Trail City, SD Demographics

Population 111 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Trail City, SD map of median age by neighborhood
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Population and households in Trail City

Household size in Trail City

Household size, people per household
PeriodTrail CitySouth DakotaU.S.
2006–103.062.512.68
2010–143.022.512.73
2015–193.232.502.71
2020–242.872.482.65
Change−0.19−0.03−0.03
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Households in Trail City average 2.87 people, above the national 2.65, so families with children are more common here. Since 2006–10, household size has dropped from 3.06, 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 Trail City

Median age, years
PeriodTrail CitySouth DakotaU.S.
2006–1035.937.937.7
2010–1437.338.338.6
2015–1933.338.839.6
2020–2430.438.940.1
Change−5.5+1.0+2.3
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Trail City is young: half of its residents are under 30.4, compared with a national median of 40.1. The population tilts toward young families with children.

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 Trail City

Single-parent households, % of households
PeriodTrail CitySouth DakotaU.S.
2006–1017.6%10.8%12.3%
2010–1418.2%11.1%12.3%
2015–1916.1%10.9%11.6%
2020–2417.7%10.7%11.6%
Change+0.2 pts−0.1 pts−0.6 pts
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Single-parent households are common in Trail City: 17.7% of all 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 Trail City

Renters in Trail City

Renters, % of occupied homes
PeriodTrail CitySouth DakotaU.S.
2006–1028.7%31.1%33.3%
2010–1431.2%32.0%35.6%
2015–1932.5%32.0%36.0%
2020–2434.5%31.4%34.8%
Change+5.8 pts+0.3 pts+1.5 pts
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Renting in Trail City is about as common as it is nationally: 34.5% of households rent, against 34.8%. Renters make up a bigger share here than in South Dakota overall (31.4%). Among homeowners, 72.5% 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 Trail City

Vacant homes, % of all homes
PeriodTrail CitySouth DakotaU.S.
2006–1019.9%11.3%11.4%
2010–1419.2%10.7%11.4%
2015–1919.0%11.6%11.1%
2020–2411.5%10.3%9.6%
Change−8.4 pts−1.1 pts−1.8 pts
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Vacancy runs a little high in Trail City: 11.5% of homes are empty, against 9.6% nationally. The count includes vacation homes and homes between owners or tenants, not just abandoned ones. South Dakota as a whole looks much the same.

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 Trail City

Age of homes, median year built
PeriodTrail CitySouth DakotaU.S.
2006–10197319721974
2010–14197019741975
2015–19197319771977
2020–24197519811980
Change+2+9+6
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Housing in Trail City leans a little older: the median home dates to 1975, against 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 Trail City

Rent, per month
PeriodTrail CitySouth DakotaU.S.
2006–10$381$631$965
2010–14$440$692$1,040
2015–19$534$798$1,213
2020–24$581$1,000$1,571
Change+$201+$369+$606
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Rent in Trail City runs $581 a month at the median, utilities included, well below the U.S. median of $1,571. Rent takes 14.6% 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 Trail City

Bachelor's degrees in Trail City

Bachelor's degrees, % of adults 25+
PeriodTrail CitySouth DakotaU.S.
2006–1014.7%26.8%28.4%
2010–1416.1%27.8%29.6%
2015–1918.4%29.4%32.1%
2020–2418.1%32.5%35.6%
Change+3.4 pts+5.6 pts+7.2 pts
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Fewer adults in Trail City have a four-year degree than in the country as a whole: 18.1%, 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 Trail City

High school graduates, % of adults 25+
PeriodTrail CitySouth DakotaU.S.
2006–1082.8%89.9%84.9%
2010–1485.3%91.0%86.1%
2015–1987.1%91.8%87.7%
2020–2489.8%93.1%89.3%
Change+7.0 pts+3.2 pts+4.3 pts
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High school completion in Trail City is close to the national rate: 89.8% of adults have a diploma or equivalent, against 89.3%. The rate is lower than in South Dakota overall (93.1%).

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 Trail City

Unemployment, % of the labor force
PeriodTrail CitySouth DakotaU.S.
2006–1010.0%4.9%8.1%
2010–1414.8%4.9%9.4%
2015–1913.8%3.6%5.6%
2020–2415.3%3.1%5.4%
Change+5.3 pts−1.7 pts−2.7 pts
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Finding work has been harder in Trail City: 15.3% of the labor force was out of work and looking, well above 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).

Trail City compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Trail City2.8730.417.7%34.5%11.5%1975$58118.1%89.8%15.3%
Glencross3.0030.120.2%36.3%12.4%1977$54616.8%88.5%18.9%
Whitehorse2.6330.813.4%31.7%9.9%1972$64320.4%92.1%9.1%
Mobridge2.0940.49.9%26.6%14.8%1964$90829.9%94.4%1.7%
Wakpala3.8128.630.6%42.0%15.0%1980$48216.2%81.7%38.4%
Little Eagle3.4629.328.5%44.3%15.4%1983$43312.5%84.2%30.8%
Timber Lake2.6730.714.2%32.2%10.2%1973$63120.0%91.7%10.3%
Promise3.2228.832.2%37.6%11.1%1991$68524.2%88.0%13.8%
La Plant3.2028.832.5%37.0%10.6%1992$71125.5%88.4%12.0%
Glenham2.4440.41.6%19.8%33.0%1976$84026.4%91.3%9.9%
Liberty3.6827.035.2%48.9%15.1%1972$62320.4%84.0%26.4%

All figures 2020–24.

Cities with similar populations: White Pines, CA · Climax, VA · Clover Run, PA · Clyde, PA · Coatsville, MO · Cohagen, MT · Colebank, WV · Colgate, ND · Colliersville, NY · Collinsburg, LA

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 Trail City. 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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