Groundwork

Auto · County · Tennessee

Auto repair shops in Johnson County, TN

Competitor counts, household spending and official business counts for auto repair shops in Johnson County, TN, set against other counties and the U.S.

Groundwork market score · out of 100

Score 70 out of 100: Upper middle

Ranked #354 of 2,378 scored counties
#29 of 86 scored counties in Tennessee

Listings
14
1 chain location (7%)
Official establishments
3
Businesses with payroll, 2023
Household spending a year
$7M
On vehicle maintenance and repairs · $962 a household
Spending per listing
$501K
13% above the U.S.
Listings per 10k households
19.2
11% below the U.S.
Population, 2025
18,718
+4.1% since 2020

See the auto repair shops around any address in Johnson 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 Johnson 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 14 auto repair shops in Johnson County. One of them (7%) is a chain location, against 16% across the U.S. Per 10,000 households, that is 19.2, 11% below the U.S. rate of 21.5.

Households in Johnson County spend about $7M a year on vehicle maintenance and repairs, or $962 per household, in line with the U.S. average. That is about $501K of household spending for each shop on map listings, 13% 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.

Official counts show 3 businesses with payroll classed as mechanical, body and glass repair in Johnson County in 2023. That is one for every 2,433 households, against one for every 955 across the U.S. Official counts also show 26 one-person businesses without payroll.

Population estimates put the population change in Johnson County from 2020 to 2025 at +4.1%, faster than the U.S. (+3.1%). For auto repair shops, Johnson County has a Groundwork market score of 70 (upper middle): #354 of 2,378 scored counties and #29 of 86 scored counties in Tennessee. That puts it in the top quarter of counties.

How Johnson 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 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 Johnson County, TN compared with Tennessee and the U.S.
MeasureJohnson CountyTennesseeU.S.
Listings per 10k households19.220.121.5
Spending per listing$501K$470K$445K
Households per official establishment2,4331,252955
Official establishment growth, 2019–2023n/a+4.2%+2.1%
Population growth, 2020–2025+4.1%+5.6%+3.1%
Spending per household on vehicle maintenance and repairs$962$944$958
Median household income$53,129$69,595$80,734
Groundwork market score7067

Official counts and lending

Businesses

Official establishments, 2019 to 2023
3 → 3
Employees, 2023
6
Annual payroll, 2023
$224K
One-person businesses, 2023
26Businesses with no payroll
Map listings, September 2026
141 chain location
Listings at the U.S. rate for this spending
16The 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 Johnson 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 Johnson County

Population, 2025 estimate
18,718+4.1% since 2020
Households
7,298
Median age
46.5
Homes lived in by their owners
77%
Vehicles per household
2.1
Land area
298 sq. mi.
People per square mile
61
Median household income
$53,129+47.6% vs. 2015–2019, before inflation
Average household income
$69,507
Median home value
$178,600
Jobs located here
4,363
Daytime population
16,151Residents who don’t work, plus everyone whose job is here

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

Free10 actions over 3 days, no card

Auto repair shops across Tennessee

Every Tennessee market ranked →

The highest-scoring counties in Tennessee for auto repair shops, numbered among those based in Tennessee, with Johnson County marked.

Top counties in Tennessee

Counties in Tennessee ranked for auto repair shops by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Union County, TN891012.6$865K+8.1%#28 of 2,378
2Williamson County, TN8912713.8$829K+9.0%#29 of 2,378
3Loudon County, TN854418.3$604K+15.6%#52 of 2,378
4Morgan County, TN8479.7$1.1M+5.3%#54 of 2,378
5Bledsoe County, TN84510.3$1M+6.5%#55 of 2,378
6Fayette County, TN833118.0$608K+7.7%#73 of 2,378
7Jefferson County, TN813315.1$669K+9.3%#102 of 2,378
8Cheatham County, TN802817.2$660K+4.1%#114 of 2,378
9Franklin County, TN802715.5$642K+6.4%#116 of 2,378
10Polk County, TN801418.9$592K+5.9%#120 of 2,378
29Johnson County, TN701419.2$501K+4.1%#354 of 2,378

Other business types in Johnson County

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

Questions

How many auto repair shops are in Johnson County, TN?

There are 14 auto repair shops on map listings in Johnson County as of September 2026. One of them (7%) is a chain location. The listings count general, specialty, body and glass repair shops. Official counts show 3 businesses with payroll classed as mechanical, body and glass repair in 2023. Another 26 one-person businesses have no payroll, by official counts.

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

About $7M a year, or $962 per household. That is in line with the U.S. average (an index of 100, where 100 is the U.S. average). Spread across the 14 auto repair shops on map listings, it comes to $501K per shop. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops. It is estimated from the incomes of the 7,298 households in Johnson County and national spending patterns by income.

How does Johnson County, TN compare with the U.S. for auto repair shops?

Johnson County has 19.2 auto repair shops per 10,000 households, 11% below the U.S. rate of 21.5. Spending per shop is $501K, 13% above the U.S. figure of $445K. At the national ratio of auto repair shops to household spending, Johnson County would have about 16, against 14 on map listings. There is one business with payroll in the industry for every 2,433 households, against one for every 955 across the U.S.

How fast is Johnson County, TN growing?

Population estimates put Johnson County at 18,718 people in 2025, up 4.1% since 2020, faster than the U.S. (+3.1%). It has 7,298 households. The median household income in Johnson County is $53,129 a year, 34% below the U.S. median of $80,734. That rose 47.6% 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. Johnson County scores 70 for auto repair shops (upper middle), #354 of 2,378 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Johnson 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 Johnson 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.