Groundwork

Auto · County · Wisconsin

Auto repair shops in Sauk County, WI

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

Groundwork market score · out of 100

Score 54 out of 100: Upper middle

Ranked #1,004 of 2,378 scored counties
#34 of 67 scored counties in Wisconsin

Listings
65
8 chain locations (12%)
Official establishments
37
0.0% since 2019
Household spending a year
$31.7M
On vehicle maintenance and repairs · $1,134 a household
Spending per listing
$488K
10% above the U.S.
Listings per 10k households
23.2
8% above the U.S.
Population, 2025
66,652
+1.3% since 2020

See the auto repair shops around any address in Sauk 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 Sauk 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 65 auto repair shops in Sauk County. 8 of them (12%) are chain locations, against 16% across the U.S. That comes to 23.2 for every 10,000 households, 8% above the U.S. rate of 21.5.

Household spending on vehicle maintenance and repairs in Sauk County comes to about $31.7M a year: $1,134 per household, 18% above the U.S. average. That works out to $488K per shop, 10% 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.

The official count of businesses with payroll classed as mechanical, body and glass repair in Sauk County was 37 in 2023, unchanged from 2019. That is one for every 756 households, against one for every 955 across the U.S. Official counts also show 65 one-person businesses without payroll. Since fiscal 2022, 1 SBA-backed loan worth $353K has gone to businesses classed as mechanical, body and glass repair in Sauk County.

Population estimates show Sauk County grew 1.3% from 2020 to 2025, slower than the U.S. (+3.1%). The Groundwork market score for auto repair shops in Sauk County is 54 (upper middle), #1,004 of 2,378 scored counties and #34 of 67 scored counties in Wisconsin.

How Sauk County compares

The same measures for Wisconsin 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 Sauk County, WI compared with Wisconsin and the U.S.
MeasureSauk CountyWisconsinU.S.
Listings per 10k households23.220.721.5
Spending per listing$488K$511K$445K
Households per official establishment756890955
Official establishment growth, 2019–20230.0%−1.4%+2.1%
Population growth, 2020–2025+1.3%+1.3%+3.1%
Spending per household on vehicle maintenance and repairs$1,134$1,061$958
Median household income$79,541$77,485$80,734
Groundwork market score5458

Official counts and lending

Businesses

Official establishments, 2019 to 2023
37 → 370.0% over the period
Employees, 2023
156
Annual payroll, 2023
$8.9M
One-person businesses, 2023
65Businesses with no payroll
Map listings, September 2026
658 chain locations
Listings at the U.S. rate for this spending
71The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$353K

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

Population, 2025 estimate
66,652+1.3% since 2020
Households
27,987
Median age
42.3
Homes lived in by their owners
72%
Vehicles per household
2.0
Land area
832 sq. mi.
People per square mile
79
Median household income
$79,541+32.7% vs. 2015–2019, before inflation
Average household income
$98,005
Median home value
$258,600
Jobs located here
36,015
Daytime population
65,185Residents who don’t work, plus everyone whose job is here

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

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Auto repair shops across Wisconsin

Every Wisconsin market ranked →

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

Top counties in Wisconsin

Counties in Wisconsin ranked for auto repair shops by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Bayfield County, WI8868.1$1.5M+3.4%#32 of 2,378
2Adams County, WI831212.6$881K+5.2%#68 of 2,378
3Pierce County, WI822717.0$764K+3.1%#77 of 2,378
4Calumet County, WI772913.6$876K+2.9%#163 of 2,378
5Oconto County, WI773017.8$706K+2.9%#167 of 2,378
6Dane County, WI7541216.4$601K+4.9%#214 of 2,378
7Walworth County, WI697918.3$648K+0.8%#365 of 2,378
8Shawano County, WI693822.0$517K+1.7%#384 of 2,378
9Iowa County, WI681716.8$703K+1.0%#405 of 2,378
10Monroe County, WI683720.2$545K+0.6%#426 of 2,378
34Sauk County, WI546523.2$488K+1.3%#1,004 of 2,378

Other business types in Sauk County

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

Questions

How many auto repair shops are in Sauk County, WI?

Sauk County has 65 auto repair shops on map listings as of September 2026. 8 of them (12%) are chain locations. The listings count general, specialty, body and glass repair shops. Official counts show 37 businesses with payroll classed as mechanical, body and glass repair in 2023, unchanged from 2019. Another 65 one-person businesses have no payroll, by official counts.

How much do households in Sauk County, WI spend on vehicle maintenance and repairs?

About $31.7M a year, or $1,134 per household. That is 18% above the U.S. average (an index of 118, where 100 is the U.S. average). Spread across the 65 auto repair shops on map listings, it comes to $488K per shop. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops. It is estimated from the incomes of the 27,987 households in Sauk County and national spending patterns by income.

How does Sauk County, WI compare with the U.S. for auto repair shops?

Sauk County has 23.2 auto repair shops per 10,000 households, 8% above the U.S. rate of 21.5. Spending per shop is $488K, 10% above the U.S. figure of $445K. At the national ratio of auto repair shops to household spending, Sauk County would have about 71, against 65 on map listings. There is one business with payroll in the industry for every 756 households, against one for every 955 across the U.S. The official count held level from 2019 to 2023, against +2.1% for the U.S.

How fast is Sauk County, WI growing?

Population estimates put Sauk County at 66,652 people in 2025, up 1.3% since 2020, slower than the U.S. (+3.1%). It has 27,987 households. The median household income in Sauk County is $79,541 a year, in line with the U.S. median of $80,734. That rose 32.7% 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. Sauk County scores 54 for auto repair shops (upper middle), #1,004 of 2,378 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Sauk 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 Sauk 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.