Population 7,533 · Census ACS 2020–24
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Population and households in ZIP 57718
Household size in ZIP 57718
| Period | ZIP 57718 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 2.68 | 2.51 | 2.68 |
| 2010–14 | 2.63 | 2.51 | 2.73 |
| 2015–19 | 2.47 | 2.50 | 2.71 |
| 2020–24 | 2.43 | 2.48 | 2.65 |
| Change | −0.25 | −0.03 | −0.03 |
The average household in ZIP 57718 has 2.43 people, under the U.S. average of 2.65. Household size has dropped from 2.68 in 2006–10, a much bigger shift than nationally. The biggest households, usually families with children, are concentrated in the north.
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 57718
| Period | ZIP 57718 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 34.3 | 37.9 | 37.7 |
| 2010–14 | 36.1 | 38.3 | 38.6 |
| 2015–19 | 38.3 | 38.8 | 39.6 |
| 2020–24 | 44.3 | 38.9 | 40.1 |
| Change | +10.0 | +1.0 | +2.3 |
With a median age of 44.3, ZIP 57718 is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. The median age has climbed from 34.3 in 2006–10, a much bigger shift than nationally. Residents skew youngest in the north and oldest in the west.
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 57718
| Period | ZIP 57718 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 10.5% | 10.8% | 12.3% |
| 2010–14 | 10.9% | 11.1% | 12.3% |
| 2015–19 | 7.6% | 10.9% | 11.6% |
| 2020–24 | 5.5% | 10.7% | 11.6% |
| Change | −5.0 pts | −0.1 pts | −0.6 pts |
Single parents head only 5.5% of households in ZIP 57718, well below the national share of 11.6%. The single-parent share is down 5.0 points from 2006–10, a much bigger shift than nationally. Of the 35 South Dakota ZIP codes with 5,000+ people, only two have a lower share of single-parent households.
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 57718
Renters in ZIP 57718
| Period | ZIP 57718 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 12.0% | 31.1% | 33.3% |
| 2010–14 | 13.8% | 32.0% | 35.6% |
| 2015–19 | 9.0% | 32.0% | 36.0% |
| 2020–24 | 12.0% | 31.4% | 34.8% |
| Change | +0.0 pts | +0.3 pts | +1.5 pts |
ZIP 57718 is overwhelmingly a place of homeowners: only 12.0% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. More than four in ten owners (43.5%) have paid off their mortgages, above the national share of 39.8%. No other South Dakota ZIP code with 5,000+ people has a lower share of renters.
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 57718
| Period | ZIP 57718 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 8.2% | 11.3% | 11.4% |
| 2010–14 | 7.7% | 10.7% | 11.4% |
| 2015–19 | 5.1% | 11.6% | 11.1% |
| 2020–24 | 1.5% | 10.3% | 9.6% |
| Change | −6.7 pts | −1.1 pts | −1.8 pts |
Only 1.5% of homes in ZIP 57718 are vacant, far below the national rate of 9.6%, which usually means strong demand for housing. Since 2006–10, vacancy has fallen 6.7 points, a much bigger shift than nationally. No other South Dakota ZIP code with 5,000+ people has 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 57718
| Period | ZIP 57718 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 1989 | 1972 | 1974 |
| 2010–14 | 1991 | 1974 | 1975 |
| 2015–19 | 1992 | 1977 | 1977 |
| 2020–24 | 1992 | 1981 | 1980 |
| Change | +3 | +9 | +6 |
Much of the housing in ZIP 57718 is relatively new: half of its homes were built after 1992, compared with 1980 for the U.S. as a whole. The newest homes are mostly in the north, the oldest in the south.
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 57718
| Period | ZIP 57718 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | $762 | $631 | $965 |
| 2010–14 | $808 | $692 | $1,040 |
| 2015–19 | $1,158 | $798 | $1,213 |
| 2020–24 | $1,157 | $1,000 | $1,571 |
| Change | +$395 | +$369 | +$606 |
Rent in ZIP 57718 runs $1,157 a month at the median, utilities included, well below the U.S. median of $1,571. Even so, rents here are higher than in South Dakota as a whole ($1,000). Rents are up $395 a month from 2006–10, a 52% rise, a slower climb than the nation's. The typical renter here spends 26.7% 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 57718
Bachelor's degrees in ZIP 57718
| Period | ZIP 57718 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 23.1% | 26.8% | 28.4% |
| 2010–14 | 24.2% | 27.8% | 29.6% |
| 2015–19 | 30.7% | 29.4% | 32.1% |
| 2020–24 | 26.6% | 32.5% | 35.6% |
| Change | +3.5 pts | +5.6 pts | +7.2 pts |
Just over a quarter of adults 25 and older in ZIP 57718 (26.6%) have a bachelor's degree or higher, below the national share of 35.6%. Since 2006–10, the share with a degree has risen 3.5 points, mirroring the country. College graduates are most concentrated in the west and least in the south.
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 57718
| Period | ZIP 57718 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 96.5% | 89.9% | 84.9% |
| 2010–14 | 94.1% | 91.0% | 86.1% |
| 2015–19 | 95.3% | 91.8% | 87.7% |
| 2020–24 | 97.5% | 93.1% | 89.3% |
| Change | +1.0 pts | +3.2 pts | +4.3 pts |
Finishing high school is nearly universal in ZIP 57718: 97.5% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. Since 2006–10, the share with a diploma has edged up 1.0 points, a smaller shift than nationally. Only two of the 35 South Dakota ZIP codes with 5,000+ people have a higher share of high school graduates.
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 57718
| Period | ZIP 57718 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 3.9% | 4.9% | 8.1% |
| 2010–14 | 3.6% | 4.9% | 9.4% |
| 2015–19 | 3.0% | 3.6% | 5.6% |
| 2020–24 | 3.4% | 3.1% | 5.4% |
| Change | −0.5 pts | −1.7 pts | −2.7 pts |
Unemployment in ZIP 57718 runs below the national rate: 3.4% of the labor force was out of work and looking, against 5.4% nationally. 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 57718 compared with nearby ZIP codes
| ZIP code | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| ZIP 57718 | 2.43 | 44.3 | 5.5% | 12.0% | 1.5% | 1992 | $1,157 | 26.6% | 97.5% | 3.4% |
| ZIP 57769 | 2.48 | 42.5 | 9.1% | 12.7% | 8.0% | 1994 | $1,074 | 29.4% | 96.7% | 1.8% |
| ZIP 57702 | 2.32 | 46.7 | 7.4% | 27.2% | 9.0% | 1982 | $1,334 | 50.3% | 97.0% | 2.7% |
| ZIP 57701 | 2.35 | 38.0 | 13.5% | 39.2% | 10.6% | 1980 | $1,060 | 29.5% | 93.3% | 3.2% |
| ZIP 57703 | 2.48 | 38.6 | 6.8% | 18.4% | 9.3% | 1998 | $1,382 | 23.8% | 94.2% | 4.1% |
| ZIP 57759 | 1.77 | 65.8 | 1.4% | 3.6% | 41.0% | 2001 | $938 | 24.1% | 93.3% | 0.0% |
| ZIP 57706 | 2.77 | 24.1 | 11.3% | 92.2% | 12.2% | 2002 | $1,613 | 31.9% | 95.3% | 2.1% |
| ZIP 57719 | 2.85 | 32.6 | 12.1% | 33.3% | 9.5% | 1997 | $1,400 | 25.4% | 90.7% | 6.1% |
| ZIP 57761 | 2.85 | 43.4 | 4.3% | 23.8% | 15.3% | 1981 | $902 | 24.5% | 94.6% | 3.5% |
| ZIP 57767 | 2.57 | 45.0 | 2.7% | 19.8% | 14.3% | 1982 | $730 | 34.4% | 96.4% | 0.9% |
| ZIP 57791 | 2.58 | 44.4 | 2.8% | 19.5% | 13.7% | 1982 | $746 | 34.1% | 96.5% | 0.8% |
All figures 2020–24.
Zip codes with similar populations: 81635, CO · 19939, DE · 20711, MD · 20759, MD · 21120, MD · 32266, FL · 35151, AL · 37330, TN · 37887, TN · 40202, 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 57718. 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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