Population 4,968 · Census ACS 2020–24
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Population and households in Sauk City
Household size in Sauk City
| Period | Sauk City | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.32 | 2.43 | 2.45 | 2.68 |
| 2010–14 | 2.50 | 2.41 | 2.47 | 2.73 |
| 2015–19 | 2.33 | 2.39 | 2.43 | 2.71 |
| 2020–24 | 2.37 | 2.30 | 2.40 | 2.65 |
| Change | +0.05 | −0.13 | −0.06 | −0.03 |
Sauk City is a place of small households, averaging 2.37 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. The picture is much the same across the Madison area.
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 Sauk City
| Period | Sauk City | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 39.7 | 37.0 | 38.8 | 37.7 |
| 2010–14 | 39.2 | 37.9 | 39.9 | 38.6 |
| 2015–19 | 43.3 | 38.3 | 40.9 | 39.6 |
| 2020–24 | 42.4 | 38.9 | 41.4 | 40.1 |
| Change | +2.7 | +1.9 | +2.6 | +2.3 |
Sauk City skews a little older than the country: its median age is 42.4, against 40.1 nationally. The median age has climbed from 39.7 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.
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 Sauk City
| Period | Sauk City | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.0% | 8.7% | 10.4% | 12.3% |
| 2010–14 | 7.7% | 8.8% | 10.5% | 12.3% |
| 2015–19 | 7.8% | 8.0% | 10.0% | 11.6% |
| 2020–24 | 4.3% | 8.2% | 9.8% | 11.6% |
| Change | −3.7 pts | −0.5 pts | −0.6 pts | −0.6 pts |
Single-parent households are relatively rare in Sauk City: 4.3% of households, against 11.6% nationally.
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 Sauk City
Renters in Sauk City
| Period | Sauk City | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 22.5% | 35.1% | 30.5% | 33.3% |
| 2010–14 | 26.6% | 38.3% | 32.3% | 35.6% |
| 2015–19 | 24.6% | 38.9% | 33.0% | 36.0% |
| 2020–24 | 22.2% | 39.7% | 32.2% | 34.8% |
| Change | −0.4 pts | +4.5 pts | +1.6 pts | +1.5 pts |
Only 22.2% of households in Sauk City rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. About a third of owners (32.6%) have paid off their mortgages, below the national share of 39.8%.
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 Sauk City
| Period | Sauk City | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.8% | 8.9% | 10.5% | 11.4% |
| 2010–14 | 5.4% | 6.3% | 10.6% | 11.4% |
| 2015–19 | 6.3% | 5.7% | 10.1% | 11.1% |
| 2020–24 | 5.9% | 5.5% | 9.2% | 9.6% |
| Change | −2.9 pts | −3.4 pts | −1.3 pts | −1.8 pts |
Fewer homes sit empty in Sauk City than nationally: 5.9%, against 9.6% for the U.S. That is in line with the rest of the Madison area.
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 Sauk City
| Period | Sauk City | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 1974 | 1976 | 1970 | 1974 |
| 2010–14 | 1976 | 1978 | 1971 | 1975 |
| 2015–19 | 1976 | 1979 | 1972 | 1977 |
| 2020–24 | 1974 | 1983 | 1974 | 1980 |
| Change | +0 | +7 | +5 | +6 |
Housing in Sauk City leans a little older: the median home dates to 1974, against 1980 nationally.
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 Sauk City
| Period | Sauk City | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | $699 | $868 | $758 | $965 |
| 2010–14 | $830 | $950 | $821 | $1,040 |
| 2015–19 | $786 | $1,072 | $904 | $1,213 |
| 2020–24 | $1,123 | $1,366 | $1,139 | $1,571 |
| Change | +$425 | +$498 | +$380 | +$606 |
A typical rental in Sauk City costs $1,123 a month with utilities, well below the national median of $1,571. Rent takes 28.6% of the typical renter's income, just under the 30% mark often used to define affordable rent.
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 Sauk City
Bachelor's degrees in Sauk City
| Period | Sauk City | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 22.4% | 41.3% | 26.5% | 28.4% |
| 2010–14 | 25.8% | 43.6% | 28.0% | 29.6% |
| 2015–19 | 27.3% | 46.9% | 30.4% | 32.1% |
| 2020–24 | 31.7% | 50.6% | 33.6% | 35.6% |
| Change | +9.3 pts | +9.3 pts | +7.0 pts | +7.2 pts |
College degrees are a little less common in Sauk City than nationally: 31.7% of adults 25 and older have a bachelor's or higher, against 35.6%.
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 Sauk City
| Period | Sauk City | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 91.5% | 93.8% | 89.5% | 84.9% |
| 2010–14 | 94.4% | 94.4% | 90.7% | 86.1% |
| 2015–19 | 94.1% | 95.2% | 92.1% | 87.7% |
| 2020–24 | 96.4% | 95.1% | 93.3% | 89.3% |
| Change | +4.9 pts | +1.3 pts | +3.8 pts | +4.3 pts |
High school completion is high in Sauk City: 96.4% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The picture is much the same across the Madison area.
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 Sauk City
| Period | Sauk City | Madison area | Wisconsin | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.0% | 5.0% | 6.7% | 8.1% |
| 2010–14 | 4.9% | 5.5% | 7.3% | 9.4% |
| 2015–19 | 0.8% | 2.6% | 3.7% | 5.6% |
| 2020–24 | 2.1% | 2.6% | 3.3% | 5.4% |
| Change | −3.9 pts | −2.4 pts | −3.4 pts | −2.7 pts |
Unemployment in Sauk City has been low: just 2.1% of the labor force was out of work and looking, well below the national rate of 5.4%. That is in line with the rest of the Madison area. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.
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).
Sauk City 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Sauk City | 2.37 | 42.4 | 4.3% | 22.2% | 5.9% | 1974 | $1,123 | 31.7% | 96.4% | 2.1% |
| Prairie Du Sac | 2.35 | 41.0 | 4.2% | 29.3% | 6.0% | 1984 | $1,238 | 39.9% | 95.5% | 0.9% |
| Roxbury | 2.66 | 50.7 | 7.2% | 10.0% | 10.7% | 1980 | $1,185 | 35.9% | 98.5% | 0.6% |
| Lake Wisconsin | 2.51 | 50.2 | 1.5% | 6.4% | 12.2% | 1995 | $1,384 | 52.4% | 99.4% | 1.5% |
| Witwen | 2.59 | 45.4 | 3.5% | 13.4% | 9.2% | 1974 | $911 | 25.1% | 93.6% | 1.3% |
| Mazomanie | 2.29 | 47.8 | 5.0% | 14.7% | 5.0% | 1981 | $990 | 33.0% | 97.9% | 2.8% |
| Merrimac | 2.40 | 47.9 | 7.1% | 11.1% | 25.4% | 1982 | $1,069 | 35.9% | 94.8% | 2.2% |
| Black Earth | 2.48 | 44.9 | 5.7% | 15.9% | 5.7% | 1979 | $996 | 33.8% | 97.9% | 4.4% |
| Martinsville | 2.20 | 56.7 | 2.0% | 12.9% | 4.6% | 1977 | $1,474 | 43.5% | 99.0% | 0.6% |
| North Freedom | 2.58 | 38.2 | 12.0% | 18.3% | 9.7% | 1962 | $894 | 19.3% | 93.6% | 1.3% |
| Springfield Corners | 2.62 | 48.2 | 3.7% | 10.6% | 3.0% | 1978 | $1,358 | 36.7% | 93.3% | 1.3% |
All figures 2020–24.
Cities with similar populations: Knightstown, IN · Winnie, TX · Winona Lake, IN · Winona, MS · Winthrop, ME · La Vale, MD · Wirtz, VA · La Conner, WA · Wolcottville, IN · Wolf Point, MT
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 Sauk City. 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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