Sun Prairie, Wisconsin Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Sun Prairie, WI Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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A
Health Above average
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B
Income Around average
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A
Education Above average
Source: Map AI Methodology
Population
| Metric | Sun Prairie | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Population | 26,634 | 5,910,864 | 337,468,954 |
| Population density (per sq mi) | 2030.7 | 90.2 | 86.4 |
| Population growth (%/yr) | 3.40% | 0.34% | 0.59% |
| Median age | 37.3 | 40.4 | 37.3 |
| Households | 11,304 | 2,477,189 | 130,235,071 |
Population in Sun Prairie grew by 41.4% from 2009 to 2024, reaching 26,634 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Sun Prairie is Millennials, aged 29–44, at 24.3% of residents. That is 3.6 points above Wisconsin as a whole.
- Gen Z 13–28 6,012 22.6% +1.2 pts
- Millennials 29–44 6,482 24.3% +3.6 pts
- Gen X 45–60 5,130 19.3% -1.5 pts
- Boomers 61–79 3,458 13.0% -4.9 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Wisconsin, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 51.1% of the people living in Sun Prairie and men 48.9%.
- Women 51.1% Wisconsin 50.0%
- Men 48.9% Wisconsin 50.0%
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Economy
Sun Prairie has a the economy index of B, which means it is quite prosperous.
| Metric | Sun Prairie | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Median household income | $86,667 | $77,698 | $80,455 |
| Income growth (%/yr) | 4.37% | 4.41% | 4.80% |
| Unemployment rate | 2.9% | 3.2% | 5.2% |
The median household income in Sun Prairie is about 12% higher than in Wisconsin.
Housing
| Metric | Sun Prairie | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Median home price | $32,621 | $170,479 | $248,835 |
| Median rent | $1,434 | $1,087 | $1,407 |
| Homeownership rate | 57.5% | 67.8% | 65.2% |
The median home price in Sun Prairie is about 1.9 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,434 per month for that long.
Commute Time & Mobility
Commuters in Sun Prairie spend about 42 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 175 hours, about 7.3 full days, spent commuting.
| Metric | Sun Prairie | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 21.1 | 18.8 | 22.4 |
| Round-trip commute (min) | 42.1 | 37.5 | 44.8 |
| Yearly time spent (hours) | 175 | 156 | 187 |
| Estimated yearly cost | $5,440 | $4,846 | $5,790 |
| Work from home | 18.9% | 13.1% | 15.0% |
| Highway traffic (vehicles/day) | 11,629 | 6,703 | 8,813 |
| Local road traffic (vehicles/day) | 1,913 | 811 | 1,355 |
The average commute time in Sun Prairie is 21 minutes, longer than the 19 minutes in Wisconsin.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Sun Prairie has a education index of A, which means it is very educated.
| Metric | Sun Prairie | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 45.4% | 29.7% | 31.6% |
| Average household size | 2.33 | 2.33 | 2.53 |
Health
Sun Prairie has a health index of A, which means it is very healthy.
| Metric | Sun Prairie | Wisconsin Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 78.1 | 79.6 | 78.3 |
| Self-rated poor health | 9.8% | 13.2% | 16.3% |
| Smokers | 14.6% | 18.5% | 19.0% |
Frequently Asked Questions
Common questions about Sun Prairie, Wisconsin.
How many people live in Sun Prairie, Wisconsin?
About 26,634 people live in Sun Prairie, Wisconsin, in 11,304 households of 2.3 people on average. The median age is 37.3, close to the U.S. median of 37.3.
How densely populated is Sun Prairie, Wisconsin?
Averaged over its land area, Sun Prairie, Wisconsin has 2,031 people per square mile, a density typical of urban and suburban areas. That is about 23 times the U.S. average of 86.
Is Sun Prairie, Wisconsin an affordable place to live?
The median home costs 0.4 times the median household income ($32,621 against $86,667), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,434 a month takes about 20% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is unemployment high in Sun Prairie, Wisconsin?
Unemployment in Sun Prairie, Wisconsin is only 2.9%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How educated are people in Sun Prairie, Wisconsin?
45.4% of adults in Sun Prairie, Wisconsin hold a bachelor's degree or higher (about 1 in 2), well above the U.S. share of 31.6%.
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