Groundwork

Auto · County · Iowa

Auto repair shops in Polk County, IA

How Polk 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 70 out of 100: Upper middle

Ranked #347 of 2,378 scored counties
#6 of 72 scored counties in Iowa

Listings
404
101 chain locations (25%)
Official establishments
197
+1.6% since 2019
Household spending a year
$221.6M
On vehicle maintenance and repairs · $1,079 a household
Spending per listing
$549K
23% above the U.S.
Listings per 10k households
19.7
8% below the U.S.
Population, 2025
516,546
+4.8% since 2020

See the auto repair shops around any address in Polk 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 Polk 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

Map listings as of September 2026 show 404 auto repair shops in Polk County. 101 of them (25%) are chain locations, against 16% across the U.S. That is 19.7 per 10,000 households, 8% below the U.S. rate of 21.5.

At $1,079 per household (13% above the U.S. average), households in Polk County spend about $221.6M a year on vehicle maintenance and repairs. Spread across 404 auto repair shops, that is $549K per shop, 23% above the U.S. figure of $445K. That spending covers all vehicle maintenance and repairs, which auto repair shops share with other businesses in the trade.

In 2023, official counts showed 197 businesses with payroll in Polk County classed as mechanical, body and glass repair, up 1.6% from 2019. That is one for every 1,042 households, against one for every 955 across the U.S. Another 203 one-person businesses have no payroll, by official counts. Since fiscal 2022, 8 SBA-backed loans worth $1.9M have gone to businesses classed as mechanical, body and glass repair in Polk County.

Population estimates show Polk County grew 4.8% from 2020 to 2025, faster than the U.S. (+3.1%). For auto repair shops, Polk County has a Groundwork market score of 70 (upper middle): #347 of 2,378 scored counties and #6 of 72 scored counties in Iowa. That puts it in the top quarter of counties.

How Polk 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 Polk County, IA compared with Iowa and the U.S.
MeasurePolk CountyIowaU.S.
Listings per 10k households19.724.121.5
Spending per listing$549K$470K$445K
Households per official establishment1,042766955
Official establishment growth, 2019–2023+1.6%−1.3%+2.1%
Population growth, 2020–2025+4.8%+1.5%+3.1%
Spending per household on vehicle maintenance and repairs$1,079$1,134$958
Median household income$83,576$75,059$80,734
Groundwork market score7046

Official counts and lending

Businesses

Official establishments, 2019 to 2023
194 → 197+1.6% over the period
Employees, 2023
1,301
Annual payroll, 2023
$77.5M
One-person businesses, 2023
203Businesses with no payroll
Map listings, September 2026
404101 chain locations
Listings at the U.S. rate for this spending
499The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
8
Amount
$1.9M

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

Population, 2025 estimate
516,546+4.8% since 2020
Households
205,358
Median age
37.1
Homes lived in by their owners
67%
Vehicles per household
1.8
Land area
573 sq. mi.
People per square mile
879
Median household income
$83,576+23.6% vs. 2015–2019, before inflation
Average household income
$109,398
Median home value
$262,100
Jobs located here
309,340
Daytime population
566,731Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Polk 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 Polk 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 Polk 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

Other business types in Polk County

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

Questions

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

There are 404 auto repair shops on map listings in Polk County as of September 2026. 101 of them (25%) are chain locations. The listings count general, specialty, body and glass repair shops. Official counts show 197 businesses with payroll classed as mechanical, body and glass repair in 2023, up 1.6% from 2019. Official counts list 203 one-person businesses without payroll.

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

About $221.6M a year, or $1,079 per household. That is 13% above the U.S. average (an index of 113, where 100 is the U.S. average). Spread across the 404 auto repair shops on map listings, it comes to $549K per shop. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops. It is estimated from the incomes of the 205,358 households in Polk County and national spending patterns by income.

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

Polk County has 19.7 auto repair shops per 10,000 households, 8% below the U.S. rate of 21.5. Spending per shop is $549K, 23% above the U.S. figure of $445K. At the national ratio of auto repair shops to household spending, Polk County would have about 499, against 404 on map listings. There is one business with payroll in the industry for every 1,042 households, against one for every 955 across the U.S. The official count rose 1.6% from 2019 to 2023, against +2.1% for the U.S.

How fast is Polk County, IA growing?

Population estimates put Polk County at 516,546 people in 2025, up 4.8% since 2020, faster than the U.S. (+3.1%). It has 205,358 households. The median household income in Polk County is $83,576 a year, 4% above the U.S. median of $80,734. That rose 23.6% 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. Polk County scores 70 for auto repair shops (upper middle), #347 of 2,378 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Polk 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 Polk 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.