57106, SD Demographics

Population 51,789 · Census ACS 2020–24

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57106, SD map of median age by neighborhood
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Population and households in ZIP 57106

Household size in ZIP 57106

Household size, people per household
PeriodZIP 57106South DakotaU.S.
2006–102.522.512.68
2010–142.492.512.73
2015–192.522.502.71
2020–242.392.482.65
Change−0.13−0.03−0.03
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Households in ZIP 57106 are small: just 2.39 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. Since 2006–10, household size has dropped from 2.52, a much bigger shift than nationally.

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 57106

Median age, years
PeriodZIP 57106South DakotaU.S.
2006–1032.737.937.7
2010–1435.338.338.6
2015–1936.138.839.6
2020–2434.838.940.1
Change+2.1+1.0+2.3
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ZIP 57106 is young: half of its residents are under 34.8, compared with a national median of 40.1. The population tilts toward young adults, many of them living alone or as couples. Since 2006–10, the median age has climbed from 32.7, mirroring the country.

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 57106

Single-parent households, % of households
PeriodZIP 57106South DakotaU.S.
2006–1011.1%10.8%12.3%
2010–148.4%11.1%12.3%
2015–1911.1%10.9%11.6%
2020–2412.5%10.7%11.6%
Change+1.3 pts−0.1 pts−0.6 pts
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Single-parent households are about as common in ZIP 57106 as they are nationally: 12.5%, against 11.6%. Single parents are more common here than in South Dakota overall (10.7%). The single-parent share is up 1.3 points from 2006–10, even as the national share fell.

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 57106

Renters in ZIP 57106

Renters, % of occupied homes
PeriodZIP 57106South DakotaU.S.
2006–1037.6%31.1%33.3%
2010–1437.9%32.0%35.6%
2015–1937.6%32.0%36.0%
2020–2441.5%31.4%34.8%
Change+4.0 pts+0.3 pts+1.5 pts
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Renting is more common in ZIP 57106 than nationally: 41.5% of households rent their homes, against 34.8% for the U.S. Among owners, 38.5% have paid off their mortgages, about the same as nationally. Rentals cluster in the east; owners are most common in the north. Since 2006–10, the renter share has risen 4.0 points, as it has nationally.

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 57106

Vacant homes, % of all homes
PeriodZIP 57106South DakotaU.S.
2006–105.3%11.3%11.4%
2010–145.3%10.7%11.4%
2015–194.1%11.6%11.1%
2020–242.6%10.3%9.6%
Change−2.6 pts−1.1 pts−1.8 pts
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Only 2.6% of homes in ZIP 57106 are vacant, far below the national rate of 9.6%, which usually means strong demand for housing. Vacancy has fallen 2.6 points since 2006–10, mirroring the country. Of the 35 South Dakota ZIP codes with 5,000+ people, only three have a lower vacancy rate.

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 57106

Age of homes, median year built
PeriodZIP 57106South DakotaU.S.
2006–10199319721974
2010–14199519741975
2015–19199619771977
2020–24199719811980
Change+4+9+6
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Much of the housing in ZIP 57106 is relatively new: half of its homes were built after 1997, compared with 1980 for the U.S. as a whole. The median year built has moved up from 1993 in 2006–10, a sign of steady new building. Newer construction is concentrated in the northwest, while the east has the oldest housing.

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 57106

Rent, per month
PeriodZIP 57106South DakotaU.S.
2006–10$866$631$965
2010–14$926$692$1,040
2015–19$1,048$798$1,213
2020–24$1,150$1,000$1,571
Change+$284+$369+$606
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A typical rental in ZIP 57106 costs $1,150 a month with utilities, well below the national median of $1,571. Still, rents here are higher than in South Dakota as a whole ($1,000). Rents are up $284 a month from 2006–10, a 33% rise, a slower climb than the nation's. Rent takes 27.1% of the typical renter's income, just 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 57106

Bachelor's degrees in ZIP 57106

Bachelor's degrees, % of adults 25+
PeriodZIP 57106South DakotaU.S.
2006–1034.8%26.8%28.4%
2010–1435.6%27.8%29.6%
2015–1937.2%29.4%32.1%
2020–2435.4%32.5%35.6%
Change+0.6 pts+5.6 pts+7.2 pts
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College degrees are about as common in ZIP 57106 as nationally: 35.4% of adults 25 and older have a bachelor's or higher, against 35.6%. The share with a degree has edged up 0.6 points since 2006–10, a smaller shift than nationally. College graduates are most concentrated in the west and least in the east.

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 57106

High school graduates, % of adults 25+
PeriodZIP 57106South DakotaU.S.
2006–1094.6%89.9%84.9%
2010–1493.6%91.0%86.1%
2015–1994.8%91.8%87.7%
2020–2493.0%93.1%89.3%
Change−1.6 pts+3.2 pts+4.3 pts
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High school completion in ZIP 57106 is above the national rate: 93.0% of adults have a diploma, against 89.3%. The picture is much the same across South Dakota. The share with a diploma has fallen 1.6 points since 2006–10, even as the national rate rose.

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 57106

Unemployment, % of the labor force
PeriodZIP 57106South DakotaU.S.
2006–102.2%4.9%8.1%
2010–143.5%4.9%9.4%
2015–192.4%3.6%5.6%
2020–242.6%3.1%5.4%
Change+0.4 pts−1.7 pts−2.7 pts
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The job market in ZIP 57106 has been strong: just 2.6% of the labor force was out of work and looking, well below the national rate of 5.4%. That is in line with the rest of South Dakota. 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 57106 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 571062.3934.812.5%41.5%2.6%1997$1,15035.4%93.0%2.6%
ZIP 571972.5121.820.4%28.7%12.5%1953$94334.5%94.4%1.0%
ZIP 571052.2139.410.7%35.7%7.9%1961$1,10343.8%95.9%1.6%
ZIP 571072.3633.412.4%33.2%3.4%1999$1,28128.8%90.3%3.4%
ZIP 571082.4236.810.7%38.4%2.2%2009$1,31354.2%97.4%1.4%
ZIP 571042.1735.314.0%53.3%12.6%1967$99725.1%90.6%2.2%
ZIP 570643.0932.314.0%17.6%7.1%2002$1,20943.4%98.6%1.9%
ZIP 571032.4238.811.3%34.5%7.9%1977$99933.3%89.4%3.6%
ZIP 571102.4835.68.3%35.1%4.8%2006$1,07346.0%93.7%1.2%
ZIP 570322.8232.911.9%18.4%4.8%2007$1,39043.7%96.1%1.0%
ZIP 570332.7239.510.8%15.9%2.4%1989$98033.6%97.5%1.5%

All figures 2020–24.

Zip codes with similar populations: 49424, MI · 92113, CA · 90638, CA · 74055, OK · 73072, OK · 72034, AR · 60649, IL · 60126, IL · 55379, MN · 55337, MN

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 57106. 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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