Sauk County, Wisconsin: commercial real estate data.
Sauk County, Wisconsin has a population of 66,009 across 831 square miles, up 1.1 percent since the 2020 census base. County output reached $5.58 bn in 2024, 1,876 establishments operate here, and the SBA record carries 31 7(a) approvals worth $17.2 m.
121 sourced county values · tier FULL · 11 sections
Sauk County
How many people live in Sauk County
- Population66,009
- Households27,987
- Average household size2.36
- Median household income$79,541
- Median age41.6
- Median gross rent$1,018 per month
- Median owner-occupied home value$258,600
- Home value to household income3.3 times
- Annual rent as a share of median income15.4 percent
- Adults 25 and over with a bachelor degree or higher27.4 percent
- Adults 25 and over with a graduate degree8.2 percent
- Adults 25 and over46,519
- Population under 1814,752
- Share under 1822.3 percent
- Population 65 and over13,140
- Share 65 and over19.9 percent
- Working age population, 18 to 6438,117
- Civilian labor force35,357
- Unemployment rate2.3 percent
- Labor force participation, adults 18 and over69.0 percent
- Rank by population among Wisconsin counties25th of 72
- Rank by population among US county-equivalents830th
Sauk County is the 25th largest of 72 Wisconsin counties by population. A median home costs 3.3 times median household income, which is an affordable ownership market by national standards. Residents under 18 outnumber those 65 and over, at 22.3 percent against 19.9 percent, a household formation profile rather than a retirement one.
US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Sauk County
Is Sauk County growing
- Population change since the 2020 census base1.09 percent
- Census 2020 base population65,772
- Births, 2024729
- Deaths, 2024743
- Natural change, 2024-14
- Net domestic migration, 202458
- Net international migration, 2024299
- Total net migration, 2024357
- Cumulative net domestic migration, 2021 to 202432
- Rank by growth among US county-equivalents1450th
The county has grown 1.09 percent since the 2020 census base. Deaths exceeded births in 2024, so all of the growth came from people moving in. A market held up by migration alone is more sensitive to a change in relative cost than one growing from household formation.
US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
Sauk County
Where people moving to Sauk County come from
- Tax returns filed by households arriving1,812
- People arriving, from those returns3,022
- Adjusted gross income arriving$140.9 m
- Net adjusted gross income movement$0
- Average income of an arriving household$77,760
- Largest single originSauk County Non-migrants (27,419 households)
- Largest single destination (27,419 households)
| Origin | Households | People | Adjusted gross income |
|---|---|---|---|
| Sauk County Non-migrants | 27,419 | 53,929 | $2.06 bn |
| Other flows - Different State | 451 | 792 | $31.2 m |
| Dane County | 447 | 682 | $31.1 m |
| Other flows - Same State | 257 | 423 | $17.4 m |
| Columbia County | 209 | 357 | $8.6 m |
| Other flows - Midwest | 193 | 360 | $14.8 m |
| Other flows - South | 134 | 216 | $8.3 m |
| Other flows - West | 100 | 177 | $6.4 m |
The largest single source of arrivals is Sauk County Non-migrants, which is the catchment a retail or multifamily study should look at first.
US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Sauk County
What the Sauk County economy runs on
- County GDP, 2024$5.58 bn
- County GDP, 2023$5.37 bn
- GDP change, 2023 to 20243.8 percent
- GDP change over five years39.2 percent
- Rank by GDP among Wisconsin counties20th
- Rank by GDP among US county-equivalents671st
- GDP per resident$84,492
Output grew 3.8 percent in the latest year and 39.2 percent over five, which is the trend line a lender will read behind any single year figure.
US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024.
Sauk County
Who employs people in Sauk County
- Covered employment, annual average36,498
- Establishments reporting2,219
- Average annual pay$50,177
- Average weekly wage$965
- Sector 72, employment7,525
- Sector 72, average annual pay$28,241
- Sector 31-33, employment5,361
- Sector 31-33, average annual pay$61,437
- Sector 44-45, employment5,015
- Sector 44-45, average annual pay$31,426
- Sector 62, employment4,061
- Sector 62, average annual pay$67,311
- Sector 23, employment2,024
- Sector 54, employment1,267
| Sector | Employment | Establishments | Average annual pay |
|---|---|---|---|
| Sector 72 | 7,525 | 274 | $28,241 |
| Sector 31-33 | 5,361 | 103 | $61,437 |
| Sector 44-45 | 5,015 | 280 | $31,426 |
| Sector 62 | 4,061 | 307 | $67,311 |
| Sector 23 | 2,024 | 234 | $74,774 |
| Sector 54 | 1,267 | 138 | $69,534 |
| Sector 42 | 1,131 | 70 | $62,076 |
| Sector 71 | 969 | 58 | $29,103 |
The largest sector is the biggest private employer group at 7,525 jobs, 20.6 percent of covered employment. Average pay per job sits below median household income, so households here typically need more than one earner.
US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
Sauk County
What businesses operate in Sauk County
- Establishments, all industries1,876
- Employment at those establishments31,025
- Annual payroll$1.56 bn
- Establishments per 1,000 residents28.4
These are counts of establishments physically operating in the county, not listings, so they are the supply side a feasibility study measures demand against.
US Census Bureau, County Business Patterns, 2023.
Sauk County
What is being built in Sauk County
- Housing units authorised by permit, 2024539
- Declared construction value permitted$126.3 m
- Single family units authorised195
- Multifamily units authorised344
- Multifamily share of units63.8 percent
- Average declared value per unit$234,364
- Units authorised per 1,000 households19.3
Multifamily is 63.8 percent of units authorised, so the pipeline is being built for renters rather than buyers.
US Census Bureau, Building Permits Survey, 2024 annual.
Sauk County
How much SBA lending happens in Sauk County
- 7(a) approvals recorded31
- 7(a) gross approval dollars$17.2 m
- Average 7(a) approval$555,135
- Median 7(a) approval$272,800
- 10th percentile approval$46,000
- 90th percentile approval$1,000,000
- Largest single approval$5,000,000
- Jobs reported supported, 7(a)387
- Jobs per approval12.5
- Distinct 7(a) lenders active19
- Distinct industries receiving approvals28
- Median 7(a) term120 months
- Share of loans on real estate terms, 240 months or longer29.0 percent
- Loans on real estate terms9
- Loans on working capital terms, 120 months or shorter21
- Franchise loans1
- Franchise share of approvals3.2 percent
- Leading industry by approval countResidential Remodelers (2)
- Most active lenderBank of Wisconsin Dells (4)
- 504 approvals recorded59
- 504 gross approval dollars$48.3 m
- Average 504 approval$819,017
- Median 504 approval$561,000
- Distinct CDCs active1
- 504 jobs per approval10.6
- 504 jobs per million dollars approved13.0
- Most active CDCWBD, Inc. (59)
- 7(a) share of SBA approvals34.4 percent
- Combined SBA approval dollars$65.5 m
The average approval of $555,135 sits well above the median of $272,800, so a small number of large deals is pulling the mean up. The median is the better guide to what a typical borrower here actually gets. Only 29.0 percent of approvals run on real estate terms, so SBA credit here is mostly working capital and equipment rather than property acquisition.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30. US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Sauk County
Do SBA loans in Sauk County get paid back
- Loans with a final outcome recorded6
- Paid in full6
- Charged off0
- Status: Exempt from disclosure20
- Status: Cancelled3
- Status: Paid in full6
- Status: Committed, not yet disbursed2
Too few loans have reached a final outcome to publish a charge off rate. only 6 resolved loans, too few to publish a rate. A rate computed on a handful of loans is noise, so none is shown.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Sauk County
Which parts of Sauk County get the lending
- Places in the county with recorded lending8
- Baraboo, approvals9
- PRAIRIE DU SAC, approvals5
- Wisconsin Dells, approvals5
- Reedsburg, approvals4
- SAUK CITY, approvals4
- SPRING GREEN, approvals2
| Place | Approvals | Gross approval dollars |
|---|---|---|
| Baraboo | 9 | $2,217,400 |
| PRAIRIE DU SAC | 5 | $7,613,900 |
| Wisconsin Dells | 5 | $1,579,500 |
| Reedsburg | 4 | $1,470,100 |
| SAUK CITY | 4 | $3,231,000 |
| SPRING GREEN | 2 | $313,600 |
| NORTH FREEDOM | 1 | $50,000 |
| PLAIN | 1 | $733,700 |
Baraboo accounts for 9 approvals against 5 in PRAIRIE DU SAC. County level figures average over that gap, which is why a site decision is made at the submarket rather than the county.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Sauk County
How big is Sauk County
- Land area831 sq mi
- Rank by land area among Wisconsin counties27th of 72
- Width, east to west35.8 mi
- Height, north to south32.9 mi
- Geographies sharing a boundary6
- Residents per square mile of land79
- Establishments per square mile2.26
US Census Bureau county boundary geometry, TIGER, adjacency computed from shared boundary vertices, TIGER county boundaries. US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year. US Census Bureau, County Business Patterns, 2023.
Coverage
What this page does not hold.
Every item below could be filled with a plausible figure. None of them is. On a page a lender may read, a number that cannot be traced is worse than an absence, so the absences are named.
- No NFIP communities are listed for this county in the FEMA Community Status Book.
- Flood zone record counts are not held. The flood coverage export has not landed, so no count is shown rather than an estimated one.
- Traffic counts resolve in the platform, not in this dataset, so no AADT figure is printed here.
- Zoning is in build. Parcel level zoning is not published on this page.
Feasibility studies
When a Sauk County site needs a document a lender will accept.
The same data layer behind this page is the one the studies are written from. A study for a Sauk County site starts with the figures you are reading, carrying the same source and period into the credit file.
- Population66,009
- Households27,987
- Average household size2.36
- Median household income$79,541
- Median age41.6
Common questions
Sauk County questions, answered from the record.
How many people live in Sauk County, Wisconsin?
66,009, in 27,987 households, ranking 25th of 72 Wisconsin counties. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
Is Sauk County growing?
The population has grown 1.09 percent since the 2020 census base. In 2024 there were 729 births against 743 deaths, with net migration of 357. Source: US Census Bureau, Population Estimates Program, Vintage 2024, Vintage 2024, estimates 2020 to 2024.
What is the median household income in Sauk County?
$79,541. The median owner-occupied home is valued at $258,600, which is 3.3 times income, and median gross rent is $1,018 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.
How many businesses are there in Sauk County?
1,876 establishments, employing 31,025 people with an annual payroll of $1.56 bn. These are establishments physically operating in the county, not listings. Source: US Census Bureau, County Business Patterns, 2023.
What is the average wage in Sauk County?
Average annual pay is $50,177, or $965 a week, across 36,498 covered jobs. Source: US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.
How much SBA lending happens in Sauk County?
31 7(a) approvals totalling $17.2 m since FY2020, across 19 lenders, with a median approval of $272,800, plus 59 504 approvals worth $48.3 m. These are approvals recorded in the release, not loans disbursed.
What is being built in Sauk County?
539 housing units were authorised by permit in 2024, with a declared construction value of $126.3 m. Multifamily was 63.8 percent of units. Source: US Census Bureau, Building Permits Survey, 2024 annual.
What is the radon zone for Sauk County?
Zone 2, a predicted average indoor radon screening level from 2 to 4 pCi/L. Source: US EPA, Map of Radon Zones, county spreadsheet, 2024-05 publication, EPA 402/A-16/001.
Where do people moving to Sauk County come from?
The largest single origin is Sauk County Non-migrants, with 27,419 households. Arriving households report an average income of $77,760 against null for those leaving. Source: US Internal Revenue Service, Statistics of Income county migration flows, 2021 to 2022 filing years.
Are traffic counts available for Sauk County on this page?
No. Annual average daily traffic resolves in the platform rather than in this dataset, so no AADT figure is printed here. It is a gap we know about rather than a figure we estimated.
Is zoning published for Sauk County?
Not yet. The zoning layer is in build. Nothing on this page presents parcel level zoning, and where a statutory framework applies it is marked as the statewide frame with confirm locally attached.