Fall River County, SD Demographics

Population 7,258 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Fall River County, SD map of median age by neighborhood
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Population and households in Fall River County

Household size in Fall River County

Household size, people per household
PeriodFall River CountySouth DakotaU.S.
2006–101.932.512.68
2010–142.122.512.73
2015–192.192.502.71
2020–241.942.482.65
Change+0.01−0.03−0.03
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Fall River County is a place of small households, averaging 1.94 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. The biggest households, usually families with children, are concentrated in the west. Fall River County has the smallest households of any South Dakota county.

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 Fall River County

Median age, years
PeriodFall River CountySouth DakotaU.S.
2006–1049.537.937.7
2010–1451.638.338.6
2015–1951.538.839.6
2020–2453.838.940.1
Change+4.3+1.0+2.3
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With a median age of 53.8, Fall River County is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. The median age has climbed from 49.5 in 2006–10, as it has nationally. Only two of South Dakota's 66 counties are older.

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 Fall River County

Single-parent households, % of households
PeriodFall River CountySouth DakotaU.S.
2006–1011.7%10.8%12.3%
2010–147.2%11.1%12.3%
2015–195.5%10.9%11.6%
2020–249.4%10.7%11.6%
Change−2.3 pts−0.1 pts−0.6 pts
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Single parents head about one in ten households in Fall River County (9.4%), below the national share of 11.6%. The single-parent share has fallen 2.3 points since 2006–10, a much bigger shift than nationally.

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 Fall River County

Renters in Fall River County

Renters, % of occupied homes
PeriodFall River CountySouth DakotaU.S.
2006–1035.2%31.1%33.3%
2010–1433.0%32.0%35.6%
2015–1921.9%32.0%36.0%
2020–2427.6%31.4%34.8%
Change−7.6 pts+0.3 pts+1.5 pts
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More than a quarter of households in Fall River County rent their homes (27.6%), below the national share of 34.8%; the rest own. Among homeowners, 58.9% have no mortgage at all, well above the national share of 39.8%. Since 2006–10, the renter share has fallen 7.6 points, even as the national share rose.

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 Fall River County

Vacant homes, % of all homes
PeriodFall River CountySouth DakotaU.S.
2006–1019.6%11.3%11.4%
2010–1420.5%10.7%11.4%
2015–1928.2%11.6%11.1%
2020–2412.5%10.3%9.6%
Change−7.1 pts−1.1 pts−1.8 pts
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Vacancy runs high in Fall River County: 12.5% of homes are empty, against 9.6% nationally. The count includes vacation homes and homes between owners or tenants, not just abandoned ones. Vacancy is down 7.1 points from 2006–10, a much bigger shift than nationally.

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 Fall River County

Age of homes, median year built
PeriodFall River CountySouth DakotaU.S.
2006–10196619721974
2010–14197219741975
2015–19196519771977
2020–24196319811980
Change−3+9+6
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Fall River County is a place of older homes: half were built before 1963, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The newest homes are mostly in the center, the oldest in the southwest.

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 Fall River County

Rent, per month
PeriodFall River CountySouth DakotaU.S.
2006–10$560$631$965
2010–14$579$692$1,040
2015–19$628$798$1,213
2020–24$916$1,000$1,571
Change+$356+$369+$606
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Rent in Fall River County runs $916 a month at the median, utilities included, well below the U.S. median of $1,571. Rents are up $356 a month from 2006–10, a 64% jump, roughly in step with the nation. Rent takes 29.1% of the typical renter's income, just under the 30% mark often used to define affordable rent. The priciest rents are in the southwest; the most affordable are in the center.

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 Fall River County

Bachelor's degrees in Fall River County

Bachelor's degrees, % of adults 25+
PeriodFall River CountySouth DakotaU.S.
2006–1020.6%26.8%28.4%
2010–1421.6%27.8%29.6%
2015–1921.1%29.4%32.1%
2020–2430.6%32.5%35.6%
Change+9.9 pts+5.6 pts+7.2 pts
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College degrees are a little less common in Fall River County than nationally: 30.6% of adults 25 and older have a bachelor's or higher, against 35.6%. Since 2006–10, the share with a degree has risen 9.9 points, mirroring the country. College graduates are most concentrated in the center and least in the west.

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 Fall River County

High school graduates, % of adults 25+
PeriodFall River CountySouth DakotaU.S.
2006–1087.5%89.9%84.9%
2010–1491.9%91.0%86.1%
2015–1994.0%91.8%87.7%
2020–2492.2%93.1%89.3%
Change+4.7 pts+3.2 pts+4.3 pts
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High school completion in Fall River County is a bit above the national rate: 92.2% of adults have a diploma or equivalent, against 89.3%. The picture is much the same across South Dakota. The share with a diploma is up 4.7 points from 2006–10, mirroring the country.

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 Fall River County

Unemployment, % of the labor force
PeriodFall River CountySouth DakotaU.S.
2006–104.8%4.9%8.1%
2010–143.2%4.9%9.4%
2015–192.6%3.6%5.6%
2020–242.9%3.1%5.4%
Change−1.9 pts−1.7 pts−2.7 pts
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Unemployment in Fall River County has been low: just 2.9% of the labor force was out of work and looking, well below the national rate of 5.4%. Unemployment is down 1.9 points from 2006–10, mirroring the country. 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).

Fall River County compared with nearby counties

CountyHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Fall River County1.9453.89.4%27.6%12.5%1963$91630.6%92.2%2.9%
Bennett County3.8529.025.7%38.8%20.1%1976$62616.6%85.9%9.1%
Todd County3.6426.035.6%53.7%11.7%1982$53716.5%82.8%17.6%
Tripp County2.4745.411.7%31.6%16.4%1966$77617.4%88.3%2.1%
Douglas County2.3643.73.8%23.3%14.3%1959$90125.0%90.3%0.5%
Hutchinson County2.4542.16.8%22.7%11.3%1962$71031.3%94.2%1.3%
Turner County2.4740.98.2%21.0%7.7%1960$77226.7%93.2%2.1%
Lincoln County2.5635.910.8%28.8%3.6%2002$1,27046.6%96.8%1.5%
Teton County2.3142.07.9%41.7%26.0%1988$2,17261.5%96.9%1.0%
Lyon County2.7738.15.7%19.1%9.0%1967$80120.4%95.4%2.2%
Osceola County2.3245.610.0%22.1%8.9%1954$78117.5%88.3%3.6%

All figures 2020–24.

Counties with similar populations: Collingsworth County, TX · Tallahatchie County, MS · Talbot County, GA · Switzerland County, IN · Sweet Grass County, MT · Sutton County, TX · Sussex County, VA · Sumter County, AL · Summers County, WV · Sullivan County, PA

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 Fall River 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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