57330, SD Demographics

Population 490 · Census ACS 2020–24

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57330, SD map of median age by neighborhood
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Population and households in ZIP 57330

Household size in ZIP 57330

Household size, people per household
PeriodZIP 57330South DakotaU.S.
2006–103.012.512.68
2010–142.402.512.73
2015–192.812.502.71
2020–242.972.482.65
Change−0.05−0.03−0.03
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ZIP 57330 is a place of big households: 2.97 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids.

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 57330

Median age, years
PeriodZIP 57330South DakotaU.S.
2006–1039.237.937.7
2010–1447.238.338.6
2015–1937.538.839.6
2020–2439.538.940.1
Change+0.3+1.0+2.3
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Half of the people in ZIP 57330 are younger than 39.5 and half are older, close to the national median of 40.1.

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 57330

Single-parent households, % of households
PeriodZIP 57330South DakotaU.S.
2006–1010.4%10.8%12.3%
2010–143.3%11.1%12.3%
2015–194.5%10.9%11.6%
2020–245.9%10.7%11.6%
Change−4.5 pts−0.1 pts−0.6 pts
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Single parents head only 5.9% of households in ZIP 57330, well below the national share of 11.6%. The single-parent share is down 4.5 points from 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.

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 57330

Renters in ZIP 57330

Renters, % of occupied homes
PeriodZIP 57330South DakotaU.S.
2006–1025.8%31.1%33.3%
2010–1417.7%32.0%35.6%
2015–1910.8%32.0%36.0%
2020–2417.6%31.4%34.8%
Change−8.1 pts+0.3 pts+1.5 pts
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ZIP 57330 is largely a place of homeowners: only 17.6% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 69.3% 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 57330

Vacant homes, % of all homes
PeriodZIP 57330South DakotaU.S.
2006–1015.8%11.3%11.4%
2010–1413.0%10.7%11.4%
2015–1915.8%11.6%11.1%
2020–2418.6%10.3%9.6%
Change+2.8 pts−1.1 pts−1.8 pts
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Vacant homes make up 18.6% of the housing in ZIP 57330, 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 57330

Age of homes, median year built
PeriodZIP 57330South DakotaU.S.
2006–10194419721974
2010–14194519741975
2015–19195119771977
2020–24195419811980
Change+10+9+6
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The housing in ZIP 57330 is old by national standards: the median home dates to 1954, 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 57330

Rent, per month
PeriodZIP 57330South DakotaU.S.
2006–10$380$631$965
2010–14$636$692$1,040
2015–19$567$798$1,213
2020–24$914$1,000$1,571
Change+$534+$369+$606
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The median renter in ZIP 57330 pays $914 a month for rent and utilities, well below the national median of $1,571. The typical renter here spends 15.2% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.

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 57330

Bachelor's degrees in ZIP 57330

Bachelor's degrees, % of adults 25+
PeriodZIP 57330South DakotaU.S.
2006–1013.7%26.8%28.4%
2010–1420.0%27.8%29.6%
2015–1918.3%29.4%32.1%
2020–2423.6%32.5%35.6%
Change+9.8 pts+5.6 pts+7.2 pts
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College degrees are relatively uncommon in ZIP 57330: 23.6% 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 57330

High school graduates, % of adults 25+
PeriodZIP 57330South DakotaU.S.
2006–1072.9%89.9%84.9%
2010–1487.8%91.0%86.1%
2015–1991.1%91.8%87.7%
2020–2492.4%93.1%89.3%
Change+19.5 pts+3.2 pts+4.3 pts
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High school completion in ZIP 57330 is a bit above the national rate: 92.4% of adults have a diploma or equivalent, against 89.3%. South Dakota as a whole looks much the same.

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 57330

Unemployment, % of the labor force
PeriodZIP 57330South DakotaU.S.
2006–105.4%4.9%8.1%
2010–142.6%4.9%9.4%
2015–191.7%3.6%5.6%
2020–240.9%3.1%5.4%
Change−4.5 pts−1.7 pts−2.7 pts
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The job market in ZIP 57330 has been strong: just 0.9% 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 57330 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 573302.9739.55.9%17.6%18.6%1954$91423.6%92.4%0.9%
ZIP 573762.0847.39.4%26.9%11.8%1954$53328.8%86.7%0.2%
ZIP 573132.3346.36.7%22.2%16.6%1952$86527.9%91.1%1.1%
ZIP 573542.4943.83.1%12.8%11.3%1964$91741.5%98.0%0.0%
ZIP 573563.0936.915.0%25.6%23.8%1968$72225.8%88.8%8.1%
ZIP 570592.3639.19.9%22.5%13.1%1960$66828.1%95.5%0.3%
ZIP 570522.4843.93.1%13.2%11.4%1964$90741.1%97.9%0.0%
ZIP 573422.9936.32.2%11.1%13.1%1978$89534.0%97.2%0.7%
ZIP 570452.4044.93.8%21.7%14.2%1959$53328.1%94.1%1.1%
ZIP 570292.6740.76.4%20.0%12.2%1959$74429.5%94.0%1.8%
ZIP 575382.4948.92.7%18.3%33.9%1959$52724.4%94.5%1.7%

All figures 2020–24.

Zip codes with similar populations: 26691, WV · 79255, TX · 79018, TX · 77458, TX · 33856, FL · 33438, FL · 32307, FL · 31722, GA · 31630, GA · 30708, GA

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 57330. 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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