Population 23,608 · Census ACS 2020–24
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Population and households in ZIP 57105
Household size in ZIP 57105
| Period | ZIP 57105 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 2.13 | 2.51 | 2.68 |
| 2010–14 | 2.30 | 2.51 | 2.73 |
| 2015–19 | 2.16 | 2.50 | 2.71 |
| 2020–24 | 2.21 | 2.48 | 2.65 |
| Change | +0.08 | −0.03 | −0.03 |
ZIP 57105 is a place of small households, averaging 2.21 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has crept up from 2.13 in 2006–10, even as the national average fell. The biggest households, usually families with children, are concentrated in the southeast.
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 57105
| Period | ZIP 57105 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 40.8 | 37.9 | 37.7 |
| 2010–14 | 37.7 | 38.3 | 38.6 |
| 2015–19 | 38.2 | 38.8 | 39.6 |
| 2020–24 | 39.4 | 38.9 | 40.1 |
| Change | −1.4 | +1.0 | +2.3 |
Half of the people in ZIP 57105 are younger than 39.4 and half are older, close to the national median of 40.1. Since 2006–10, the median age has dropped from 40.8, even as the national median rose. The youngest areas are in the north, the oldest in the southeast.
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 57105
| Period | ZIP 57105 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 9.3% | 10.8% | 12.3% |
| 2010–14 | 10.4% | 11.1% | 12.3% |
| 2015–19 | 12.9% | 10.9% | 11.6% |
| 2020–24 | 10.7% | 10.7% | 11.6% |
| Change | +1.4 pts | −0.1 pts | −0.6 pts |
Single parents head just over one in ten households in ZIP 57105 (10.7%), close to the national share of 11.6%. Since 2006–10, the single-parent share has edged up 1.4 points, 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 57105
Renters in ZIP 57105
| Period | ZIP 57105 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 31.4% | 31.1% | 33.3% |
| 2010–14 | 38.4% | 32.0% | 35.6% |
| 2015–19 | 37.7% | 32.0% | 36.0% |
| 2020–24 | 35.7% | 31.4% | 34.8% |
| Change | +4.3 pts | +0.3 pts | +1.5 pts |
Renting in ZIP 57105 is about as common as it is nationally: 35.7% of households rent, against 34.8%. Renters make up a bigger share here than in South Dakota as a whole (31.4%). Among owners, 36.6% have paid off their mortgages, below the national share of 39.8%. The renter share has risen 4.3 points since 2006–10, 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 57105
| Period | ZIP 57105 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 10.4% | 11.3% | 11.4% |
| 2010–14 | 9.7% | 10.7% | 11.4% |
| 2015–19 | 8.3% | 11.6% | 11.1% |
| 2020–24 | 7.9% | 10.3% | 9.6% |
| Change | −2.5 pts | −1.1 pts | −1.8 pts |
Fewer homes sit empty in ZIP 57105 than nationally: 7.9%, against 9.6% for the U.S. Vacancy has fallen 2.5 points since 2006–10, in line with the national trend.
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 57105
| Period | ZIP 57105 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 1959 | 1972 | 1974 |
| 2010–14 | 1958 | 1974 | 1975 |
| 2015–19 | 1958 | 1977 | 1977 |
| 2020–24 | 1961 | 1981 | 1980 |
| Change | +2 | +9 | +6 |
ZIP 57105 is a place of older homes: half were built before 1961, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The newest homes are mostly in the southeast, the oldest in the northeast. Only one other South Dakota ZIP code with 5,000+ people has older homes.
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 57105
| Period | ZIP 57105 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | $791 | $631 | $965 |
| 2010–14 | $768 | $692 | $1,040 |
| 2015–19 | $880 | $798 | $1,213 |
| 2020–24 | $1,103 | $1,000 | $1,571 |
| Change | +$312 | +$369 | +$606 |
The median renter in ZIP 57105 pays $1,103 a month for rent and utilities, well below the national median of $1,571. Even so, rents here are higher than in South Dakota as a whole ($1,000). Rent has climbed $312 a month since 2006–10, up 39%, a slower climb than the nation's. The typical renter here spends 24.3% 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 57105
Bachelor's degrees in ZIP 57105
| Period | ZIP 57105 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 40.8% | 26.8% | 28.4% |
| 2010–14 | 37.1% | 27.8% | 29.6% |
| 2015–19 | 41.1% | 29.4% | 32.1% |
| 2020–24 | 43.8% | 32.5% | 35.6% |
| Change | +3.0 pts | +5.6 pts | +7.2 pts |
More than four in ten adults 25 and older in ZIP 57105 (43.8%) have a bachelor's degree or higher, above the national share of 35.6%. Since 2006–10, the share with a degree has risen 3.0 points, mirroring the country. College graduates are most concentrated in the center 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 57105
| Period | ZIP 57105 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 93.7% | 89.9% | 84.9% |
| 2010–14 | 96.1% | 91.0% | 86.1% |
| 2015–19 | 96.5% | 91.8% | 87.7% |
| 2020–24 | 95.9% | 93.1% | 89.3% |
| Change | +2.2 pts | +3.2 pts | +4.3 pts |
High school completion is high in ZIP 57105: 95.9% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The share with a diploma has risen 2.2 points since 2006–10, as it has nationally.
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 57105
| Period | ZIP 57105 | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 4.1% | 4.9% | 8.1% |
| 2010–14 | 3.1% | 4.9% | 9.4% |
| 2015–19 | 3.4% | 3.6% | 5.6% |
| 2020–24 | 1.6% | 3.1% | 5.4% |
| Change | −2.4 pts | −1.7 pts | −2.7 pts |
The job market in ZIP 57105 has been strong: just 1.6% of the labor force was out of work and looking, well below the national rate of 5.4%. Unemployment is down 2.4 points from 2006–10, in line with the national trend. 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 57105 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 57105 | 2.21 | 39.4 | 10.7% | 35.7% | 7.9% | 1961 | $1,103 | 43.8% | 95.9% | 1.6% |
| ZIP 57197 | 2.51 | 21.8 | 20.4% | 28.7% | 12.5% | 1953 | $943 | 34.5% | 94.4% | 1.0% |
| ZIP 57103 | 2.42 | 38.8 | 11.3% | 34.5% | 7.9% | 1977 | $999 | 33.3% | 89.4% | 3.6% |
| ZIP 57104 | 2.17 | 35.3 | 14.0% | 53.3% | 12.6% | 1967 | $997 | 25.1% | 90.6% | 2.2% |
| ZIP 57108 | 2.42 | 36.8 | 10.7% | 38.4% | 2.2% | 2009 | $1,313 | 54.2% | 97.4% | 1.4% |
| ZIP 57106 | 2.39 | 34.8 | 12.5% | 41.5% | 2.6% | 1997 | $1,150 | 35.4% | 93.0% | 2.6% |
| ZIP 57110 | 2.48 | 35.6 | 8.3% | 35.1% | 4.8% | 2006 | $1,073 | 46.0% | 93.7% | 1.2% |
| ZIP 57107 | 2.36 | 33.4 | 12.4% | 33.2% | 3.4% | 1999 | $1,281 | 28.8% | 90.3% | 3.4% |
| ZIP 57032 | 2.82 | 32.9 | 11.9% | 18.4% | 4.8% | 2007 | $1,390 | 43.7% | 96.1% | 1.0% |
| ZIP 57064 | 3.09 | 32.3 | 14.0% | 17.6% | 7.1% | 2002 | $1,209 | 43.4% | 98.6% | 1.9% |
| ZIP 57005 | 2.75 | 38.5 | 9.1% | 17.7% | 5.1% | 1994 | $1,014 | 42.4% | 97.4% | 1.4% |
All figures 2020–24.
Zip codes with similar populations: 14216, NY · 17545, PA · 18411, PA · 19006, PA · 19348, PA · 77551, TX · 85737, AZ · 71292, LA · 70124, LA · 67218, KS
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 57105. 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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