Groundwork

Auto · County · Tennessee

Auto repair and car care businesses in Hamblen County, TN

How Hamblen County, TN 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 44 out of 100: Lower middle

Ranked #1,483 of 2,401 scored counties
#73 of 87 scored counties in Tennessee

Listings
110
28 chain locations (25%)
Official establishments
40
+5.3% since 2019
Household spending a year
$24.3M
On vehicle maintenance and repairs · $928 a household
Spending per listing
$221K
18% below the U.S.
Listings per 10k households
42.1
18% above the U.S.
Population, 2025
68,843
+6.7% since 2020

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

As of September 2026, map listings count 110 auto repair and car care businesses in Hamblen County. Chain locations make up 25% of them, against 24% across the U.S. That is 42.1 per 10,000 households, 18% above the U.S. rate of 35.7.

Households in Hamblen County spend about $24.3M a year on vehicle maintenance and repairs, or $928 per household, 3% below the U.S. average. That is about $221K of household spending for each business on map listings, 18% below the U.S. figure of $269K.

The official count of businesses with payroll classed as automotive repair and maintenance, and tire dealers in Hamblen County was 40 in 2023, up 5.3% from 2019. That is one for every 654 households, against one for every 681 across the U.S. Official counts also show 58 one-person businesses without payroll. Since fiscal 2022, 1 SBA-backed loan worth $300K has gone to businesses classed as automotive repair and maintenance, and tire dealers in Hamblen County.

Between 2020 and 2025, the population of Hamblen County grew 6.7%, faster than the U.S. (+3.1%). For auto repair and car care businesses, Hamblen County has a Groundwork market score of 44 (lower middle): #1,483 of 2,401 scored counties and #73 of 87 scored counties in Tennessee.

How Hamblen County compares

The same measures for Tennessee 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 Hamblen County, TN compared with Tennessee and the U.S.
MeasureHamblen CountyTennesseeU.S.
Listings per 10k households42.134.735.7
Spending per listing$221K$272K$269K
Households per official establishment654829681
Official establishment growth, 2019–2023+5.3%+6.9%+4.1%
Population growth, 2020–2025+6.7%+5.6%+3.1%
Spending per household on vehicle maintenance and repairs$928$944$958
Median household income$55,454$69,595$80,734
Groundwork market score4464

Official counts and lending

Businesses

Official establishments, 2019 to 2023
38 → 40+5.3% over the period
Employees, 2023
230
Annual payroll, 2023
$9.3M
One-person businesses, 2023
58Businesses with no payroll
Map listings, September 2026
11028 chain locations
Listings at the U.S. rate for this spending
90The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$300K

SBA-backed loans to businesses classed as automotive repair and maintenance, and tire dealers in Hamblen 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 Hamblen County

Population, 2025 estimate
68,843+6.7% since 2020
Households
26,146
Median age
40.3
Homes lived in by their owners
70%
Vehicles per household
2.0
Land area
161 sq. mi.
People per square mile
407
Median household income
$55,454+27.1% vs. 2015–2019, before inflation
Average household income
$75,590
Median home value
$210,900
Jobs located here
33,638
Daytime population
72,283Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Hamblen 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 Hamblen 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 Tennessee

Every Tennessee market ranked →

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

Top counties in Tennessee

Counties in Tennessee ranked for auto repair and car care businesses by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Williamson County, TN8822724.6$464K+9.0%#30 of 2,401
2Fayette County, TN855129.6$370K+7.7%#56 of 2,401
3Morgan County, TN841115.3$696K+5.3%#60 of 2,401
4Loudon County, TN847832.4$341K+15.6%#68 of 2,401
5Polk County, TN842533.7$332K+5.9%#70 of 2,401
6Jackson County, TN83612.5$802K+7.1%#72 of 2,401
7Bledsoe County, TN831122.6$466K+6.5%#77 of 2,401
8Grainger County, TN821919.7$516K+9.2%#90 of 2,401
9Union County, TN822632.8$333K+8.1%#97 of 2,401
10Cheatham County, TN805332.6$348K+4.1%#128 of 2,401
73Hamblen County, TN4411042.1$221K+6.7%#1,483 of 2,401

Other business types in Hamblen 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 Hamblen County, TN?

Hamblen County has 110 auto repair and car care businesses on map listings as of September 2026. 28 of them (25%) are chain locations. The listings count repair shops, body shops, tire shops, car washes, oil change and parts stores. Official counts show 40 businesses with payroll classed as automotive repair and maintenance, and tire dealers in 2023, up 5.3% from 2019. Another 58 one-person businesses have no payroll, by official counts.

How much do households in Hamblen County, TN spend on vehicle maintenance and repairs?

About $24.3M a year, or $928 per household. That is 3% below the U.S. average (an index of 97, where 100 is the U.S. average). Spread across the 110 auto repair and car care businesses on map listings, it comes to $221K per business. It is estimated from the incomes of the 26,146 households in Hamblen County and national spending patterns by income.

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

Hamblen County has 42.1 auto repair and car care businesses per 10,000 households, 18% above the U.S. rate of 35.7. Spending per business is $221K, 18% below the U.S. figure of $269K. At the national ratio of auto repair and car care businesses to household spending, Hamblen County would have about 90, against 110 on map listings. There is one business with payroll in the industry for every 654 households, against one for every 681 across the U.S. The official count rose 5.3% from 2019 to 2023, against +4.1% for the U.S.

How fast is Hamblen County, TN growing?

Population estimates put Hamblen County at 68,843 people in 2025, up 6.7% since 2020, faster than the U.S. (+3.1%). It has 26,146 households. Median household income in Hamblen County is $55,454, 31% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 27.1%, 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. Hamblen County scores 44 for auto repair and car care businesses (lower middle), #1,483 of 2,401 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Hamblen 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 Hamblen 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.