Groundwork

Auto · County · Iowa

Auto repair shops in Warren County, IA

How Warren County, IA compares with other counties and the U.S. for auto repair shops: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 61 out of 100: Upper middle

Ranked #701 of 2,378 scored counties
#16 of 72 scored counties in Iowa

Listings
57
7 chain locations (12%)
Official establishments
30
+15.4% since 2019
Household spending a year
$26M
On vehicle maintenance and repairs · $1,258 a household
Spending per listing
$456K
3% above the U.S.
Listings per 10k households
27.6
28% above the U.S.
Population, 2025
57,331
+9.0% since 2020

See the auto repair shops around any address in Warren 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 Warren 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

Households in Warren County spend about $26M a year on vehicle maintenance and repairs, or $1,258 per household, 31% above the U.S. average. Spread across 57 auto repair shops, that is $456K per shop, 3% above the U.S. figure of $445K. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops.

There are 57 auto repair shops on map listings in Warren County as of September 2026. Chain locations make up 12% of them, against 16% across the U.S. That comes to 27.6 for every 10,000 households, 28% above the U.S. rate of 21.5.

The official count of businesses with payroll classed as mechanical, body and glass repair in Warren County was 30 in 2023, up 15.4% from 2019. That is one for every 689 households, against one for every 955 across the U.S. Another 41 one-person businesses have no payroll, by official counts. Since fiscal 2022, 1 SBA-backed loan worth $190K has gone to businesses classed as mechanical, body and glass repair in Warren County.

Population estimates show Warren County grew 9.0% from 2020 to 2025, faster than the U.S. (+3.1%). For auto repair shops, Warren County has a Groundwork market score of 61 (upper middle): #701 of 2,378 scored counties and #16 of 72 scored counties in Iowa.

How Warren 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.

Auto repair shops in Warren County, IA compared with Iowa and the U.S.
MeasureWarren CountyIowaU.S.
Listings per 10k households27.624.121.5
Spending per listing$456K$470K$445K
Households per official establishment689766955
Official establishment growth, 2019–2023+15.4%−1.3%+2.1%
Population growth, 2020–2025+9.0%+1.5%+3.1%
Spending per household on vehicle maintenance and repairs$1,258$1,134$958
Median household income$94,588$75,059$80,734
Groundwork market score6146

Official counts and lending

Businesses

Official establishments, 2019 to 2023
26 → 30+15.4% over the period
Employees, 2023
95
Annual payroll, 2023
$6.5M
One-person businesses, 2023
41Businesses with no payroll
Map listings, September 2026
577 chain locations
Listings at the U.S. rate for this spending
59The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$190K

SBA-backed loans to businesses classed as mechanical, body and glass repair in Warren 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 Warren County

Population, 2025 estimate
57,331+9.0% since 2020
Households
20,679
Median age
39.0
Homes lived in by their owners
82%
Vehicles per household
2.1
Land area
570 sq. mi.
People per square mile
96
Median household income
$94,588+22.8% vs. 2015–2019, before inflation
Average household income
$111,331
Median home value
$269,600
Jobs located here
12,335
Daytime population
39,313Residents who don’t work, plus everyone whose job is here

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

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Auto 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 Warren County marked.

Top counties in Iowa

Counties in Iowa ranked for auto repair shops by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Dallas County, IA955312.5$964K+17.8%#5 of 2,378
2Tama County, IA781116.4$738K−1.5%#150 of 2,378
3Johnson County, IA7510015.8$647K+4.6%#211 of 2,378
4Buchanan County, IA721821.8$577K+1.3%#290 of 2,378
5Marion County, IA712821.0$603K+2.3%#309 of 2,378
6Polk County, IA7040419.7$549K+4.8%#347 of 2,378
7Buena Vista County, IA691519.9$597K−1.7%#372 of 2,378
8Grundy County, IA691325.4$499K+0.2%#389 of 2,378
9Bremer County, IA681919.6$626K+1.1%#412 of 2,378
10Story County, IA667820.0$537K+2.7%#495 of 2,378
16Warren County, IA615727.6$456K+9.0%#701 of 2,378

Other business types in Warren County

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

Questions

How many auto repair shops are in Warren County, IA?

As of September 2026, map listings count 57 auto repair shops in Warren County. 7 of them (12%) are chain locations. The listings count general, specialty, body and glass repair shops. Official counts show 30 businesses with payroll classed as mechanical, body and glass repair in 2023, up 15.4% from 2019. Official counts list 41 one-person businesses without payroll.

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

About $26M a year, or $1,258 per household. That is 31% above the U.S. average (an index of 131, where 100 is the U.S. average). Spread across the 57 auto repair shops on map listings, it comes to $456K 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 20,679 households in Warren County and national spending patterns by income.

How does Warren County, IA compare with the U.S. for auto repair shops?

Warren County has 27.6 auto repair shops per 10,000 households, 28% above the U.S. rate of 21.5. Spending per shop is $456K, 3% above the U.S. figure of $445K. At the U.S. ratio of auto repair shops to household spending, Warren County would have about 59, against 57 on map listings. There is one business with payroll in the industry for every 689 households, against one for every 955 across the U.S. The official count rose 15.4% from 2019 to 2023, against +2.1% for the U.S.

How fast is Warren County, IA growing?

Population estimates put Warren County at 57,331 people in 2025, up 9.0% since 2020, faster than the U.S. (+3.1%). It has 20,679 households. Median household income in Warren County is $94,588, 17% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 22.8%, 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. Warren County scores 61 for auto repair shops (upper middle), #701 of 2,378 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Warren 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 Warren 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.