Auto · County · Wisconsin
Oil change and quick-lube shops in Rock County, WI
How Rock County, WI compares with other counties and the U.S. for oil change and quick-lube shops: competitors, household spending, official counts and growth.
Groundwork market score
Not scored
The score needs at least 5 listings; this market has 3.
- Listings
- 3
- 2 chain locations (67%)
- Official establishments
- 4
- Businesses with payroll, 2023
- Household spending a year
- $72.7M
- On vehicle maintenance and repairs · $1,083 a household
- Spending per listing
- $24.2M
- 77% above the U.S.
- Listings per 10k households
- 0.4
- 43% below the U.S.
- Population, 2025
- 166,472
- +1.7% since 2020
See the oil change and quick-lube shops around any address in Rock County
The site report maps the oil change and quick-lube 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 Rock County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
Households in Rock County spend about $72.7M a year on vehicle maintenance and repairs, or $1,083 per household, 13% above the U.S. average. That works out to $24.2M per shop, 77% above the U.S. figure of $13.7M. The spending figure covers all vehicle maintenance and repairs, not only oil change and quick-lube shops.
There are 3 oil change and quick-lube shops on map listings in Rock County as of September 2026. That comes to 0.4 for every 10,000 households, 43% below the U.S. rate of 0.7.
Official counts show 4 businesses with payroll classed as oil change and lubrication shops in Rock County in 2023. That is one for every 16,800 households, against one for every 14,222 across the U.S.
Population estimates put the population change in Rock County from 2020 to 2025 at +1.7%, slower than the U.S. (+3.1%). With 3 oil change and quick-lube shops on map listings, Rock County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.
How Rock 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 oil change and quick-lube 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.
| Measure | Rock County | Wisconsin | U.S. |
|---|---|---|---|
| Listings per 10k households | 0.4 | 0.8 | 0.7 |
| Spending per listing | $24.2M | $13M | $13.7M |
| Households per official establishment | 16,800 | 13,189 | 14,222 |
| Official establishment growth, 2019–2023 | n/a | +23.7% | +12.1% |
| Population growth, 2020–2025 | +1.7% | +1.3% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,083 | $1,061 | $958 |
| Median household income | $75,673 | $77,485 | $80,734 |
| Groundwork market score | Not scored | 44 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 3 → 4
- Employees, 2023
- 26
- Annual payroll, 2023
- $705K
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 32 chain locations
- Listings at the U.S. rate for this spending
- 5The 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 oil change and lubrication shops in Rock 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 Rock County
- Population, 2025 estimate
- 166,472+1.7% since 2020
- Households
- 67,201
- Median age
- 40.7
- Homes lived in by their owners
- 71%
- Vehicles per household
- 1.9
- Land area
- 718 sq. mi.
- People per square mile
- 229
- Median household income
- $75,673+30.8% vs. 2015–2019, before inflation
- Average household income
- $91,984
- Median home value
- $231,600
- Jobs located here
- 69,632
- Daytime population
- 154,793Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Rock 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 oil change and quick-lube shops on map listings by name and distance.
Or open the report at the center of Rock County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardOil change and quick lube across Wisconsin
Every Wisconsin market ranked →The highest-scoring counties in Wisconsin for oil change and quick-lube shops, numbered among those based in Wisconsin, with Rock County marked.
Top counties in Wisconsin
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Racine County, WI | 64 | 5 | 0.6 | $17.1M | +0.4% | #121 of 479 |
| 2Winnebago County, WI | 61 | 5 | 0.7 | $15.1M | +1.4% | #148 of 479 |
| 3Kenosha County, WI | 59 | 5 | 0.7 | $15.1M | −0.4% | #162 of 479 |
| 4Dane County, WI | 59 | 20 | 0.8 | $12.4M | +4.9% | #167 of 479 |
| 5Washington County, WI | 52 | 9 | 1.6 | $7.3M | +1.8% | #244 of 479 |
| 6Marathon County, WI | 49 | 6 | 1.0 | $10.9M | +1.0% | #261 of 479 |
| 7Outagamie County, WI | 44 | 9 | 1.1 | $9.8M | +2.6% | #310 of 479 |
| 8Fond du Lac County, WI | 43 | 5 | 1.2 | $9.4M | +0.5% | #318 of 479 |
| 9Milwaukee County, WI | 40 | 28 | 0.7 | $11.6M | −1.5% | #335 of 479 |
| 10Jefferson County, WI | 39 | 5 | 1.4 | $7.9M | +0.3% | #346 of 479 |
| Rock County, WI | Not scored | 3 | 0.4 | $24.2M | +1.7% |
Other business types in Rock County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
- Auto repair and car care59
- Auto repair shops54
- Collision repair and body shops52
- Car washes and detailing75
- Tire shops79
- Oil change and quick lube
- Gas stations56
- Insurance agencies42
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many oil change and quick-lube shops are in Rock County, WI?
As of September 2026, map listings count 3 oil change and quick-lube shops in Rock County. The listings count oil change and quick-lube shops. Official counts show 4 businesses with payroll classed as oil change and lubrication shops in 2023.
How much do households in Rock County, WI spend on vehicle maintenance and repairs?
About $72.7M a year, or $1,083 per household. That is 13% above the U.S. average (an index of 113, where 100 is the U.S. average). Spread across the 3 oil change and quick-lube shops on map listings, it comes to $24.2M per shop. That spending covers all vehicle maintenance and repairs, which oil change and quick-lube shops share with other businesses in the trade. It is estimated from the incomes of the 67,201 households in Rock County and national spending patterns by income.
How does Rock County, WI compare with the U.S. for oil change and quick-lube shops?
Rock County has 0.4 oil change and quick-lube shops per 10,000 households, 43% below the U.S. rate of 0.7. Spending per shop is $24.2M, 77% above the U.S. figure of $13.7M. At the U.S. ratio of oil change and quick-lube shops to household spending, Rock County would have about 5, against 3 on map listings. There is one business with payroll in the industry for every 16,800 households, against one for every 14,222 across the U.S.
How fast is Rock County, WI growing?
Population estimates put Rock County at 166,472 people in 2025, up 1.7% since 2020, slower than the U.S. (+3.1%). It has 67,201 households. Median household income in Rock County is $75,673, 6% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 30.8%, 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. Rock County has no market score for oil change and quick-lube shops: the score needs at least 5 on map listings, and it has 3.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Rock County. It maps the oil change and quick-lube 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 oil change and quick-lube shops · All 56 business types in Rock County
Screening a site or an acquisition in Rock 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 Rock 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.