Population 132 · Census ACS 2020–24
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Population and households in ZIP 57420
Household size in ZIP 57420
| Period | ZIP 57420 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 2.33 | 2.51 | 2.68 |
| 2010–14 | 2.41 | 2.51 | 2.73 |
| 2015–19 | 2.60 | 2.50 | 2.71 |
| 2020–24 | 2.45 | 2.48 | 2.65 |
| Change | +0.12 | −0.03 | −0.03 |
Households in ZIP 57420 run small, averaging 2.45 people against 2.65 nationally, which usually means more singles and couples and fewer children. That is in line with the rest of South Dakota. Since 2006–10, household size has climbed from 2.33, but in a place this small, survey estimates can swing a lot from one release to the next.
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 57420
| Period | ZIP 57420 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 46.0 | 37.9 | 37.7 |
| 2010–14 | 48.1 | 38.3 | 38.6 |
| 2015–19 | 38.4 | 38.8 | 39.6 |
| 2020–24 | 39.9 | 38.9 | 40.1 |
| Change | −6.1 | +1.0 | +2.3 |
Half of the people in ZIP 57420 are younger than 39.9 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 57420
| Period | ZIP 57420 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 4.4% | 10.8% | 12.3% |
| 2010–14 | 5.1% | 11.1% | 12.3% |
| 2015–19 | 1.4% | 10.9% | 11.6% |
| 2020–24 | 1.2% | 10.7% | 11.6% |
| Change | −3.2 pts | −0.1 pts | −0.6 pts |
Single parents head only 1.2% of households in ZIP 57420, well below the national share of 11.6%.
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 57420
Renters in ZIP 57420
| Period | ZIP 57420 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 13.8% | 31.1% | 33.3% |
| 2010–14 | 22.5% | 32.0% | 35.6% |
| 2015–19 | 5.7% | 32.0% | 36.0% |
| 2020–24 | 19.2% | 31.4% | 34.8% |
| Change | +5.4 pts | +0.3 pts | +1.5 pts |
ZIP 57420 is largely a place of homeowners: only 19.2% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 61.8% 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 57420
| Period | ZIP 57420 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 44.5% | 11.3% | 11.4% |
| 2010–14 | 43.8% | 10.7% | 11.4% |
| 2015–19 | 47.5% | 11.6% | 11.1% |
| 2020–24 | 34.0% | 10.3% | 9.6% |
| Change | −10.5 pts | −1.1 pts | −1.8 pts |
Vacancy is high in ZIP 57420: 34.0% 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 57420
| Period | ZIP 57420 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 1959 | 1972 | 1974 |
| 2010–14 | 1962 | 1974 | 1975 |
| 2015–19 | 1962 | 1977 | 1977 |
| 2020–24 | 1977 | 1981 | 1980 |
| Change | +18 | +9 | +6 |
Homes in ZIP 57420 are about the same age as the nation's housing: the median home was built in 1977, versus 1980 nationally. Homes here are older than in South Dakota overall, where the median home dates to 1981.
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 57420
| Period | ZIP 57420 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | $482 | $631 | $965 |
| 2010–14 | $781 | $692 | $1,040 |
| 2015–19 | $817 | $798 | $1,213 |
| 2020–24 | $825 | $1,000 | $1,571 |
| Change | +$343 | +$369 | +$606 |
Rent in ZIP 57420 runs $825 a month at the median, utilities included, well below the U.S. median of $1,571. The typical renter here spends 40.0% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched.
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 57420
Bachelor's degrees in ZIP 57420
| Period | ZIP 57420 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 20.8% | 26.8% | 28.4% |
| 2010–14 | 19.6% | 27.8% | 29.6% |
| 2015–19 | 25.2% | 29.4% | 32.1% |
| 2020–24 | 26.1% | 32.5% | 35.6% |
| Change | +5.3 pts | +5.6 pts | +7.2 pts |
College degrees are less common in ZIP 57420 than nationally: 26.1% of adults 25 and older have a bachelor's or higher, against 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 57420
| Period | ZIP 57420 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 87.7% | 89.9% | 84.9% |
| 2010–14 | 90.0% | 91.0% | 86.1% |
| 2015–19 | 96.0% | 91.8% | 87.7% |
| 2020–24 | 91.0% | 93.1% | 89.3% |
| Change | +3.4 pts | +3.2 pts | +4.3 pts |
High school completion in ZIP 57420 is a bit above the national rate: 91.0% of adults have a diploma or equivalent, against 89.3%. Even so, the rate is lower than in South Dakota overall (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 57420
| Period | ZIP 57420 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 2.0% | 4.9% | 8.1% |
| 2010–14 | 2.3% | 4.9% | 9.4% |
| 2015–19 | 0.0% | 3.6% | 5.6% |
| 2020–24 | 10.3% | 3.1% | 5.4% |
| Change | +8.2 pts | −1.7 pts | −2.7 pts |
Unemployment in ZIP 57420 runs well above the national rate: 10.3% of the labor force was out of work and looking, against 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 57420 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 57420 | 2.45 | 39.9 | 1.2% | 19.2% | 34.0% | 1977 | $825 | 26.1% | 91.0% | 10.3% |
| ZIP 57472 | 2.22 | 46.2 | 3.2% | 18.6% | 11.5% | 1966 | $730 | 17.8% | 83.2% | 6.2% |
| ZIP 57450 | 2.39 | 46.1 | 4.2% | 17.0% | 44.3% | 1981 | $976 | 25.6% | 96.4% | 4.7% |
| ZIP 57428 | 2.24 | 44.8 | 4.2% | 21.3% | 26.3% | 1959 | $773 | 28.6% | 94.2% | 1.4% |
| ZIP 57475 | 2.32 | 47.5 | 3.9% | 12.2% | 39.6% | 1976 | $945 | 23.5% | 96.7% | 2.5% |
| ZIP 57466 | 2.28 | 49.2 | 1.9% | 6.6% | 14.9% | 1958 | $770 | 26.7% | 96.5% | 0.6% |
| ZIP 57657 | 3.07 | 30.0 | 21.5% | 37.3% | 12.9% | 1978 | $528 | 16.1% | 87.9% | 20.8% |
| ZIP 57661 | 2.63 | 30.8 | 13.4% | 31.7% | 9.9% | 1972 | $643 | 20.4% | 92.1% | 9.1% |
| ZIP 57630 | 2.63 | 30.8 | 13.4% | 31.7% | 9.9% | 1972 | $643 | 20.4% | 92.1% | 9.1% |
| ZIP 57471 | 2.20 | 47.4 | 2.1% | 7.9% | 20.0% | 1961 | $812 | 21.1% | 94.2% | 0.3% |
| ZIP 57656 | 2.68 | 30.7 | 14.4% | 32.3% | 10.2% | 1973 | $629 | 19.9% | 91.6% | 10.5% |
All figures 2020–24.
Zip codes with similar populations: 74761, OK · 54980, WI · 55766, MN · 55772, MN · 55950, MN · 56565, MN · 57197, SD · 57792, SD · 58345, ND · 59736, MT
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 57420. 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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