Real estate · County · Wisconsin
Mortgage brokers and lenders in Sauk County, WI
How Sauk County, WI compares with other counties and the U.S. for mortgage brokers and lenders: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 48 out of 100: Lower middle
Ranked #470 of 887 scored counties
#16 of 23 scored counties in Wisconsin
- Listings
- 7
- 5 chain locations (71%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $394.3M
- On rent and homeowner costs · $14,089 a household
- Housing spending per listing (U.S. = 100)
- 144
- 44% above the U.S.
- Listings per 10k households
- 2.5
- 42% below the U.S.
- Population, 2025
- 66,652
- +1.3% since 2020
See the mortgage brokers and lenders around any address in Sauk County
The site report maps the mortgage brokers and lenders 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
As of September 2026, map listings count 7 mortgage brokers and lenders in Sauk County. Chain locations make up 71% of them, against 21% across the U.S. That comes to 2.5 for every 10,000 households, 42% below the U.S. rate of 4.3.
Households in Sauk County spend about $394.3M a year on rent and homeowner costs, or $14,089 per household, 15% below the U.S. average. Housing spending per office is 44% above the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money mortgage brokers and lenders take in.
There is no official count of businesses with payroll classed as mortgage brokers and real estate lenders in Sauk County: counts under 3 aren’t published.
Population estimates put the population change in Sauk County from 2020 to 2025 at +1.3%, slower than the U.S. (+3.1%). Sauk County scores 48 (lower middle) on the Groundwork market score for mortgage brokers and lenders, ranking #470 of 887 scored counties and #16 of 23 scored counties in Wisconsin.
How Sauk County compares
The same measures for Wisconsin and the whole U.S. Housing spending per listing divides all rent and homeowner costs by the listings counted: a measure of housing demand for each business, not money any of them take in, so it is shown against the U.S. (100) only. Households per establishment divides households by the official count.
| Measure | Sauk County | Wisconsin | U.S. |
|---|---|---|---|
| Listings per 10k households | 2.5 | 2.8 | 4.3 |
| Housing spending per listing (U.S. = 100) | 144 | 130 | 100 |
| Households per official establishment | n/a | 11,978 | 4,897 |
| Official establishment growth, 2019–2023 | n/a | −2.8% | +9.5% |
| Population growth, 2020–2025 | +1.3% | +1.3% | +3.1% |
| Spending per household on rent and homeowner costs | $14,089 | $14,211 | $16,661 |
| Median household income | $79,541 | $77,485 | $80,734 |
| Groundwork market score | 48 | 58 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- n/a
- Employees, 2023
- n/a
- Annual payroll, 2023
- n/a
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 75 chain locations
- Listings at the U.S. rate for this spending
- 10The 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 mortgage brokers and real estate lenders 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 mortgage brokers and lenders 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 cardMortgage brokers and lenders across Wisconsin
Every Wisconsin market ranked →The highest-scoring counties in Wisconsin for mortgage brokers and lenders, numbered among those based in Wisconsin, with Sauk County marked.
Top counties in Wisconsin
| Market | Score | Listings | Per 10k households | Housing spending per listing (U.S. = 100) | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Rock County, WI | 66 | 13 | 1.9 | 183 | +1.7% | #160 of 887 |
| 2St. Croix County, WI | 65 | 11 | 2.9 | 139 | +4.7% | #173 of 887 |
| 3Winnebago County, WI | 64 | 15 | 2.1 | 172 | +1.4% | #185 of 887 |
| 4Dane County, WI | 64 | 88 | 3.5 | 112 | +4.9% | #195 of 887 |
| 5Fond du Lac County, WI | 63 | 8 | 1.9 | 191 | +0.5% | #198 of 887 |
| 6Racine County, WI | 62 | 19 | 2.4 | 154 | +0.4% | #216 of 887 |
| 7Marathon County, WI | 61 | 11 | 1.9 | 190 | +1.0% | #229 of 887 |
| 8La Crosse County, WI | 60 | 10 | 1.9 | 184 | +0.3% | #243 of 887 |
| 9Ozaukee County, WI | 58 | 14 | 3.7 | 112 | +3.0% | #278 of 887 |
| 10Washington County, WI | 54 | 16 | 2.8 | 139 | +1.8% | #345 of 887 |
| 16Sauk County, WI | 48 | 7 | 2.5 | 144 | +1.3% | #470 of 887 |
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
- Real estate27
- Real estate agents and brokers25
- Property management53
- Mortgage brokers and lenders48
- Home inspectors
Funeral services
Questions
How many mortgage brokers and lenders are in Sauk County, WI?
Sauk County has 7 mortgage brokers and lenders on map listings as of September 2026. 5 of them (71%) are chain locations. The listings count mortgage brokers and mortgage lenders. No official count is published for mortgage brokers and real estate lenders in Sauk County: counts under 3 are left out.
How much do households in Sauk County, WI spend on rent and homeowner costs?
About $394.3M a year, or $14,089 per household. That is 15% below the U.S. average (an index of 85, where 100 is the U.S. average). For the 7 mortgage brokers and lenders on map listings, housing spending per office is 44% above the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money mortgage brokers and lenders take in. 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 mortgage brokers and lenders?
Sauk County has 2.5 mortgage brokers and lenders per 10,000 households, 42% below the U.S. rate of 4.3. The index of housing spending per office is 144, where 100 is the U.S. At the national ratio of mortgage brokers and lenders to household spending, Sauk County would have about 10, against 7 on map listings.
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 48 for mortgage brokers and lenders (lower middle), #470 of 887 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 mortgage brokers and lenders 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 mortgage brokers and lenders · 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.