57657, SD Demographics

Population 128 · Census ACS 2020–24

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57657, SD map of median age by neighborhood
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Population and households in ZIP 57657

Household size in ZIP 57657

Household size, people per household
PeriodZIP 57657South DakotaU.S.
2006–103.412.512.68
2010–143.322.512.73
2015–193.492.502.71
2020–243.072.482.65
Change−0.34−0.03−0.03
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ZIP 57657 is a place of big households: 3.07 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids. Household size has dropped from 3.41 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 57657

Median age, years
PeriodZIP 57657South DakotaU.S.
2006–1033.337.937.7
2010–1434.038.338.6
2015–1931.538.839.6
2020–2430.038.940.1
Change−3.4+1.0+2.3
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With a median age of just 30.0, ZIP 57657 is far younger than the country as a whole (40.1), a population that tilts toward young families with children.

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 57657

Single-parent households, % of households
PeriodZIP 57657South DakotaU.S.
2006–1019.0%10.8%12.3%
2010–1424.1%11.1%12.3%
2015–1920.9%10.9%11.6%
2020–2421.5%10.7%11.6%
Change+2.4 pts−0.1 pts−0.6 pts
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Single-parent households are common in ZIP 57657: 21.5% of all 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 ZIP 57657

Renters in ZIP 57657

Renters, % of occupied homes
PeriodZIP 57657South DakotaU.S.
2006–1032.4%31.1%33.3%
2010–1436.0%32.0%35.6%
2015–1936.8%32.0%36.0%
2020–2437.3%31.4%34.8%
Change+5.0 pts+0.3 pts+1.5 pts
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Renting in ZIP 57657 is about as common as it is nationally: 37.3% of households rent, against 34.8%. Renters make up a bigger share here than in South Dakota as a whole (31.4%). About eight in ten owners (79.0%) 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 57657

Vacant homes, % of all homes
PeriodZIP 57657South DakotaU.S.
2006–1021.3%11.3%11.4%
2010–1420.3%10.7%11.4%
2015–1919.9%11.6%11.1%
2020–2412.9%10.3%9.6%
Change−8.4 pts−1.1 pts−1.8 pts
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Vacancy runs high in ZIP 57657: 12.9% of homes are empty, against 9.6% nationally. The count includes vacation homes and homes between owners or tenants, not just abandoned ones.

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 57657

Age of homes, median year built
PeriodZIP 57657South DakotaU.S.
2006–10197319721974
2010–14197219741975
2015–19197519771977
2020–24197819811980
Change+5+9+6
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Homes in ZIP 57657 are about the same age as the nation's housing: the median home was built in 1978, versus 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 ZIP 57657

Rent, per month
PeriodZIP 57657South DakotaU.S.
2006–10$401$631$965
2010–14$427$692$1,040
2015–19$497$798$1,213
2020–24$528$1,000$1,571
Change+$127+$369+$606
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Rent in ZIP 57657 runs $528 a month at the median, utilities included, well below the U.S. median of $1,571. Rent takes 14.5% 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 57657

Bachelor's degrees in ZIP 57657

Bachelor's degrees, % of adults 25+
PeriodZIP 57657South DakotaU.S.
2006–1013.9%26.8%28.4%
2010–1414.3%27.8%29.6%
2015–1916.5%29.4%32.1%
2020–2416.1%32.5%35.6%
Change+2.2 pts+5.6 pts+7.2 pts
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College degrees are relatively uncommon in ZIP 57657: 16.1% of adults 25 and older hold a bachelor's or higher, well below 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 ZIP 57657

High school graduates, % of adults 25+
PeriodZIP 57657South DakotaU.S.
2006–1085.3%89.9%84.9%
2010–1485.2%91.0%86.1%
2015–1984.2%91.8%87.7%
2020–2487.9%93.1%89.3%
Change+2.5 pts+3.2 pts+4.3 pts
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High school completion in ZIP 57657 is close to the national rate: 87.9% of adults have a diploma or equivalent, against 89.3%. The rate is lower than in South Dakota as a whole (93.1%).

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 57657

Unemployment, % of the labor force
PeriodZIP 57657South DakotaU.S.
2006–1011.6%4.9%8.1%
2010–1421.9%4.9%9.4%
2015–1919.6%3.6%5.6%
2020–2420.8%3.1%5.4%
Change+9.2 pts−1.7 pts−2.7 pts
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Unemployment in ZIP 57657 runs well above the national rate: 20.8% of the labor force was out of work and looking, against 5.4%. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current 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 57657 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 576573.0730.021.5%37.3%12.9%1978$52816.1%87.9%20.8%
ZIP 576302.6330.813.4%31.7%9.9%1972$64320.4%92.1%9.1%
ZIP 576562.6830.714.4%32.3%10.2%1973$62919.9%91.6%10.5%
ZIP 576012.0540.59.3%26.4%14.7%1964$91230.0%94.7%0.9%
ZIP 576312.3543.81.3%20.6%32.3%1972$93128.7%92.1%8.7%
ZIP 576332.8231.716.1%32.2%13.0%1973$58519.1%91.1%13.1%
ZIP 574202.4539.91.2%19.2%34.0%1977$82526.1%91.0%10.3%
ZIP 574722.2246.23.2%18.6%11.5%1966$73017.8%83.2%6.2%
ZIP 574522.4041.01.0%20.0%28.8%1975$80427.9%90.6%8.8%
ZIP 574282.2444.84.2%21.3%26.3%1959$77328.6%94.2%1.4%
ZIP 574482.2344.94.5%22.0%25.9%1960$72929.1%92.4%0.7%

All figures 2020–24.

Zip codes with similar populations: 58013, ND · 49903, MI · 49942, MI · 50272, IA · 50605, IA · 50652, IA · 51008, IA · 51363, IA · 51451, IA · 52036, 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 ZIP 57657. 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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