household spending a year
$8.6M
On vehicle maintenance and repairs · $1,140 a household
Spending per listing
$238K
12% below the U.S.
Listings per 10k households
47.9
34% above the U.S.
Population, 2025
16,845
−1.1% since 2020

See the auto repair and car care businesses around any address in Clayton 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 Clayton County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Survey 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 Clayton County comes to about $8.6M a year: $1,140 per household, 19% above the U.S. average. Spread across 36 auto repair and car care businesses, that is $238K per business, 12% below the U.S. figure of $269K.

There are 36 auto repair and car care businesses on map listings in Clayton County as of September 2026. Chain locations make up 28% of them, against 24% across the U.S. That is 47.9 per 10,000 households, 34% above the U.S. rate of 35.7.

In 2023, official counts showed 8 businesses with payroll in Clayton County classed as automotive repair and maintenance, and tire dealers. That is one for every 939 households, against one for every 681 across the U.S. Official counts list 30 one-person businesses without payroll.

Population estimates put the population change in Clayton County from 2020 to 2025 at −1.1%, against +3.1% for the U.S. For auto repair and car care businesses, Clayton County has a Groundwork market score of 53 (upper middle): #1,110 of 2,401 scored counties and #25 of 72 scored counties in Iowa.

How Clayton County compares

The same measures for Iowa 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 Clayton County, IA compared with Iowa and the U.S.
MeasureClayton CountyIowaU.S.
Listings per 10k households47.941.835.7
Spending per listing$238K$271K$269K
Households per official establishment939558681
Official establishment growth, 2019–2023n/a+0.9%+4.1%
Population growth, 2020–2025−1.1%+1.5%+3.1%
Spending per household on vehicle maintenance and repairs$1,140$1,134$958
Median household income$67,242$75,059$80,734
Groundwork market score5342

Official counts and lending

Businesses

Official establishments, 2019 to 2023
11 → 8
Employees, 2023
34
Annual payroll, 2023
$1.2M
One-person businesses, 2023
30Businesses with no payroll
Map listings, September 2026
3610 chain locations
Listings at the U.S. rate for this spending
32The 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 automotive repair and maintenance, and tire dealers in Clayton 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 Clayton County

Population, 2025 estimate
16,845−1.1% since 2020
Households
7,509
Median age
46.9
Homes lived in by their owners
78%
Vehicles per household
2.0
Land area
779 sq. mi.
People per square mile
22
Median household income
$67,242+26.5% vs. 2015–2019, before inflation
Average household income
$86,441
Median home value
$168,500
Jobs located here
6,129
Daytime population
14,966Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Clayton 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 Clayton County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Auto repair and car care across Iowa

Every Iowa market ranked →

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

Top counties in Iowa

Counties in Iowa ranked for auto repair and car care businesses by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Dallas County, IA9311727.5$437K+17.8%#9 of 2,401
2Johnson County, IA7517527.6$370K+4.6%#228 of 2,401
3Buchanan County, IA753340.0$314K+1.3%#236 of 2,401
4Tama County, IA742435.7$338K−1.5%#254 of 2,401
5Warren County, IA728440.6$310K+9.0%#316 of 2,401
6Polk County, IA6870734.4$313K+4.8%#435 of 2,401
7Bremer County, IA653738.1$321K+1.1%#532 of 2,401
8Harrison County, IA642846.0$279K+0.4%#594 of 2,401
9Story County, IA6313534.7$310K+2.7%#625 of 2,401
10Buena Vista County, IA623343.7$272K−1.7%#676 of 2,401
25Clayton County, IA533647.9$238K−1.1%#1,110 of 2,401

Other business types in Clayton 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 Clayton County, IA?

As of September 2026, map listings count 36 auto repair and car care businesses in Clayton County. 10 of them (28%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 8 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023. Official counts also show 30 one-person businesses without payroll.

How much do households in Clayton County, IA spend on vehicle maintenance and repairs?

About $8.6M a year, or $1,140 per household. That is 19% above the U.S. average (an index of 119, where 100 is the U.S. average). Spread across the 36 auto repair and car care businesses on map listings, it comes to $238K per business. It is estimated from the incomes of the 7,509 households in Clayton County and national spending patterns by income.

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

Clayton County has 47.9 auto repair and car care businesses per 10,000 households, 34% above the U.S. rate of 35.7. Spending per business is $238K, 12% below the U.S. figure of $269K. At the U.S. ratio of auto repair and car care businesses to household spending, Clayton County would have about 32, against 36 on map listings. There is one business with payroll in the industry for every 939 households, against one for every 681 across the U.S.

How fast is Clayton County, IA growing?

Population estimates put Clayton County at 16,845 people in 2025, down 1.1% since 2020, against +3.1% for the U.S. It has 7,509 households. The median household income in Clayton County is $67,242 a year, 17% below the U.S. median of $80,734. That rose 26.5% from the 2015–2019 survey, 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. Clayton County scores 53 for auto repair and car care businesses (upper middle), #1,110 of 2,401 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Clayton 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 Clayton County

Screening a site or an acquisition in Clayton 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 Clayton 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.