South Union, KY Demographics

Population 840 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
South Union, KY map of median age by neighborhood
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Population and households in South Union

Household size in South Union

Household size, people per household
PeriodSouth UnionKentuckyU.S.
2006–102.742.512.68
2010–142.752.532.73
2015–192.692.522.71
2020–242.982.512.65
Change+0.23−0.00−0.03
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South Union is a place of big households: 2.98 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids. Household size has climbed from 2.74 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 South Union

Median age, years
PeriodSouth UnionKentuckyU.S.
2006–1037.938.537.7
2010–1444.439.338.6
2015–1936.140.039.6
2020–2433.439.940.1
Change−4.5+1.5+2.3
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South Union is young: half of its residents are under 33.4, 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 South Union

Single-parent households, % of households
PeriodSouth UnionKentuckyU.S.
2006–109.2%11.7%12.3%
2010–148.8%11.9%12.3%
2015–1911.0%11.8%11.6%
2020–246.9%11.9%11.6%
Change−2.3 pts+0.2 pts−0.6 pts
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Single parents head only 6.9% of households in South Union, well below the national share of 11.6%.

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 South Union

Renters in South Union

Renters, % of occupied homes
PeriodSouth UnionKentuckyU.S.
2006–1016.0%30.1%33.3%
2010–1411.4%32.3%35.6%
2015–1915.9%32.8%36.0%
2020–244.6%31.7%34.8%
Change−11.4 pts+1.5 pts+1.5 pts
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Only 4.6% of households in South Union rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 22.1% have no mortgage at all, well below 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 South Union

Vacant homes, % of all homes
PeriodSouth UnionKentuckyU.S.
2006–1014.6%12.2%11.4%
2010–149.4%11.9%11.4%
2015–197.8%12.3%11.1%
2020–2420.5%10.6%9.6%
Change+5.9 pts−1.6 pts−1.8 pts
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Vacant homes make up 20.5% of the housing in South Union, 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 South Union

Age of homes, median year built
PeriodSouth UnionKentuckyU.S.
2006–10197019771974
2010–14197519791975
2015–19197819801977
2020–24199219821980
Change+22+5+6
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South Union has newer housing than the country as a whole: the median home was built in 1992, versus 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 South Union

Rent, per month
PeriodSouth UnionKentuckyU.S.
2006–10$640$657$965
2010–14$618$728$1,040
2015–19$785$814$1,213
2020–24$818$1,024$1,571
Change+$178+$367+$606
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A typical rental in South Union costs $818 a month with utilities, well below the national median of $1,571. Rent takes 28.5% of the typical renter's income, just 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 South Union

Bachelor's degrees in South Union

Bachelor's degrees, % of adults 25+
PeriodSouth UnionKentuckyU.S.
2006–1013.1%21.3%28.4%
2010–1412.5%22.5%29.6%
2015–199.5%24.5%32.1%
2020–2440.0%27.6%35.6%
Change+26.9 pts+6.2 pts+7.2 pts
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College degrees are a bit more common in South Union than nationally: 40.0% of adults 25 and older have a bachelor's or higher, against 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 South Union

High school graduates, % of adults 25+
PeriodSouth UnionKentuckyU.S.
2006–1074.1%81.7%84.9%
2010–1476.6%83.9%86.1%
2015–1980.3%86.4%87.7%
2020–2495.9%88.8%89.3%
Change+21.8 pts+7.2 pts+4.3 pts
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High school completion is high in South Union: 95.9% 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 South Union

Unemployment, % of the labor force
PeriodSouth UnionKentuckyU.S.
2006–1010.6%8.4%8.1%
2010–142.6%9.5%9.4%
2015–192.9%5.8%5.6%
2020–241.3%5.1%5.4%
Change−9.3 pts−3.3 pts−2.7 pts
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Unemployment in South Union has been low: just 1.3% of the labor force was out of work and looking, well below the national rate of 5.4%. 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).

South Union compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
South Union2.9833.46.9%4.6%20.5%1992$81840.0%95.9%1.3%
Auburn2.7337.16.7%20.5%9.0%1990$86018.8%83.8%7.5%
Petros2.9539.86.4%30.2%5.2%1988$97830.4%88.1%3.9%
Richelieu2.9533.34.5%14.4%3.4%1986$80017.5%84.2%8.0%
Middleton2.5641.47.6%15.6%13.2%1987$75524.6%87.3%3.1%
Woodburn3.0238.610.5%21.9%8.0%1985$89533.3%91.3%1.4%
Rich Pond3.0736.514.1%24.0%7.3%1984$93929.3%91.2%0.8%
Rockfield2.6241.47.5%21.0%7.7%1991$90227.5%90.6%1.7%
Gasper2.9834.23.0%19.0%7.9%1988$79721.5%88.7%8.5%
Salmon2.7839.57.6%15.7%8.2%1985$86126.8%92.4%0.0%
Browning2.6043.53.0%16.1%8.7%1986$86726.3%93.0%3.3%

All figures 2020–24.

Cities with similar populations: Mc Adams, MS · Meta, KY · Mendes, GA · Melcroft, PA · Means, KY · McLane, PA · McHenry, KY · McGuffey, OH · McClintocksburg, OH · Miami, TX

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 South Union. 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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