Population 6,139 · Census ACS 2020–24
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Population and households in Prairie Du Sac
Household size in Prairie Du Sac
| Period | Prairie Du Sac | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.28 | 2.43 | 2.45 | 2.68 |
| 2010–14 | 2.39 | 2.41 | 2.47 | 2.73 |
| 2015–19 | 2.27 | 2.39 | 2.43 | 2.71 |
| 2020–24 | 2.35 | 2.30 | 2.40 | 2.65 |
| Change | +0.07 | −0.13 | −0.06 | −0.03 |
Households in Prairie Du Sac are small: just 2.35 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home. Since 2006–10, household size has crept up from 2.28, even as the national average fell.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Prairie Du Sac
| Period | Prairie Du Sac | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 39.7 | 37.0 | 38.8 | 37.7 |
| 2010–14 | 40.1 | 37.9 | 39.9 | 38.6 |
| 2015–19 | 42.0 | 38.3 | 40.9 | 39.6 |
| 2020–24 | 41.0 | 38.9 | 41.4 | 40.1 |
| Change | +1.3 | +1.9 | +2.6 | +2.3 |
At 41.0, the median age in Prairie Du Sac is close to the national median of 40.1, so its age mix looks much like the country's. The population here is older than in the wider Madison area, where the median age is 38.9. Since 2006–10, the median age has climbed from 39.7, as it has nationally.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Prairie Du Sac
| Period | Prairie Du Sac | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.1% | 8.7% | 10.4% | 12.3% |
| 2010–14 | 10.9% | 8.8% | 10.5% | 12.3% |
| 2015–19 | 5.5% | 8.0% | 10.0% | 11.6% |
| 2020–24 | 4.2% | 8.2% | 9.8% | 11.6% |
| Change | −2.9 pts | −0.5 pts | −0.6 pts | −0.6 pts |
Single-parent households are relatively rare in Prairie Du Sac: 4.2% of households, against 11.6% nationally. The single-parent share is down 2.9 points from 2006–10, a much bigger shift than nationally. Of the 200 Wisconsin cities with 5,000+ people, only eight have a lower share of single-parent households.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Prairie Du Sac
Renters in Prairie Du Sac
| Period | Prairie Du Sac | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 27.8% | 35.1% | 30.5% | 33.3% |
| 2010–14 | 32.0% | 38.3% | 32.3% | 35.6% |
| 2015–19 | 34.7% | 38.9% | 33.0% | 36.0% |
| 2020–24 | 29.3% | 39.7% | 32.2% | 34.8% |
| Change | +1.5 pts | +4.5 pts | +1.6 pts | +1.5 pts |
About three in ten households in Prairie Du Sac rent their homes (29.3%), a little below the national share of 34.8%; the rest own. Among homeowners, 31.6% have no mortgage at all, below the national share of 39.8%. Rentals cluster in the center; owners are most common in the northeast. The renter share is up 1.5 points from 2006–10, mirroring the country.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Prairie Du Sac
| Period | Prairie Du Sac | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.6% | 8.9% | 10.5% | 11.4% |
| 2010–14 | 9.0% | 6.3% | 10.6% | 11.4% |
| 2015–19 | 6.4% | 5.7% | 10.1% | 11.1% |
| 2020–24 | 6.0% | 5.5% | 9.2% | 9.6% |
| Change | −1.6 pts | −3.4 pts | −1.3 pts | −1.8 pts |
Fewer homes sit empty in Prairie Du Sac than nationally: 6.0%, against 9.6% for the U.S. That is in line with the rest of the Madison area. Vacancy is down 1.6 points from 2006–10, in line with the national trend.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Prairie Du Sac
| Period | Prairie Du Sac | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 1979 | 1976 | 1970 | 1974 |
| 2010–14 | 1983 | 1978 | 1971 | 1975 |
| 2015–19 | 1982 | 1979 | 1972 | 1977 |
| 2020–24 | 1984 | 1983 | 1974 | 1980 |
| Change | +5 | +7 | +5 | +6 |
Homes in Prairie Du Sac are a bit newer than the national norm: the median home was built in 1984, versus 1980 across the U.S. The median year built has moved up from 1979 in 2006–10, a sign of steady new building. The newest homes are mostly in the north, the oldest in the southeast.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Prairie Du Sac
| Period | Prairie Du Sac | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | $695 | $868 | $758 | $965 |
| 2010–14 | $855 | $950 | $821 | $1,040 |
| 2015–19 | $850 | $1,072 | $904 | $1,213 |
| 2020–24 | $1,238 | $1,366 | $1,139 | $1,571 |
| Change | +$544 | +$498 | +$380 | +$606 |
The median renter in Prairie Du Sac pays $1,238 a month for rent and utilities, well below the national median of $1,571. Rent has climbed $544 a month since 2006–10, up 78%, faster than rents rose nationally. Rent takes 22.4% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent. The priciest rents are in the center; the most affordable are in the southeast.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Prairie Du Sac
Bachelor's degrees in Prairie Du Sac
| Period | Prairie Du Sac | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 27.8% | 41.3% | 26.5% | 28.4% |
| 2010–14 | 29.2% | 43.6% | 28.0% | 29.6% |
| 2015–19 | 30.1% | 46.9% | 30.4% | 32.1% |
| 2020–24 | 39.9% | 50.6% | 33.6% | 35.6% |
| Change | +12.1 pts | +9.3 pts | +7.0 pts | +7.2 pts |
College degrees are a bit more common in Prairie Du Sac than nationally: 39.9% of adults 25 and older have a bachelor's or higher, against 35.6%. Still, the share is lower than in the Madison area overall (50.6%). The share with a degree has risen 12.1 points since 2006–10, in line with the national trend.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Prairie Du Sac
| Period | Prairie Du Sac | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 90.2% | 93.8% | 89.5% | 84.9% |
| 2010–14 | 94.4% | 94.4% | 90.7% | 86.1% |
| 2015–19 | 94.5% | 95.2% | 92.1% | 87.7% |
| 2020–24 | 95.5% | 95.1% | 93.3% | 89.3% |
| Change | +5.4 pts | +1.3 pts | +3.8 pts | +4.3 pts |
High school completion is high in Prairie Du Sac: 95.5% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The Madison area as a whole looks much the same. The share with a diploma has risen 5.4 points since 2006–10, mirroring the country.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Prairie Du Sac
| Period | Prairie Du Sac | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.6% | 5.0% | 6.7% | 8.1% |
| 2010–14 | 4.4% | 5.5% | 7.3% | 9.4% |
| 2015–19 | 2.2% | 2.6% | 3.7% | 5.6% |
| 2020–24 | 0.9% | 2.6% | 3.3% | 5.4% |
| Change | −4.6 pts | −2.4 pts | −3.4 pts | −2.7 pts |
Unemployment in Prairie Du Sac has been low: just 0.9% of the labor force was out of work and looking, well below the national rate of 5.4%. Of the 200 Wisconsin cities with 5,000+ people, only nine have lower unemployment. Unemployment has fallen 4.6 points since 2006–10, mirroring the country.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Prairie Du Sac compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Prairie Du Sac | 2.35 | 41.0 | 4.2% | 29.3% | 6.0% | 1984 | $1,238 | 39.9% | 95.5% | 0.9% |
| Sauk City | 2.37 | 42.4 | 4.3% | 22.2% | 5.9% | 1974 | $1,123 | 31.7% | 96.4% | 2.1% |
| Lake Wisconsin | 2.51 | 50.2 | 1.5% | 6.4% | 12.2% | 1995 | $1,384 | 52.4% | 99.4% | 1.5% |
| Roxbury | 2.66 | 50.7 | 7.2% | 10.0% | 10.7% | 1980 | $1,185 | 35.9% | 98.5% | 0.6% |
| Witwen | 2.59 | 45.4 | 3.5% | 13.4% | 9.2% | 1974 | $911 | 25.1% | 93.6% | 1.3% |
| Merrimac | 2.40 | 47.9 | 7.1% | 11.1% | 25.4% | 1982 | $1,069 | 35.9% | 94.8% | 2.2% |
| Mazomanie | 2.29 | 47.8 | 5.0% | 14.7% | 5.0% | 1981 | $990 | 33.0% | 97.9% | 2.8% |
| North Freedom | 2.58 | 38.2 | 12.0% | 18.3% | 9.7% | 1962 | $894 | 19.3% | 93.6% | 1.3% |
| Lodi | 2.28 | 48.5 | 3.7% | 13.6% | 15.0% | 1988 | $1,356 | 39.8% | 99.0% | 2.8% |
| Martinsville | 2.20 | 56.7 | 2.0% | 12.9% | 4.6% | 1977 | $1,474 | 43.5% | 99.0% | 0.6% |
| Black Earth | 2.48 | 44.9 | 5.7% | 15.9% | 5.7% | 1979 | $996 | 33.8% | 97.9% | 4.4% |
All figures 2020–24.
Cities with similar populations: Brookland, AR · Brady, TX · Branford Center, CT · Breckenridge, TX · Breese, IL · Bridge City, LA · Bridgeport, PA · Brier, WA · Brighton, IL · Brisbane, CA
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Prairie Du Sac. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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