Population 128 · Census ACS 2020–24
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Median age by neighborhoodHistory and comparison ↓︎
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Population and households in Union Center
Household size in Union Center
| Period | Union Center | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 3.01 | 2.51 | 2.68 |
| 2010–14 | 2.32 | 2.51 | 2.73 |
| 2015–19 | 2.24 | 2.50 | 2.71 |
| 2020–24 | 2.83 | 2.48 | 2.65 |
| Change | −0.18 | −0.03 | −0.03 |
Households in Union Center average 2.83 people, above the national 2.65, so families with children are more common here. Household size has dropped from 3.01 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.
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 Union Center
| Period | Union Center | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 36.0 | 37.9 | 37.7 |
| 2010–14 | 42.3 | 38.3 | 38.6 |
| 2015–19 | 49.1 | 38.8 | 39.6 |
| 2020–24 | 34.0 | 38.9 | 40.1 |
| Change | −2.0 | +1.0 | +2.3 |
With a median age of just 34.0, Union Center is far younger than the country as a whole (40.1), a population that tilts toward young families with children.
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 Union Center
| Period | Union Center | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 7.1% | 10.8% | 12.3% |
| 2010–14 | 5.8% | 11.1% | 12.3% |
| 2015–19 | 2.8% | 10.9% | 11.6% |
| 2020–24 | 3.0% | 10.7% | 11.6% |
| Change | −4.2 pts | −0.1 pts | −0.6 pts |
Single parents head only 3.0% of households in Union Center, 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 Union Center
Renters in Union Center
| Period | Union Center | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 23.0% | 31.1% | 33.3% |
| 2010–14 | 24.8% | 32.0% | 35.6% |
| 2015–19 | 19.8% | 32.0% | 36.0% |
| 2020–24 | 49.8% | 31.4% | 34.8% |
| Change | +26.8 pts | +0.3 pts | +1.5 pts |
Renting is far more common in Union Center than nationally: 49.8% of households rent their homes, against 34.8%. About nine in ten owners (89.6%) have paid off their mortgages, 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 Union Center
| Period | Union Center | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 35.7% | 11.3% | 11.4% |
| 2010–14 | 15.0% | 10.7% | 11.4% |
| 2015–19 | 34.7% | 11.6% | 11.1% |
| 2020–24 | 15.1% | 10.3% | 9.6% |
| Change | −20.6 pts | −1.1 pts | −1.8 pts |
Vacant homes make up 15.1% of the housing in Union Center, 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 Union Center
| Period | Union Center | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 1972 | 1972 | 1974 |
| 2010–14 | 1975 | 1974 | 1975 |
| 2015–19 | 1959 | 1977 | 1977 |
| 2020–24 | 1959 | 1981 | 1980 |
| Change | −13 | +9 | +6 |
Union Center is a place of older homes: half were built before 1959, while the national median is 1980. That means established neighborhoods, and more houses that may need updating.
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 Union Center
| Period | Union Center | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | $924 | $631 | $965 |
| 2010–14 | $842 | $692 | $1,040 |
| 2015–19 | $972 | $798 | $1,213 |
| 2020–24 | $950 | $1,000 | $1,571 |
| Change | +$26 | +$369 | +$606 |
The median renter in Union Center pays $950 a month for rent and utilities, well below the national median of $1,571. Rent takes 18.2% of the typical renter's income, comfortably 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 Union Center
Bachelor's degrees in Union Center
| Period | Union Center | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 12.6% | 26.8% | 28.4% |
| 2010–14 | 21.0% | 27.8% | 29.6% |
| 2015–19 | 25.7% | 29.4% | 32.1% |
| 2020–24 | 26.9% | 32.5% | 35.6% |
| Change | +14.3 pts | +5.6 pts | +7.2 pts |
More than a quarter of adults 25 and older in Union Center (26.9%) have a bachelor's degree or higher, 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 Union Center
| Period | Union Center | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 96.9% | 89.9% | 84.9% |
| 2010–14 | 97.4% | 91.0% | 86.1% |
| 2015–19 | 100.0% | 91.8% | 87.7% |
| 2020–24 | 96.3% | 93.1% | 89.3% |
| Change | −0.6 pts | +3.2 pts | +4.3 pts |
High school completion is high in Union Center: 96.3% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.
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 Union Center
| Period | Union Center | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 7.3% | 4.9% | 8.1% |
| 2010–14 | 2.9% | 4.9% | 9.4% |
| 2015–19 | 2.1% | 3.6% | 5.6% |
| 2020–24 | 2.8% | 3.1% | 5.4% |
| Change | −4.6 pts | −1.7 pts | −2.7 pts |
Unemployment in Union Center has been low: just 2.8% of the labor force was out of work and looking, well below the national rate of 5.4%. The picture is much the same across 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).
Union Center compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Union Center | 2.83 | 34.0 | 3.0% | 49.8% | 15.1% | 1959 | $950 | 26.9% | 96.3% | 2.8% |
| Redowl | 2.83 | 34.0 | 3.0% | 49.8% | 15.1% | 1959 | $950 | 26.9% | 96.3% | 2.8% |
| White Owl | 2.37 | 53.6 | 1.3% | 23.1% | 22.4% | 1978 | $517 | 38.9% | 95.7% | 1.8% |
| Opal | 2.83 | 34.0 | 3.0% | 49.8% | 15.1% | 1959 | $950 | 26.9% | 96.3% | 2.8% |
| Enning | 2.78 | 35.9 | 2.8% | 44.7% | 15.9% | 1961 | $907 | 28.1% | 96.2% | 2.7% |
| Mud Butte | 2.69 | 36.7 | 3.7% | 35.1% | 16.6% | 1963 | $945 | 25.7% | 95.7% | 2.1% |
| Marcus | 2.37 | 53.6 | 1.3% | 23.1% | 22.4% | 1978 | $517 | 38.9% | 95.7% | 1.8% |
| Maurine | 2.60 | 37.9 | 4.1% | 30.1% | 18.8% | 1964 | $890 | 27.8% | 96.1% | 1.8% |
| Hereford | 2.83 | 33.9 | 3.1% | 50.4% | 15.1% | 1959 | $956 | 26.8% | 96.2% | 2.7% |
| Plainview | 2.37 | 53.6 | 1.3% | 23.1% | 22.4% | 1978 | $517 | 38.9% | 95.7% | 1.8% |
| Volunteer | 2.80 | 34.8 | 3.1% | 46.6% | 15.3% | 1960 | $949 | 26.5% | 96.0% | 2.6% |
All figures 2020–24.
Cities with similar populations: Bluff City, KY · Wirt, MN · Willis Wharf, VA · Willamar, TX · Wildwood, VA · Bridgeway, WV · Brereton, IL · Brandonville, WV · Braggadocio, MO · Bradley, MS
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 Union Center. 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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