Prairie du Sac, Wisconsin Demographics & Population 2026
During the 2020–2024 ACS period, Prairie du Sac, Wisconsin had a total population of 4,382, the 170th largest village in Wisconsin, with a median household income of $101,049, which is 30% higher than the state average. The poverty rate is 7.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 30% above the state average — one of the wealthiest communities in Wisconsin.
- 44.9% of adults hold a bachelor's degree or higher — top 10% in Wisconsin.
- Near full employment with an unemployment rate of just 0.7%.
Prairie du Sac Quick Facts
How Prairie du Sac Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 4,385 | 4,382 | -0.1% |
| Median household income | $92,672 | $101,049 | +9.0% |
| Median home value | $319,200 | $321,300 | +0.7% |
How Prairie du Sac Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 37 | National average: 61
Education
Educational Attainment (Adults 25+)
Prairie du Sac Rankings in Wisconsin
Explore Wisconsin Rankings
Other Cities in Sauk County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Baraboo | 12,769 | $69,750 | 8.4% | $222,100 |
| Reedsburg | 10,168 | $75,028 | 8.3% | $229,100 |
| Lake Wisconsin | 5,384 | $124,127 | 3.0% | $452,400 |
| Sauk City | 3,483 | $91,042 | 8.4% | $291,400 |
| Lake Delton | 3,482 | $51,964 | 12.6% | $178,300 |
| Wisconsin Dells | 2,547 | $54,688 | 11.3% | $207,100 |
| West Baraboo | 1,577 | $60,880 | 9.6% | $224,700 |
| Spring Green | 1,397 | $87,344 | 6.8% | $248,800 |
| Plain | 780 | $96,000 | 6.5% | $234,200 |
| North Freedom | 716 | $83,750 | 15.3% | $157,700 |
Cities Similar to Prairie du Sac
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Kewaskum | 4,461 | $94,141 | $288,800 | 20.7% | 10.8% |
| Cross Plains | 4,107 | $105,145 | $376,500 | 44.7% | 1.3% |
| Bloomfield | 4,780 | $98,068 | $236,100 | 13.2% | 7.5% |
| Wind Lake | 4,836 | $102,855 | $386,100 | 31.8% | 5.7% |
| Baldwin | 4,342 | $77,179 | $273,500 | 35.8% | 9.7% |
Population Overview
Prairie du Sac is a small community located in Wisconsin, within Sauk County. The total population is 4,382. It ranks as the 170th most populous out of 808 Census-designated places in Wisconsin.
Age Demographics
The median age in Prairie du Sac is 38.4 years. This is 4% lower than the state median of 40.2 years.
Economy, Income & Housing
The median household income in Prairie du Sac is $101,049. This is 30% higher than the state median of $77,485. It is also 25% higher than the national median of $80,734. The poverty rate stands at 7.7%. This is 27% lower than the state poverty rate of 10.5%. The unemployment rate is 0.7%. This is 80% lower than the state rate of 3.3%. The median home value is $321,300. Housing costs are 21% higher than the state median of $266,500. The home-value-to-income ratio is 3.2x. 69.3% of occupied housing units are owner-occupied. This homeownership rate is 2% higher than the state average of 67.8%.
Race & Ethnicity
Prairie du Sac has a predominantly White (non-Hispanic) population, comprising 89.8% of all residents. Hispanic or Latino residents account for 4.5%. The Black or African American population (1.6%) is well below the state average of 5.9%.
Education
44.9% of residents aged 25 and older hold a bachelor's degree or higher. This places Prairie du Sac in the top 10% of all cities in the state for educational attainment. This is 35% higher than the state rate of 33.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.2%.
Data Sources & Methodology
All demographic data for Prairie du Sac, Wisconsin is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Wisconsin state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 808 Census-designated places in Wisconsin. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Prairie du Sac, Wisconsin?
Prairie du Sac, Wisconsin has a population of 4,382 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Prairie du Sac, WI?
The median household income in Prairie du Sac is $101,049, which is 25% higher than the national median of $80,734.
What is the poverty rate in Prairie du Sac, WI?
The poverty rate in Prairie du Sac is 7.7%. This means approximately 336 residents live below the federal poverty line.
What is the racial makeup of Prairie du Sac, Wisconsin?
Prairie du Sac's population is 89.8% White, 1.6% Black, 4.5% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Prairie du Sac, WI?
The median home value in Prairie du Sac is $321,300. The home-value-to-income ratio is 3.2x.
How educated is Prairie du Sac, Wisconsin?
44.9% of adults (25+) in Prairie du Sac hold a bachelor's degree or higher, and 10.6% hold a graduate or professional degree.