Groundwork

Auto · County · Iowa

Auto repair and car care businesses in Tama County, IA

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

Groundwork market score · out of 100

Score 74 out of 100: Upper middle

Ranked #254 of 2,401 scored counties
#4 of 72 scored counties in Iowa

Listings
24
7 chain locations (29%)
Official establishments
5
Businesses with payroll, 2023
Household spending a year
$8.1M
On vehicle maintenance and repairs · $1,208 a household
Spending per listing
$338K
26% above the U.S.
Listings per 10k households
35.7
In line with the U.S.
Population, 2025
16,796
−1.5% since 2020

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

Households in Tama County spend about $8.1M a year on vehicle maintenance and repairs, or $1,208 per household, 26% above the U.S. average. That is about $338K of household spending for each business on map listings, 26% above the U.S. figure of $269K.

Tama County has 24 auto repair and car care businesses on map listings as of September 2026. Chain locations make up 29% of them, against 24% across the U.S. That comes to 35.7 for every 10,000 households, in line with the U.S. rate of 35.7.

In 2023, official counts showed 5 businesses with payroll in Tama County classed as automotive repair and maintenance, and tire dealers. That is one for every 1,344 households, against one for every 681 across the U.S. Another 24 one-person businesses have no payroll, by official counts.

Population estimates show Tama County declined 1.5% from 2020 to 2025, against +3.1% for the U.S. The Groundwork market score for auto repair and car care businesses in Tama County is 74 (upper middle), #254 of 2,401 scored counties and #4 of 72 scored counties in Iowa. That puts it in the top quarter of counties.

How Tama 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 Tama County, IA compared with Iowa and the U.S.
MeasureTama CountyIowaU.S.
Listings per 10k households35.741.835.7
Spending per listing$338K$271K$269K
Households per official establishment1,344558681
Official establishment growth, 2019–2023n/a+0.9%+4.1%
Population growth, 2020–2025−1.5%+1.5%+3.1%
Spending per household on vehicle maintenance and repairs$1,208$1,134$958
Median household income$70,781$75,059$80,734
Groundwork market score7442

Official counts and lending

Businesses

Official establishments, 2019 to 2023
8 → 5
Employees, 2023
19
Annual payroll, 2023
$593K
One-person businesses, 2023
24Businesses with no payroll
Map listings, September 2026
247 chain locations
Listings at the U.S. rate for this spending
30The 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 Tama 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 Tama County

Population, 2025 estimate
16,796−1.5% since 2020
Households
6,720
Median age
42.0
Homes lived in by their owners
76%
Vehicles per household
2.2
Land area
721 sq. mi.
People per square mile
23
Median household income
$70,781+26.3% vs. 2015–2019, before inflation
Average household income
$83,931
Median home value
$148,600
Jobs located here
4,985
Daytime population
13,338Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Tama 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 Tama 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 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 Tama 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

Other business types in Tama 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 Tama County, IA?

Map listings as of September 2026 show 24 auto repair and car care businesses in Tama County. 7 of them (29%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 5 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023. Official counts list 24 one-person businesses without payroll.

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

About $8.1M a year, or $1,208 per household. That is 26% above the U.S. average (an index of 126, where 100 is the U.S. average). Spread across the 24 auto repair and car care businesses on map listings, it comes to $338K per business. It is estimated from the incomes of the 6,720 households in Tama County and national spending patterns by income.

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

Tama County has 35.7 auto repair and car care businesses per 10,000 households, in line with the U.S. rate of 35.7. Spending per business is $338K, 26% above the U.S. figure of $269K. At the U.S. ratio of auto repair and car care businesses to household spending, Tama County would have about 30, against 24 on map listings. There is one business with payroll in the industry for every 1,344 households, against one for every 681 across the U.S.

How fast is Tama County, IA growing?

Population estimates put Tama County at 16,796 people in 2025, down 1.5% since 2020, against +3.1% for the U.S. It has 6,720 households. The median household income in Tama County is $70,781 a year, 12% below the U.S. median of $80,734. That rose 26.3% 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. Tama County scores 74 for auto repair and car care businesses (upper middle), #254 of 2,401 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Tama 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 Tama 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.