Nisland, SD Demographics

Population 718 · Census ACS 2020–24

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Nisland, SD map of median age by neighborhood
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Population and households in Nisland

Household size in Nisland

Household size, people per household
PeriodNislandSouth DakotaU.S.
2006–102.682.512.68
2010–142.542.512.73
2015–192.542.502.71
2020–242.892.482.65
Change+0.21−0.03−0.03
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Households in Nisland average 2.89 people, above the national 2.65, so families with children are more common here. Household size has climbed from 2.68 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 Nisland

Median age, years
PeriodNislandSouth DakotaU.S.
2006–1040.037.937.7
2010–1445.138.338.6
2015–1948.038.839.6
2020–2439.438.940.1
Change−0.7+1.0+2.3
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Half of the people in Nisland are younger than 39.4 and half are older, close to the national median of 40.1.

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 Nisland

Single-parent households, % of households
PeriodNislandSouth DakotaU.S.
2006–106.8%10.8%12.3%
2010–146.6%11.1%12.3%
2015–1910.3%10.9%11.6%
2020–246.4%10.7%11.6%
Change−0.4 pts−0.1 pts−0.6 pts
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Single-parent households are relatively rare in Nisland: 6.4% of households, against 11.6% 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 Nisland

Renters in Nisland

Renters, % of occupied homes
PeriodNislandSouth DakotaU.S.
2006–1020.2%31.1%33.3%
2010–1417.2%32.0%35.6%
2015–1918.3%32.0%36.0%
2020–248.3%31.4%34.8%
Change−11.9 pts+0.3 pts+1.5 pts
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Only 8.3% of households in Nisland rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 50.8% have no mortgage at all, 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 Nisland

Vacant homes, % of all homes
PeriodNislandSouth DakotaU.S.
2006–1014.8%11.3%11.4%
2010–1417.5%10.7%11.4%
2015–1920.6%11.6%11.1%
2020–2412.8%10.3%9.6%
Change−2.0 pts−1.1 pts−1.8 pts
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More homes sit empty in Nisland than nationally: 12.8%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones.

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 Nisland

Age of homes, median year built
PeriodNislandSouth DakotaU.S.
2006–10197119721974
2010–14197519741975
2015–19198319771977
2020–24198019811980
Change+9+9+6
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Homes in Nisland are the same age as the nation's housing: the median home was built in 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 Nisland

Rent, per month
PeriodNislandSouth DakotaU.S.
2006–10$553$631$965
2010–14$562$692$1,040
2015–19$937$798$1,213
2020–24$971$1,000$1,571
Change+$418+$369+$606
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The median renter in Nisland pays $971 a month for rent and utilities, well below the national median of $1,571. The picture is much the same across South Dakota. The typical renter here spends 42.0% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched.

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 Nisland

Bachelor's degrees in Nisland

Bachelor's degrees, % of adults 25+
PeriodNislandSouth DakotaU.S.
2006–1017.8%26.8%28.4%
2010–1415.6%27.8%29.6%
2015–1918.4%29.4%32.1%
2020–2425.1%32.5%35.6%
Change+7.3 pts+5.6 pts+7.2 pts
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College degrees are relatively uncommon in Nisland: 25.1% of adults 25 and older hold a bachelor's or higher, well 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 Nisland

High school graduates, % of adults 25+
PeriodNislandSouth DakotaU.S.
2006–1089.9%89.9%84.9%
2010–1486.8%91.0%86.1%
2015–1986.7%91.8%87.7%
2020–2494.7%93.1%89.3%
Change+4.8 pts+3.2 pts+4.3 pts
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High school completion is high in Nisland: 94.7% 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 Nisland

Unemployment, % of the labor force
PeriodNislandSouth DakotaU.S.
2006–105.9%4.9%8.1%
2010–143.6%4.9%9.4%
2015–192.3%3.6%5.6%
2020–241.3%3.1%5.4%
Change−4.6 pts−1.7 pts−2.7 pts
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Unemployment in Nisland has been low: just 1.3% of the labor force was out of work and looking, well below the national rate of 5.4%. 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).

Nisland compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Nisland2.8939.46.4%8.3%12.8%1980$97125.1%94.7%1.3%
Newell2.4646.26.7%9.0%20.0%1972$1,01823.0%92.2%2.1%
Fruitdale2.8439.67.3%11.2%10.9%1988$92624.4%92.8%0.7%
Vale2.7045.87.1%15.6%17.2%1977$97720.3%93.8%1.2%
St. Onge2.4350.76.5%9.2%13.5%2003$1,26837.9%96.8%0.2%
Belle Fourche2.3841.212.2%29.0%9.8%1983$91320.0%89.2%2.7%
Whitewood2.7246.94.7%21.8%17.0%1995$1,07726.4%93.2%1.4%
Spearfish2.2641.37.6%40.3%8.3%1993$1,02537.3%95.8%1.4%
Sturgis2.3542.213.7%31.0%11.7%1977$80025.5%92.3%2.7%
Fort Meade2.5942.915.2%23.2%14.5%1982$83722.2%93.2%2.2%
Deadwood2.0852.57.2%34.5%25.0%1978$79426.3%94.6%2.9%

All figures 2020–24.

Cities with similar populations: Arbyrd, MO · Baggs, WY · Aurelian Springs, NC · Athol, NY · Atalissa, IA · Arvonia, VA · Arnold, OH · Arlington, KS · Arivaca, AZ · Arimo, ID

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 Nisland. 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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