Sun Prairie, Wisconsin Demographics & Population 2026
During the 2020–2024 ACS period, Sun Prairie, Wisconsin had a total population of 37,570, the 20th largest city in Wisconsin, with a median household income of $90,942, which is 17% higher than the state average. The poverty rate is 6.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 50.9% of adults hold a bachelor's degree or higher — top 10% in Wisconsin.
- Near full employment with an unemployment rate of just 2.3%.
Sun Prairie Quick Facts
How Sun Prairie 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 | 36,455 | 37,570 | +3.1% |
| Median household income | $90,521 | $90,942 | +0.5% |
| Median home value | $339,800 | $365,700 | +7.6% |
How Sun Prairie 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
Moderate diversity with one or two groups making up the majority.
State average: 37 | National average: 61
Education
Educational Attainment (Adults 25+)
Sun Prairie Rankings in Wisconsin
Explore Wisconsin Rankings
Other Cities in Dane County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Madison | 278,001 | $78,050 | 16.4% | $372,900 |
| Fitchburg | 32,619 | $86,516 | 9.3% | $417,200 |
| Middleton | 22,301 | $89,524 | 7.6% | $484,200 |
| Waunakee | 15,687 | $125,220 | 2.8% | $515,900 |
| Verona | 15,232 | $119,606 | 1.4% | $420,400 |
| Stoughton | 13,033 | $79,551 | 7.1% | $293,500 |
| Oregon | 11,547 | $102,978 | 4.7% | $417,200 |
| DeForest | 11,501 | $106,419 | 5.7% | $359,600 |
| Windsor | 9,452 | $120,048 | 4.5% | $425,600 |
| McFarland | 9,160 | $97,500 | 3.8% | $390,100 |
Cities Similar to Sun Prairie
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Oak Creek | 37,325 | $96,555 | $331,700 | 39.4% | 4.9% |
| Menomonee Falls | 39,539 | $100,238 | $368,000 | 48.2% | 5.2% |
| New Berlin | 40,270 | $101,091 | $365,700 | 47.3% | 4.1% |
| Franklin | 35,886 | $106,894 | $364,200 | 44.3% | 6.7% |
| Greenfield | 37,345 | $70,459 | $261,100 | 33.5% | 8.6% |
Population Overview
Sun Prairie is a mid-sized community located in Wisconsin, within Dane County. The total population is 37,570. It ranks as the 20th most populous out of 808 Census-designated places in Wisconsin.
Age Demographics
The median age in Sun Prairie is 36.7 years. This is 9% lower than the state median of 40.2 years.
Economy, Income & Housing
The median household income in Sun Prairie is $90,942. This is 17% higher than the state median of $77,485. It is also 13% higher than the national median of $80,734. The poverty rate stands at 6.2%. This is 41% lower than the state poverty rate of 10.5%. The unemployment rate is 2.3%. This is 28% lower than the state rate of 3.3%. The median home value is $365,700. Housing costs are 37% higher than the state median of $266,500. The home-value-to-income ratio is 4.0x. 60.8% of occupied housing units are owner-occupied. This homeownership rate is 10% lower than the state average of 67.8%.
Race & Ethnicity
The largest racial or ethnic group in Sun Prairie is White (non-Hispanic), making up 73.2% of the population. Asian residents account for 8.6%. The Asian population is significantly higher than the state average (8.6% vs 2.9%).
Education
50.9% of residents aged 25 and older hold a bachelor's degree or higher. This places Sun Prairie in the top 10% of all cities in the state for educational attainment. This is 53% 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 97.3%. Notably, 17.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Sun Prairie, 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.
Free data download: Get all Wisconsin city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Sun Prairie, Wisconsin?
Sun Prairie, Wisconsin has a population of 37,570 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Sun Prairie, WI?
The median household income in Sun Prairie is $90,942, which is 13% higher than the national median of $80,734.
What is the poverty rate in Sun Prairie, WI?
The poverty rate in Sun Prairie is 6.2%. This means approximately 2,303 residents live below the federal poverty line.
What is the racial makeup of Sun Prairie, Wisconsin?
Sun Prairie's population is 73.2% White, 8.5% Black, 4.7% Hispanic/Latino, and 8.6% Asian.
What is the median home value in Sun Prairie, WI?
The median home value in Sun Prairie is $365,700. The home-value-to-income ratio is 4.0x.
How educated is Sun Prairie, Wisconsin?
50.9% of adults (25+) in Sun Prairie hold a bachelor's degree or higher, and 17.6% hold a graduate or professional degree.