Auto · County · Wisconsin
Gas stations in Sauk County, WI
The gas stations in Sauk County, WI, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 39 out of 100: Lower middle
Ranked #1,628 of 2,358 scored counties
#46 of 65 scored counties in Wisconsin
- Listings
- 48
- 34 chain locations (71%)
- Official establishments
- 43
- −4.4% since 2019
- Household spending a year
- $80.6M
- On gasoline and other fuels · $2,881 a household
- Spending per listing
- $1.7M
- 30% below the U.S.
- Listings per 10k households
- 17.2
- 58% above the U.S.
- Population, 2025
- 66,652
- +1.3% since 2020
See the gas stations around any address in Sauk County
The site report maps the gas stations 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.
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
Map listings as of September 2026 show 48 gas stations in Sauk County. Of those, 34 are chain locations, or 71%, against 84% across the U.S. Per 10,000 households, that is 17.2, 58% above the U.S. rate of 10.9.
Household spending on gasoline and other fuels in Sauk County comes to about $80.6M a year: $2,881 per household, 11% above the U.S. average. Spread across 48 gas stations, that is $1.7M per station, 30% below the U.S. figure of $2.4M.
The official count of businesses with payroll classed as gasoline stations in Sauk County was 43 in 2023, down 4.4% from 2019. That is one for every 651 households, against one for every 1,184 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $734K has gone to businesses classed as gasoline stations in Sauk County.
Between 2020 and 2025, the population of Sauk County grew 1.3%, slower than the U.S. (+3.1%). Sauk County scores 39 (lower middle) on the Groundwork market score for gas stations, ranking #1,628 of 2,358 scored counties and #46 of 65 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 gasoline and other fuels by the gas stations 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 | Sauk County | Wisconsin | U.S. |
|---|---|---|---|
| Listings per 10k households | 17.2 | 11.3 | 10.9 |
| Spending per listing | $1.7M | $2.4M | $2.4M |
| Households per official establishment | 651 | 979 | 1,184 |
| Official establishment growth, 2019–2023 | −4.4% | −0.8% | −3.1% |
| Population growth, 2020–2025 | +1.3% | +1.3% | +3.1% |
| Spending per household on gasoline and other fuels | $2,881 | $2,672 | $2,595 |
| Median household income | $79,541 | $77,485 | $80,734 |
| Groundwork market score | 39 | 41 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 45 → 43−4.4% over the period
- Employees, 2023
- 812
- Annual payroll, 2023
- $23M
- One-person businesses, 2023
- 0Businesses with no payroll
- Map listings, September 2026
- 4834 chain locations
- Listings at the U.S. rate for this spending
- 34The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $734K
SBA-backed loans to businesses classed as gasoline stations 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 gas stations 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.
Free10 actions over 3 days, no cardGas stations across Wisconsin
Every Wisconsin market ranked →The highest-scoring counties in Wisconsin for gas stations, numbered among those based in Wisconsin, with Sauk County marked.
Top counties in Wisconsin
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Calumet County, WI | 78 | 12 | 5.6 | $5.3M | +2.9% | #183 of 2,358 |
| 2Ozaukee County, WI | 74 | 27 | 7.0 | $3.9M | +3.0% | #284 of 2,358 |
| 3Portage County, WI | 74 | 23 | 7.7 | $3.7M | +2.2% | #287 of 2,358 |
| 4Dane County, WI | 73 | 161 | 6.4 | $3.8M | +4.9% | #316 of 2,358 |
| 5Waukesha County, WI | 73 | 138 | 8.2 | $3.5M | +2.4% | #319 of 2,358 |
| 6Washington County, WI | 67 | 58 | 10.2 | $2.8M | +1.8% | #483 of 2,358 |
| 7St. Croix County, WI | 67 | 48 | 12.8 | $2.5M | +4.7% | #489 of 2,358 |
| 8La Crosse County, WI | 66 | 24 | 4.7 | $5.5M | +0.3% | #505 of 2,358 |
| 9Shawano County, WI | 65 | 19 | 11.0 | $2.7M | +1.7% | #556 of 2,358 |
| 10Eau Claire County, WI | 64 | 35 | 7.8 | $3.4M | +3.0% | #587 of 2,358 |
| 46Sauk County, WI | 39 | 48 | 17.2 | $1.7M | +1.3% | #1,628 of 2,358 |
Other business types in Sauk County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many gas stations are in Sauk County, WI?
There are 48 gas stations on map listings in Sauk County as of September 2026. 34 of them (71%) are chain locations. The listings count gas stations. Official counts show 43 businesses with payroll classed as gasoline stations in 2023, down 4.4% from 2019.
How much do households in Sauk County, WI spend on gasoline and other fuels?
About $80.6M a year, or $2,881 per household. That is 11% above the U.S. average (an index of 111, where 100 is the U.S. average). Spread across the 48 gas stations on map listings, it comes to $1.7M per station. 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 gas stations?
Sauk County has 17.2 gas stations per 10,000 households, 58% above the U.S. rate of 10.9. Spending per station is $1.7M, 30% below the U.S. figure of $2.4M. At the national ratio of gas stations to household spending, Sauk County would have about 34, against 48 on map listings. There is one business with payroll in the industry for every 651 households, against one for every 1,184 across the U.S. The official count fell 4.4% from 2019 to 2023, against −3.1% 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 39 for gas stations (lower middle), #1,628 of 2,358 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 gas stations 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 gas stations · 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.