Auto · County · Iowa
Auto repair shops in Decatur County, IA
How Decatur County, IA compares with other counties and the U.S. for auto repair shops: competitors, household spending, official counts and growth.
Groundwork market score
Not scored
Counties under 10,000 people aren’t scored, since a few businesses can swing their figures.
- Listings
- 11
- 1 chain location (9%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $3.6M
- On vehicle maintenance and repairs · $1,164 a household
- Spending per listing
- $323K
- 27% below the U.S.
- Listings per 10k households
- 36.0
- 67% above the U.S.
- Population, 2025
- 7,655
- −0.9% since 2020
See the auto repair shops around any address in Decatur 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 Decatur 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 Decatur County comes to about $3.6M a year: $1,164 per household, 21% above the U.S. average. That works out to $323K per shop, 27% below the U.S. figure of $445K. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops.
There are 11 auto repair shops on map listings in Decatur County as of September 2026. One of them (9%) is a chain location, against 16% across the U.S. That comes to 36.0 for every 10,000 households, 67% above the U.S. rate of 21.5.
Official counts don’t publish a figure for mechanical, body and glass repair in Decatur County, since they leave out counts under 3. Official counts list 8 one-person businesses without payroll.
Population estimates put the population change in Decatur County from 2020 to 2025 at −0.9%, against +3.1% for the U.S. Counties under 10,000 people aren’t given a market score, since a few businesses can swing their figures.
How Decatur 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 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 | Decatur County | Iowa | U.S. |
|---|---|---|---|
| Listings per 10k households | 36.0 | 24.1 | 21.5 |
| Spending per listing | $323K | $470K | $445K |
| Households per official establishment | n/a | 766 | 955 |
| Official establishment growth, 2019–2023 | n/a | −1.3% | +2.1% |
| Population growth, 2020–2025 | −0.9% | +1.5% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,164 | $1,134 | $958 |
| Median household income | $59,044 | $75,059 | $80,734 |
| Groundwork market score | Not scored | 46 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- n/a
- Employees, 2023
- n/a
- Annual payroll, 2023
- n/a
- One-person businesses, 2023
- 8Businesses with no payroll
- Map listings, September 2026
- 111 chain location
- Listings at the U.S. rate for this spending
- 8The 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 Decatur 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 Decatur County
- Population, 2025 estimate
- 7,655−0.9% since 2020
- Households
- 3,055
- Median age
- 36.5
- Homes lived in by their owners
- 70%
- Vehicles per household
- 2.1
- Land area
- 532 sq. mi.
- People per square mile
- 15
- Median household income
- $59,044
- Average household income
- $74,390
- Median home value
- $113,900
- Jobs located here
- 2,070
- Daytime population
- 6,526Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Decatur 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 Decatur 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 Iowa
Every Iowa market ranked →The highest-scoring counties in Iowa for auto repair shops, numbered among those based in Iowa, with Decatur County marked.
Top counties in Iowa
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Dallas County, IA | 95 | 53 | 12.5 | $964K | +17.8% | #5 of 2,378 |
| 2Tama County, IA | 78 | 11 | 16.4 | $738K | −1.5% | #150 of 2,378 |
| 3Johnson County, IA | 75 | 100 | 15.8 | $647K | +4.6% | #211 of 2,378 |
| 4Buchanan County, IA | 72 | 18 | 21.8 | $577K | +1.3% | #290 of 2,378 |
| 5Marion County, IA | 71 | 28 | 21.0 | $603K | +2.3% | #309 of 2,378 |
| 6Polk County, IA | 70 | 404 | 19.7 | $549K | +4.8% | #347 of 2,378 |
| 7Buena Vista County, IA | 69 | 15 | 19.9 | $597K | −1.7% | #372 of 2,378 |
| 8Grundy County, IA | 69 | 13 | 25.4 | $499K | +0.2% | #389 of 2,378 |
| 9Bremer County, IA | 68 | 19 | 19.6 | $626K | +1.1% | #412 of 2,378 |
| 10Story County, IA | 66 | 78 | 20.0 | $537K | +2.7% | #495 of 2,378 |
| Decatur County, IA | Not scored | 11 | 36.0 | $323K | −0.9% |
Other business types in Decatur County
None has a Groundwork market score here. Counties under 10,000 people aren’t scored, since a few businesses can swing their figures.
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 Decatur County, IA?
As of September 2026, map listings count 11 auto repair shops in Decatur County. One of them (9%) is a chain location. The listings count general, specialty, body and glass repair shops. No official count is published for mechanical, body and glass repair in Decatur County: counts under 3 are left out. Official counts also show 8 one-person businesses without payroll.
How much do households in Decatur County, IA spend on vehicle maintenance and repairs?
About $3.6M a year, or $1,164 per household. That is 21% above the U.S. average (an index of 121, where 100 is the U.S. average). Spread across the 11 auto repair shops on map listings, it comes to $323K 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 3,055 households in Decatur County and national spending patterns by income.
How does Decatur County, IA compare with the U.S. for auto repair shops?
Decatur County has 36.0 auto repair shops per 10,000 households, 67% above the U.S. rate of 21.5. Spending per shop is $323K, 27% below the U.S. figure of $445K. At the U.S. ratio of auto repair shops to household spending, Decatur County would have about 8, against 11 on map listings.
How fast is Decatur County, IA growing?
Population estimates put Decatur County at 7,655 people in 2025, down 0.9% since 2020, against +3.1% for the U.S. It has 3,055 households. Median household income in Decatur County is $59,044, 27% below the U.S. median of $80,734.
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. The score leaves out counties under 10,000 people, where a handful of businesses would swing it.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Decatur 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 Decatur County
Screening a site or an acquisition in Decatur 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 Decatur 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.