Population 2,008 · Census ACS 2020–24
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Population and households in Sister Bay
Household size in Sister Bay
| Period | Sister Bay | Wisconsin | U.S. |
|---|---|---|---|
| 2006–10 | 1.92 | 2.45 | 2.68 |
| 2010–14 | 1.80 | 2.47 | 2.73 |
| 2015–19 | 1.81 | 2.43 | 2.71 |
| 2020–24 | 1.86 | 2.40 | 2.65 |
| Change | −0.06 | −0.06 | −0.03 |
Households in Sister Bay are small: just 1.86 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.
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 Sister Bay
| Period | Sister Bay | Wisconsin | U.S. |
|---|---|---|---|
| 2006–10 | 58.4 | 38.8 | 37.7 |
| 2010–14 | 62.4 | 39.9 | 38.6 |
| 2015–19 | 63.0 | 40.9 | 39.6 |
| 2020–24 | 57.0 | 41.4 | 40.1 |
| Change | −1.4 | +2.6 | +2.3 |
Sister Bay skews older: half of its residents are older than 57.0, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. The median age has dropped from 58.4 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 Sister Bay
| Period | Sister Bay | Wisconsin | U.S. |
|---|---|---|---|
| 2006–10 | 2.8% | 10.4% | 12.3% |
| 2010–14 | 1.6% | 10.5% | 12.3% |
| 2015–19 | 4.3% | 10.0% | 11.6% |
| 2020–24 | 6.8% | 9.8% | 11.6% |
| Change | +4.0 pts | −0.6 pts | −0.6 pts |
Single parents head only 6.8% of households in Sister Bay, well below the national share of 11.6%.
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 Sister Bay
Renters in Sister Bay
| Period | Sister Bay | Wisconsin | U.S. |
|---|---|---|---|
| 2006–10 | 26.1% | 30.5% | 33.3% |
| 2010–14 | 24.9% | 32.3% | 35.6% |
| 2015–19 | 22.7% | 33.0% | 36.0% |
| 2020–24 | 30.7% | 32.2% | 34.8% |
| Change | +4.6 pts | +1.6 pts | +1.5 pts |
Most households in Sister Bay own their homes; 30.7% rent, a little below the national share of 34.8%. The picture is much the same across Wisconsin. Nearly half of owners (46.5%) have paid off their mortgages, above 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 Sister Bay
| Period | Sister Bay | Wisconsin | U.S. |
|---|---|---|---|
| 2006–10 | 60.6% | 10.5% | 11.4% |
| 2010–14 | 65.4% | 10.6% | 11.4% |
| 2015–19 | 63.3% | 10.1% | 11.1% |
| 2020–24 | 54.2% | 9.2% | 9.6% |
| Change | −6.3 pts | −1.3 pts | −1.8 pts |
Vacant homes make up 54.2% of the housing in Sister Bay, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand.
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 Sister Bay
| Period | Sister Bay | Wisconsin | U.S. |
|---|---|---|---|
| 2006–10 | 1979 | 1970 | 1974 |
| 2010–14 | 1985 | 1971 | 1975 |
| 2015–19 | 1988 | 1972 | 1977 |
| 2020–24 | 1987 | 1974 | 1980 |
| Change | +9 | +5 | +6 |
Homes in Sister Bay are newer than the national norm: the median home was built in 1987, versus 1980 across the U.S.
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 Sister Bay
| Period | Sister Bay | Wisconsin | U.S. |
|---|---|---|---|
| 2006–10 | $575 | $758 | $965 |
| 2010–14 | $717 | $821 | $1,040 |
| 2015–19 | $826 | $904 | $1,213 |
| 2020–24 | $1,209 | $1,139 | $1,571 |
| Change | +$634 | +$380 | +$606 |
Rent in Sister Bay runs $1,209 a month at the median, utilities included, well below the U.S. median of $1,571. Still, rents here are higher than in Wisconsin as a whole ($1,139). Rent takes 31.8% of the typical renter's income, just over 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 Sister Bay
Bachelor's degrees in Sister Bay
| Period | Sister Bay | Wisconsin | U.S. |
|---|---|---|---|
| 2006–10 | 41.9% | 26.5% | 28.4% |
| 2010–14 | 37.3% | 28.0% | 29.6% |
| 2015–19 | 46.3% | 30.4% | 32.1% |
| 2020–24 | 50.3% | 33.6% | 35.6% |
| Change | +8.4 pts | +7.0 pts | +7.2 pts |
Sister Bay is highly educated: about half of adults 25 and older (50.3%) hold at least a bachelor's degree, far above the national share of 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 Sister Bay
| Period | Sister Bay | Wisconsin | U.S. |
|---|---|---|---|
| 2006–10 | 94.7% | 89.5% | 84.9% |
| 2010–14 | 93.4% | 90.7% | 86.1% |
| 2015–19 | 97.8% | 92.1% | 87.7% |
| 2020–24 | 98.5% | 93.3% | 89.3% |
| Change | +3.8 pts | +3.8 pts | +4.3 pts |
Finishing high school is nearly universal in Sister Bay: 98.5% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.
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 Sister Bay
| Period | Sister Bay | Wisconsin | U.S. |
|---|---|---|---|
| 2006–10 | 7.7% | 6.7% | 8.1% |
| 2010–14 | 7.9% | 7.3% | 9.4% |
| 2015–19 | 6.6% | 3.7% | 5.6% |
| 2020–24 | 3.6% | 3.3% | 5.4% |
| Change | −4.1 pts | −3.4 pts | −2.7 pts |
Unemployment in Sister Bay runs below the national rate: 3.6% of the labor force was out of work and looking, against 5.4% nationally. Wisconsin as a whole looks much the same. 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).
Sister Bay 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Sister Bay | 1.86 | 57.0 | 6.8% | 30.7% | 54.2% | 1987 | $1,209 | 50.3% | 98.5% | 3.6% |
| Ephraim | 2.02 | 61.7 | 2.2% | 11.6% | 65.0% | 1986 | $960 | 64.8% | 97.6% | 1.5% |
| Rowleys Bay | 1.92 | 64.4 | 1.1% | 10.6% | 51.8% | 1978 | $1,195 | 58.9% | 96.8% | 1.2% |
| Ellison Bay | 1.92 | 64.4 | 1.1% | 10.6% | 51.8% | 1978 | $1,195 | 58.9% | 96.8% | 1.2% |
| Fish Creek | 2.03 | 62.0 | 2.1% | 10.2% | 65.0% | 1986 | $955 | 64.7% | 97.2% | 1.6% |
| Gills Rock | 1.92 | 64.4 | 1.1% | 10.6% | 51.8% | 1978 | $1,195 | 58.9% | 96.8% | 1.2% |
| Baileys Harbor | 1.87 | 56.0 | 5.4% | 19.5% | 55.0% | 1990 | $1,229 | 48.3% | 98.0% | 1.2% |
| Egg Harbor | 1.99 | 58.8 | 4.3% | 11.1% | 56.1% | 1987 | $1,098 | 47.6% | 93.8% | 3.0% |
| Jacksonport | 1.97 | 56.5 | 0.3% | 6.1% | 53.3% | 1977 | $934 | 44.6% | 94.3% | 3.5% |
| Washington Island | 1.83 | 64.7 | 1.7% | 11.1% | 54.4% | 1977 | $638 | 45.7% | 99.6% | 2.4% |
| Valmy | 1.82 | 61.0 | 0.9% | 6.0% | 43.4% | 1983 | $1,089 | 49.6% | 99.3% | 0.2% |
All figures 2020–24.
Cities with similar populations: Titus, AL · West Glendive, MT · Fairview-Ferndale, PA · Farwell, TX · Grampian, PA · Greenbank, WA · Gretna, FL · Ventress, LA · Vardaman, MS · Traer, IA
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 Sister Bay. 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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