57370, SD Demographics

Population 947 · Census ACS 2020–24

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57370, SD map of median age by neighborhood
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Population and households in ZIP 57370

Household size in ZIP 57370

Household size, people per household
PeriodZIP 57370South DakotaU.S.
2006–102.722.512.68
2010–142.702.512.73
2015–192.672.502.71
2020–242.742.482.65
Change+0.03−0.03−0.03
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The typical household in ZIP 57370 holds 2.74 people, slightly more than the U.S. average of 2.65.

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 57370

Median age, years
PeriodZIP 57370South DakotaU.S.
2006–1038.037.937.7
2010–1441.938.338.6
2015–1938.138.839.6
2020–2443.038.940.1
Change+5.0+1.0+2.3
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The median resident of ZIP 57370 is 43.0 years old, older than the national median of 40.1. Since 2006–10, the median age has climbed from 38.0, 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 ZIP 57370

Single-parent households, % of households
PeriodZIP 57370South DakotaU.S.
2006–1011.2%10.8%12.3%
2010–146.8%11.1%12.3%
2015–1913.6%10.9%11.6%
2020–248.1%10.7%11.6%
Change−3.1 pts−0.1 pts−0.6 pts
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Single-parent households are relatively rare in ZIP 57370: 8.1% 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 ZIP 57370

Renters in ZIP 57370

Renters, % of occupied homes
PeriodZIP 57370South DakotaU.S.
2006–1025.5%31.1%33.3%
2010–1424.2%32.0%35.6%
2015–1937.2%32.0%36.0%
2020–2418.5%31.4%34.8%
Change−7.0 pts+0.3 pts+1.5 pts
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Only 18.5% of households in ZIP 57370 rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 86.2% have no mortgage at all, 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 57370

Vacant homes, % of all homes
PeriodZIP 57370South DakotaU.S.
2006–1022.5%11.3%11.4%
2010–1422.3%10.7%11.4%
2015–1914.6%11.6%11.1%
2020–2414.7%10.3%9.6%
Change−7.9 pts−1.1 pts−1.8 pts
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Vacancy is high in ZIP 57370: 14.7% 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 57370

Age of homes, median year built
PeriodZIP 57370South DakotaU.S.
2006–10196619721974
2010–14196819741975
2015–19197319771977
2020–24196619811980
Change+0+9+6
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ZIP 57370 is a place of older homes: half were built before 1966, while the national median is 1980. That means established neighborhoods, and more houses that may need updating.

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 57370

Rent, per month
PeriodZIP 57370South DakotaU.S.
2006–10$791$631$965
2010–14$685$692$1,040
2015–19$841$798$1,213
2020–24$950$1,000$1,571
Change+$159+$369+$606
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A typical rental in ZIP 57370 costs $950 a month with utilities, well below the national median of $1,571. Rent takes 19.8% 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 57370

Bachelor's degrees in ZIP 57370

Bachelor's degrees, % of adults 25+
PeriodZIP 57370South DakotaU.S.
2006–1014.5%26.8%28.4%
2010–1420.2%27.8%29.6%
2015–1922.3%29.4%32.1%
2020–2417.0%32.5%35.6%
Change+2.5 pts+5.6 pts+7.2 pts
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Fewer adults in ZIP 57370 have a four-year degree than in the country as a whole: 17.0%, against 35.6% nationally.

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 57370

High school graduates, % of adults 25+
PeriodZIP 57370South DakotaU.S.
2006–1079.4%89.9%84.9%
2010–1483.2%91.0%86.1%
2015–1984.9%91.8%87.7%
2020–2491.9%93.1%89.3%
Change+12.5 pts+3.2 pts+4.3 pts
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About nine in ten adults in ZIP 57370 have finished high school (91.9%), a bit above the national rate of 89.3%. The picture is much the same across South Dakota.

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 57370

Unemployment, % of the labor force
PeriodZIP 57370South DakotaU.S.
2006–107.9%4.9%8.1%
2010–142.6%4.9%9.4%
2015–192.3%3.6%5.6%
2020–240.8%3.1%5.4%
Change−7.1 pts−1.7 pts−2.7 pts
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Unemployment in ZIP 57370 has been low: just 0.8% 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 57370 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 573702.7443.08.1%18.5%14.7%1966$95017.0%91.9%0.8%
ZIP 573252.6938.914.4%28.0%12.4%1971$87332.2%89.9%3.2%
ZIP 573652.6342.08.4%22.2%16.6%1984$89030.2%95.7%3.4%
ZIP 573552.3545.96.0%21.2%24.9%1966$86924.7%92.8%0.2%
ZIP 575692.7041.69.1%23.6%17.4%1981$83628.9%94.6%3.3%
ZIP 573832.5343.44.6%23.2%20.3%1955$65016.5%93.0%1.8%
ZIP 575442.3444.94.8%24.1%20.3%1968$67628.1%94.3%1.6%
ZIP 573682.4837.412.7%31.1%13.4%1972$87426.1%93.4%1.3%
ZIP 575682.3649.02.2%15.7%33.1%1968$82133.5%95.0%1.7%
ZIP 573592.5543.02.7%18.6%20.9%1958$74324.6%93.2%1.1%
ZIP 575762.4048.02.9%16.0%32.8%1968$80233.0%94.8%1.7%

All figures 2020–24.

Zip codes with similar populations: 47640, IN · 56385, MN · 55990, MN · 52620, IA · 01270, MA · 52249, IA · 52171, IA · 50542, IA · 50480, IA · 50142, 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 57370. 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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