Population 3,806 · Census ACS 2020–24
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Population and households in Corson County
Household size in Corson County
| Period | Corson County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 3.74 | 2.51 | 2.68 |
| 2010–14 | 3.51 | 2.51 | 2.73 |
| 2015–19 | 3.54 | 2.50 | 2.71 |
| 2020–24 | 3.48 | 2.48 | 2.65 |
| Change | −0.27 | −0.03 | −0.03 |
Households in Corson County are large by national standards, averaging 3.48 people against 2.65 for the U.S. That usually means more families with children at home. Household size has dropped from 3.74 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next. Few South Dakota counties have larger households: only five of 66.
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 Corson County
| Period | Corson County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 29.4 | 37.9 | 37.7 |
| 2010–14 | 30.5 | 38.3 | 38.6 |
| 2015–19 | 29.2 | 38.8 | 39.6 |
| 2020–24 | 29.4 | 38.9 | 40.1 |
| Change | +0.0 | +1.0 | +2.3 |
Corson County is young: half of its residents are under 29.4, compared with a national median of 40.1. The population tilts toward young families with children. Of South Dakota's 66 counties, only five are younger.
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 Corson County
| Period | Corson County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 21.7% | 10.8% | 12.3% |
| 2010–14 | 27.2% | 11.1% | 12.3% |
| 2015–19 | 26.5% | 10.9% | 11.6% |
| 2020–24 | 28.7% | 10.7% | 11.6% |
| Change | +7.0 pts | −0.1 pts | −0.6 pts |
Single-parent households are common in Corson County: 28.7% of all households, against 11.6% nationally. Of South Dakota's 66 counties, only three have a higher 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 Corson County
Renters in Corson County
| Period | Corson County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 44.5% | 31.1% | 33.3% |
| 2010–14 | 48.9% | 32.0% | 35.6% |
| 2015–19 | 46.2% | 32.0% | 36.0% |
| 2020–24 | 40.9% | 31.4% | 34.8% |
| Change | −3.7 pts | +0.3 pts | +1.5 pts |
Renting is a bit more common in Corson County than nationally: 40.9% of households rent their homes, against 34.8% for the U.S. About eight in ten owners (80.7%) have paid off their mortgages, well above the national share of 39.8%. Only six of South Dakota's 66 counties have a higher 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 Corson County
| Period | Corson County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 27.3% | 11.3% | 11.4% |
| 2010–14 | 20.6% | 10.7% | 11.4% |
| 2015–19 | 21.5% | 11.6% | 11.1% |
| 2020–24 | 16.2% | 10.3% | 9.6% |
| Change | −11.1 pts | −1.1 pts | −1.8 pts |
Vacancy is high in Corson County: 16.2% 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 Corson County
| Period | Corson County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 1966 | 1972 | 1974 |
| 2010–14 | 1973 | 1974 | 1975 |
| 2015–19 | 1972 | 1977 | 1977 |
| 2020–24 | 1974 | 1981 | 1980 |
| Change | +8 | +9 | +6 |
Homes in Corson County run a bit older than the national norm, with a median build year of 1974 against 1980.
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 Corson County
| Period | Corson County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | $384 | $631 | $965 |
| 2010–14 | $444 | $692 | $1,040 |
| 2015–19 | $450 | $798 | $1,213 |
| 2020–24 | $521 | $1,000 | $1,571 |
| Change | +$138 | +$369 | +$606 |
Rent in Corson County runs $521 a month at the median, utilities included, well below the U.S. median of $1,571. The typical renter here spends 18.2% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Of South Dakota's 66 counties, only three have lower rents.
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 Corson County
Bachelor's degrees in Corson County
| Period | Corson County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 14.3% | 26.8% | 28.4% |
| 2010–14 | 13.5% | 27.8% | 29.6% |
| 2015–19 | 17.8% | 29.4% | 32.1% |
| 2020–24 | 18.3% | 32.5% | 35.6% |
| Change | +4.0 pts | +5.6 pts | +7.2 pts |
College degrees are relatively uncommon in Corson County: 18.3% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. Corson County has a lower share of college graduates than at least four in five South Dakota counties.
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 Corson County
| Period | Corson County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 82.8% | 89.9% | 84.9% |
| 2010–14 | 83.0% | 91.0% | 86.1% |
| 2015–19 | 83.4% | 91.8% | 87.7% |
| 2020–24 | 85.3% | 93.1% | 89.3% |
| Change | +2.5 pts | +3.2 pts | +4.3 pts |
About one in seven adults in Corson County never finished high school, more than nationally: 85.3% have a diploma or equivalent, against 89.3% across the U.S. Of South Dakota's 66 counties, only four have a lower 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 Corson County
| Period | Corson County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 20.4% | 4.9% | 8.1% |
| 2010–14 | 29.0% | 4.9% | 9.4% |
| 2015–19 | 24.9% | 3.6% | 5.6% |
| 2020–24 | 26.2% | 3.1% | 5.4% |
| Change | +5.8 pts | −1.7 pts | −2.7 pts |
Finding work has been harder in Corson County: 26.2% of the labor force was out of work and looking, well above the national rate of 5.4%. No other South Dakota county has higher unemployment. 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).
Corson County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Corson County | 3.48 | 29.4 | 28.7% | 40.9% | 16.2% | 1974 | $521 | 18.3% | 85.3% | 26.2% |
| Campbell County | 2.12 | 50.2 | 0.7% | 23.7% | 16.1% | 1961 | $969 | 36.0% | 91.9% | 3.1% |
| Perkins County | 2.23 | 45.3 | 9.2% | 21.6% | 25.0% | 1966 | $776 | 25.2% | 94.9% | 4.8% |
| McPherson County | 2.09 | 49.4 | 5.1% | 18.7% | 24.2% | 1964 | $637 | 27.4% | 83.8% | 1.1% |
| Harding County | 2.22 | 46.3 | 4.0% | 23.5% | 27.6% | 1973 | $521 | 30.4% | 93.8% | 0.9% |
| Marshall County | 2.56 | 43.0 | 6.0% | 19.7% | 31.5% | 1968 | $783 | 25.5% | 92.4% | 0.3% |
| Carter County | 2.14 | 57.0 | 1.9% | 37.8% | 27.7% | 1976 | $773 | 20.7% | 93.7% | 3.6% |
| Roberts County | 2.87 | 38.5 | 14.8% | 28.8% | 21.5% | 1971 | $681 | 18.0% | 91.5% | 6.1% |
| Traverse County | 2.46 | 46.2 | 5.6% | 18.2% | 29.8% | 1964 | $707 | 16.8% | 94.7% | 4.2% |
| Pope County | 2.29 | 45.7 | 6.1% | 16.5% | 20.0% | 1970 | $1,007 | 24.3% | 95.6% | 1.2% |
| Benton County | 2.49 | 37.0 | 12.2% | 33.3% | 5.9% | 1987 | $1,176 | 26.8% | 92.8% | 4.0% |
All figures 2020–24.
Counties with similar populations: Cochran County, TX · Clark County, ID · Vieques Municipio, PR · Clark County, MO · Van Buren County, TN · Clarke County, IA · Van Buren County, IA · Valley County, MT · Valley County, ID · Clay County, NC
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 Corson County. 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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