Population 759 · Census ACS 2020–24
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Population and households in Oacoma
Household size in Oacoma
| Period | Oacoma | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 2.28 | 2.51 | 2.68 |
| 2010–14 | 2.39 | 2.51 | 2.73 |
| 2015–19 | 2.16 | 2.50 | 2.71 |
| 2020–24 | 2.65 | 2.48 | 2.65 |
| Change | +0.37 | −0.03 | −0.03 |
At 2.65 people per household, Oacoma sits right at the national average. The typical household here is bigger than in South Dakota overall, where it has 2.48 people. Since 2006–10, household size has climbed from 2.28, 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 Oacoma
| Period | Oacoma | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 43.4 | 37.9 | 37.7 |
| 2010–14 | 45.7 | 38.3 | 38.6 |
| 2015–19 | 51.2 | 38.8 | 39.6 |
| 2020–24 | 41.4 | 38.9 | 40.1 |
| Change | −2.1 | +1.0 | +2.3 |
Half of the people in Oacoma are younger than 41.4 and half are older, close to the national median of 40.1. The population here is older than in South Dakota overall, where the median age is 38.9.
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 Oacoma
| Period | Oacoma | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 8.8% | 10.8% | 12.3% |
| 2010–14 | 8.3% | 11.1% | 12.3% |
| 2015–19 | 5.3% | 10.9% | 11.6% |
| 2020–24 | 8.9% | 10.7% | 11.6% |
| Change | +0.1 pts | −0.1 pts | −0.6 pts |
Single-parent households are less common in Oacoma than nationally: 8.9%, against 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 Oacoma
Renters in Oacoma
| Period | Oacoma | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 31.4% | 31.1% | 33.3% |
| 2010–14 | 16.1% | 32.0% | 35.6% |
| 2015–19 | 17.4% | 32.0% | 36.0% |
| 2020–24 | 22.2% | 31.4% | 34.8% |
| Change | −9.2 pts | +0.3 pts | +1.5 pts |
Oacoma is largely a place of homeowners: only 22.2% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Nearly two-thirds of owners (63.8%) 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 Oacoma
| Period | Oacoma | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 14.7% | 11.3% | 11.4% |
| 2010–14 | 17.2% | 10.7% | 11.4% |
| 2015–19 | 14.5% | 11.6% | 11.1% |
| 2020–24 | 16.0% | 10.3% | 9.6% |
| Change | +1.3 pts | −1.1 pts | −1.8 pts |
Vacant homes make up 16.0% of the housing in Oacoma, 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 Oacoma
| Period | Oacoma | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 1974 | 1972 | 1974 |
| 2010–14 | 1978 | 1974 | 1975 |
| 2015–19 | 1983 | 1977 | 1977 |
| 2020–24 | 1983 | 1981 | 1980 |
| Change | +8 | +9 | +6 |
Homes in Oacoma are about the same age as the nation's housing: the median home was built in 1983, versus 1980 nationally.
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 Oacoma
| Period | Oacoma | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | $504 | $631 | $965 |
| 2010–14 | $565 | $692 | $1,040 |
| 2015–19 | $666 | $798 | $1,213 |
| 2020–24 | $893 | $1,000 | $1,571 |
| Change | +$389 | +$369 | +$606 |
Rent in Oacoma runs $893 a month at the median, utilities included, well below the U.S. median of $1,571. Rent takes 19.5% 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 Oacoma
Bachelor's degrees in Oacoma
| Period | Oacoma | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 28.1% | 26.8% | 28.4% |
| 2010–14 | 21.1% | 27.8% | 29.6% |
| 2015–19 | 29.0% | 29.4% | 32.1% |
| 2020–24 | 30.5% | 32.5% | 35.6% |
| Change | +2.4 pts | +5.6 pts | +7.2 pts |
College degrees are a little less common in Oacoma than nationally: 30.5% of adults 25 and older have a bachelor's or higher, against 35.6%. South Dakota as a whole looks much the same.
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 Oacoma
| Period | Oacoma | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 83.9% | 89.9% | 84.9% |
| 2010–14 | 91.3% | 91.0% | 86.1% |
| 2015–19 | 92.6% | 91.8% | 87.7% |
| 2020–24 | 95.2% | 93.1% | 89.3% |
| Change | +11.3 pts | +3.2 pts | +4.3 pts |
High school completion is high in Oacoma: 95.2% 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 Oacoma
| Period | Oacoma | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 2.6% | 4.9% | 8.1% |
| 2010–14 | 5.2% | 4.9% | 9.4% |
| 2015–19 | 2.0% | 3.6% | 5.6% |
| 2020–24 | 3.2% | 3.1% | 5.4% |
| Change | +0.6 pts | −1.7 pts | −2.7 pts |
Unemployment in Oacoma has been low: just 3.2% of the labor force was out of work and looking, well below the national rate of 5.4%. South Dakota as a whole looks much the same. 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).
Oacoma 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Oacoma | 2.65 | 41.4 | 8.9% | 22.2% | 16.0% | 1983 | $893 | 30.5% | 95.2% | 3.2% |
| Chamberlain | 2.63 | 39.6 | 13.5% | 27.6% | 12.4% | 1971 | $882 | 33.6% | 89.8% | 2.9% |
| Pukwana | 2.76 | 46.2 | 4.2% | 14.8% | 15.8% | 1964 | $1,039 | 16.5% | 93.5% | 0.3% |
| Reliance | 2.57 | 42.6 | 7.6% | 22.5% | 17.1% | 1981 | $855 | 30.0% | 95.6% | 3.0% |
| Shelby | 2.83 | 37.9 | 20.2% | 27.6% | 13.4% | 1968 | $773 | 10.7% | 91.1% | 2.3% |
| Grandview | 2.30 | 42.8 | 3.8% | 22.0% | 16.3% | 1971 | $757 | 29.4% | 91.9% | 0.8% |
| Ola | 2.55 | 37.9 | 5.8% | 19.9% | 11.8% | 1976 | $868 | 29.5% | 86.9% | 0.6% |
| Fort Thompson | 3.89 | 21.8 | 33.7% | 48.9% | 13.0% | 1977 | $613 | 11.1% | 87.7% | 12.2% |
| Lyman | 2.73 | 41.6 | 9.3% | 24.5% | 18.0% | 1979 | $796 | 28.1% | 93.8% | 3.1% |
| Lyonville | 2.77 | 46.9 | 4.0% | 14.7% | 16.2% | 1963 | $1,041 | 14.6% | 93.7% | 0.3% |
| Hamill | 2.25 | 48.5 | 11.7% | 27.8% | 21.3% | 1973 | $672 | 18.1% | 84.8% | 1.4% |
All figures 2020–24.
Cities with similar populations: New Effington, SD · Ravenscroft, TN · Ranshaw, PA · Randolph, TX · Rafter, TN · Quandahl, IA · Protivin, IA · Popple Creek, MN · Poniatowski, WI · Plum Tree, VA
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 Oacoma. 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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