Population 4,344 · Census ACS 2020–24
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Population and households in Marshall County
Household size in Marshall County
| Period | Marshall County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 2.61 | 2.51 | 2.68 |
| 2010–14 | 2.52 | 2.51 | 2.73 |
| 2015–19 | 2.58 | 2.50 | 2.71 |
| 2020–24 | 2.56 | 2.48 | 2.65 |
| Change | −0.05 | −0.03 | −0.03 |
The average household in Marshall County has 2.56 people, a bit under the U.S. average of 2.65. South Dakota as a whole looks much the same. Compared with other South Dakota counties, though, Marshall County has larger households than most.
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 Marshall County
| Period | Marshall County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 42.3 | 37.9 | 37.7 |
| 2010–14 | 41.5 | 38.3 | 38.6 |
| 2015–19 | 39.9 | 38.8 | 39.6 |
| 2020–24 | 43.0 | 38.9 | 40.1 |
| Change | +0.7 | +1.0 | +2.3 |
Marshall County skews older than the country: its median age is 43.0, against 40.1 nationally.
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 Marshall County
| Period | Marshall County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 6.5% | 10.8% | 12.3% |
| 2010–14 | 7.4% | 11.1% | 12.3% |
| 2015–19 | 7.7% | 10.9% | 11.6% |
| 2020–24 | 6.0% | 10.7% | 11.6% |
| Change | −0.5 pts | −0.1 pts | −0.6 pts |
Single parents head only 6.0% of households in Marshall County, well below the national share of 11.6%. Compared with other South Dakota counties, Marshall County has a lower share of single-parent households than most.
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 Marshall County
Renters in Marshall County
| Period | Marshall County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 29.8% | 31.1% | 33.3% |
| 2010–14 | 27.5% | 32.0% | 35.6% |
| 2015–19 | 26.2% | 32.0% | 36.0% |
| 2020–24 | 19.7% | 31.4% | 34.8% |
| Change | −10.1 pts | +0.3 pts | +1.5 pts |
Only 19.7% of households in Marshall County rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 63.8% have no mortgage at all, well above the national share of 39.8%. Since 2006–10, the renter share has fallen 10.1 points, but in a place this small, much of that may be survey noise rather than real change.
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 Marshall County
| Period | Marshall County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 30.5% | 11.3% | 11.4% |
| 2010–14 | 30.6% | 10.7% | 11.4% |
| 2015–19 | 27.5% | 11.6% | 11.1% |
| 2020–24 | 31.5% | 10.3% | 9.6% |
| Change | +1.0 pts | −1.1 pts | −1.8 pts |
Vacant homes make up 31.5% of the housing in Marshall County, 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. Of South Dakota's 66 counties, only two have a higher vacancy rate.
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 Marshall County
| Period | Marshall County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 1958 | 1972 | 1974 |
| 2010–14 | 1963 | 1974 | 1975 |
| 2015–19 | 1963 | 1977 | 1977 |
| 2020–24 | 1968 | 1981 | 1980 |
| Change | +9 | +9 | +6 |
The housing in Marshall County is old by national standards: the median home dates to 1968, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates.
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 Marshall County
| Period | Marshall County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | $458 | $631 | $965 |
| 2010–14 | $502 | $692 | $1,040 |
| 2015–19 | $629 | $798 | $1,213 |
| 2020–24 | $783 | $1,000 | $1,571 |
| Change | +$325 | +$369 | +$606 |
Rent in Marshall County runs $783 a month at the median, utilities included, well below the U.S. median of $1,571. The typical renter here spends 18.3% 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 Marshall County
Bachelor's degrees in Marshall County
| Period | Marshall County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 16.4% | 26.8% | 28.4% |
| 2010–14 | 21.2% | 27.8% | 29.6% |
| 2015–19 | 25.0% | 29.4% | 32.1% |
| 2020–24 | 25.5% | 32.5% | 35.6% |
| Change | +9.0 pts | +5.6 pts | +7.2 pts |
Fewer adults in Marshall County have a four-year degree than in the country as a whole: 25.5%, against 35.6% nationally.
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 Marshall County
| Period | Marshall County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 85.0% | 89.9% | 84.9% |
| 2010–14 | 91.2% | 91.0% | 86.1% |
| 2015–19 | 92.2% | 91.8% | 87.7% |
| 2020–24 | 92.4% | 93.1% | 89.3% |
| Change | +7.4 pts | +3.2 pts | +4.3 pts |
About nine in ten adults in Marshall County have finished high school (92.4%), a bit above the national rate of 89.3%. That is in line with the rest of South Dakota.
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 Marshall County
| Period | Marshall County | South Dakota | U.S. |
|---|---|---|---|
| 2006–10 | 3.3% | 4.9% | 8.1% |
| 2010–14 | 1.6% | 4.9% | 9.4% |
| 2015–19 | 2.9% | 3.6% | 5.6% |
| 2020–24 | 0.3% | 3.1% | 5.4% |
| Change | −3.0 pts | −1.7 pts | −2.7 pts |
Unemployment in Marshall County has been low: just 0.3% of the labor force was out of work and looking, well below the national rate of 5.4%. Of South Dakota's 66 counties, only three have lower unemployment. 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).
Marshall 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Marshall County | 2.56 | 43.0 | 6.0% | 19.7% | 31.5% | 1968 | $783 | 25.5% | 92.4% | 0.3% |
| 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% |
| McPherson County | 2.09 | 49.4 | 5.1% | 18.7% | 24.2% | 1964 | $637 | 27.4% | 83.8% | 1.1% |
| Pope County | 2.29 | 45.7 | 6.1% | 16.5% | 20.0% | 1970 | $1,007 | 24.3% | 95.6% | 1.2% |
| Campbell County | 2.12 | 50.2 | 0.7% | 23.7% | 16.1% | 1961 | $969 | 36.0% | 91.9% | 3.1% |
| Corson County | 3.48 | 29.4 | 28.7% | 40.9% | 16.2% | 1974 | $521 | 18.3% | 85.3% | 26.2% |
| Benton County | 2.49 | 37.0 | 12.2% | 33.3% | 5.9% | 1987 | $1,176 | 26.8% | 92.8% | 4.0% |
| Mille Lacs County | 2.55 | 42.2 | 11.4% | 22.1% | 14.5% | 1985 | $1,158 | 18.3% | 91.9% | 4.4% |
| Kanabec County | 2.47 | 45.7 | 9.8% | 15.5% | 14.8% | 1982 | $1,040 | 15.8% | 90.7% | 4.6% |
| Perkins County | 2.23 | 45.3 | 9.2% | 21.6% | 25.0% | 1966 | $776 | 25.2% | 94.9% | 4.8% |
All figures 2020–24.
Counties with similar populations: Adams County, IA · Ziebach County, SD · Zapata County, TX · Yuma County, CO · Yukon-Koyukuk Census Area, AK · York County, NE · Yakutat City and Borough, AK · Wrangell City and Borough, AK · Woodson County, KS · Alpine County, CA
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 Marshall 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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