57766, SD Demographics

Population 237 · Census ACS 2020–24

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57766, SD map of median age by neighborhood
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Population and households in ZIP 57766

Household size in ZIP 57766

Household size, people per household
PeriodZIP 57766South DakotaU.S.
2006–102.142.512.68
2010–142.182.512.73
2015–192.122.502.71
2020–241.932.482.65
Change−0.21−0.03−0.03
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Households in ZIP 57766 are small: just 1.93 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 has dropped from 2.14 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.

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 ZIP 57766

Median age, years
PeriodZIP 57766South DakotaU.S.
2006–1035.937.937.7
2010–1452.138.338.6
2015–1960.338.839.6
2020–2453.738.940.1
Change+17.8+1.0+2.3
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ZIP 57766 skews older: half of its residents are older than 53.7, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families.

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 ZIP 57766

Single-parent households, % of households
PeriodZIP 57766South DakotaU.S.
2006–1014.1%10.8%12.3%
2010–141.7%11.1%12.3%
2015–192.1%10.9%11.6%
2020–245.6%10.7%11.6%
Change−8.5 pts−0.1 pts−0.6 pts
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Single parents head only 5.6% of households in ZIP 57766, 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 ZIP 57766

Renters in ZIP 57766

Renters, % of occupied homes
PeriodZIP 57766South DakotaU.S.
2006–1029.6%31.1%33.3%
2010–1424.7%32.0%35.6%
2015–1913.6%32.0%36.0%
2020–2421.3%31.4%34.8%
Change−8.3 pts+0.3 pts+1.5 pts
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Only 21.3% of households in ZIP 57766 rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. About eight in ten owners (77.8%) have paid off their mortgages, well 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 ZIP 57766

Vacant homes, % of all homes
PeriodZIP 57766South DakotaU.S.
2006–1045.6%11.3%11.4%
2010–1454.0%10.7%11.4%
2015–1961.3%11.6%11.1%
2020–2421.2%10.3%9.6%
Change−24.3 pts−1.1 pts−1.8 pts
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Vacancy is high in ZIP 57766: 21.2% of homes are empty, 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 ZIP 57766

Age of homes, median year built
PeriodZIP 57766South DakotaU.S.
2006–10197719721974
2010–14198119741975
2015–19198019771977
2020–24196119811980
Change−16+9+6
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The housing in ZIP 57766 is old by national standards: the median home dates to 1961, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates.

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 ZIP 57766

Rent, per month
PeriodZIP 57766South DakotaU.S.
2006–10$824$631$965
2010–14$447$692$1,040
2015–19$538$798$1,213
2020–24$953$1,000$1,571
Change+$129+$369+$606
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A typical rental in ZIP 57766 costs $953 a month with utilities, well below the national median of $1,571. South Dakota as a whole looks much the same. Rent takes 15.0% of the typical renter's income, comfortably 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 ZIP 57766

Bachelor's degrees in ZIP 57766

Bachelor's degrees, % of adults 25+
PeriodZIP 57766South DakotaU.S.
2006–1034.4%26.8%28.4%
2010–1427.1%27.8%29.6%
2015–1923.8%29.4%32.1%
2020–2439.3%32.5%35.6%
Change+4.9 pts+5.6 pts+7.2 pts
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College degrees are a bit more common in ZIP 57766 than nationally: 39.3% 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 ZIP 57766

High school graduates, % of adults 25+
PeriodZIP 57766South DakotaU.S.
2006–1092.0%89.9%84.9%
2010–1489.4%91.0%86.1%
2015–1994.3%91.8%87.7%
2020–2498.5%93.1%89.3%
Change+6.5 pts+3.2 pts+4.3 pts
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Finishing high school is nearly universal in ZIP 57766: 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 ZIP 57766

Unemployment, % of the labor force
PeriodZIP 57766South DakotaU.S.
2006–100.5%4.9%8.1%
2010–1411.8%4.9%9.4%
2015–190.8%3.6%5.6%
2020–240.7%3.1%5.4%
Change+0.3 pts−1.7 pts−2.7 pts
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Unemployment in ZIP 57766 has been low: just 0.7% of the labor force was out of work and looking, well below the national rate of 5.4%. 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).

ZIP 57766 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 577661.9353.75.6%21.3%21.2%1961$95339.3%98.5%0.7%
ZIP 577471.8557.29.2%26.6%9.8%1967$91030.9%90.1%3.2%
ZIP 577823.0541.826.0%30.1%21.4%1973$77727.2%91.3%10.8%
ZIP 577352.2844.59.3%20.6%22.3%1967$1,04126.4%97.2%3.1%
ZIP 577563.9422.759.3%80.4%14.3%1992$5091.8%60.2%47.7%
ZIP 577726.0328.680.6%55.9%20.9%1977$5234.0%34.5%5.8%
ZIP 577524.1326.440.4%59.2%14.3%1989$58120.2%79.2%7.5%
ZIP 577144.4026.239.3%50.3%18.3%1984$60611.0%73.5%13.2%
ZIP 575473.7634.327.0%21.6%19.6%1989$40616.7%88.6%17.9%
ZIP 575603.3930.717.3%42.5%10.0%1973$39117.7%80.6%25.4%
ZIP 575664.5819.467.1%80.1%15.5%1979$4615.1%75.4%30.8%

All figures 2020–24.

Zip codes with similar populations: 44874, OH · 41567, KY · 41739, KY · 41775, KY · 41833, KY · 42156, KY · 42254, KY · 43151, OH · 43961, OH · 41226, KY

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 ZIP 57766. 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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