HomeWisconsinSauk CountyPrairie du Sac
Prairie du Sac, Wisconsin: commercial real estate data.
Prairie du Sac is a Census village of 4,382 people across 1.99 square miles of land, in Sauk County. Median household income is $101,049, 69.3 percent of occupied homes are owned, and the SBA record carries 5 7(a) approvals to borrowers here worth $7.6 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Prairie du Sac
What Prairie du Sac is
- Census place typevillage
- Land area1.99 sq mi
- Water area0.12 sq mi
- Population per square mile of land2,199
- County holding the largest share of its areaSauk County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Prairie du Sac
How many people live in Prairie du Sac
- Population4,382
- Median age38.4
- Population under 181,012
- Share under 1823.1 percent
- Population 65 and over745
- Share 65 and over17.0 percent
- Households1,861
- Family households1,215
- Share of households that are families65.3 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Prairie du Sac
Income and work in Prairie du Sac
- Median household income$101,049
- Per capita income$46,887
- Civilian labor force2,590
- Employed2,573
- Unemployed17 plus or minus 21
- Unemployment rate0.7 percent plus or minus 0.8
- Adults 25 and over3,104
- Adults 25 and over with a high school diploma or higher95.2 percent
- Adults 25 and over with a bachelor degree or higher44.9 percent
- Adults 25 and over with a graduate degree10.6 percent plus or minus 3.6
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Prairie du Sac
Housing in Prairie du Sac
- Housing units1,921
- Occupied units1,861
- Vacant units60 plus or minus 55
- Vacancy rate3.1 percent plus or minus 2.9
- Owner occupied1,289
- Renter occupied572 plus or minus 147
- Ownership rate69.3 percent
- Median owner-occupied home value$321,300
- Median gross rent, monthly$1,370
- Annual rent as a share of median income16.3 percent
- Single family units1,418
- Share single family73.8 percent
- Units in buildings of two or more503 plus or minus 145
- Share in buildings of two or more26.2 percent plus or minus 7.4
- Mobile homes0
- Median year structure built1990
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Prairie du Sac
How Prairie du Sac gets to work
- Workers 16 and over who commute2,077
- Commuting under 15 minutes803 plus or minus 190
- Share commuting under 15 minutes38.7 percent plus or minus 8.4
- Commuting 30 minutes or more966 plus or minus 203
- Share commuting 30 minutes or more46.5 percent
- Drove alone76.9 percent
- Carpooled4.8 percent plus or minus 3.5
- Public transport0.0 percent
- Walked0.5 percent plus or minus 0.9
- Worked from home15.5 percent plus or minus 3.7
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Prairie du Sac
SBA loans in Prairie du Sac (7(a))
- Approvals5
- Gross approval$7,613,900
- Average approval$1,522,780
- Median approval$318,700
- Largest approval$5,000,000
- Jobs supported51
- Jobs per approval10.2
- Loans with a final outcome1
- Paid in full1
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more40.0 percent
- Share to franchises0.0 percent
- Distinct lenders4
- Distinct industries by NAICS4
Counted by borrower city: approvals to borrowers whose address is in Prairie du Sac, in any county, FY2020 to FY2026. Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Prairie du Sac
SBA loans in Prairie du Sac (504)
- Approvals5
- Gross approval$1,813,000
- Average approval$362,600
- Median approval$241,000
- Largest approval$665,000
- Jobs supported17
- Loans with a final outcome1
- Charged off0
- Median term240 months
- Distinct CDCs1
Counted by borrower city: approvals to borrowers whose address is in Prairie du Sac, in any county, FY2010 to FY2026. Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Prairie du Sac
Flood risk in Prairie du Sac
- NFIP communityVillage of Prairie Du Sac
- NFIP community number550401
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date10/02/15
The Village of Prairie Du Sac participates in the National Flood Insurance Program as community 550401 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Sauk County, not Prairie du Sac
Sauk County context, not Prairie du Sac figures
- Establishments in Sauk County1,876
- Covered employment, Sauk County36,498
- Average annual pay, Sauk County$50,177
- Housing units permitted, Sauk County539
Every figure in this section is published for Sauk County as a whole and is not a measurement of Prairie du Sac.
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Prairie du Sac questions, answered from the record.
How many people live in Prairie du Sac, Wisconsin?
4,382, in 1,861 households. Prairie du Sac village covers 1.99 square miles of land, which is 2,199 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Prairie du Sac in?
Sauk County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Prairie du Sac?
$101,049. The median owner-occupied home is valued at $321,300. Median gross rent is $1,370 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Prairie du Sac businesses?
5 7(a) approvals totaling $7.6 m since FY2020, across 4 lenders, median approval $318,700, plus 5 504 approvals worth $1.8 m since FY2010. These count approvals to borrowers whose address is in Prairie du Sac, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Prairie du Sac borrowers get paid back?
No rate is published for Prairie du Sac. Only 1 loan has reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Prairie du Sac in the National Flood Insurance Program?
Yes. Prairie du Sac appears in the FEMA Community Status Book as Prairie Du Sac, village of, community 550401, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Prairie du Sac figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Sauk County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Prairie du Sac.
Is zoning published for Prairie du Sac?
No. Nothing on this page presents parcel level zoning.