Southside Flats, Pittsburgh, PA Demographics

Population 7,482 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Southside Flats, Pittsburgh, PA map of median age by neighborhood
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Population and households in Southside Flats

Household size in Southside Flats

Household size, people per household
PeriodSouthside FlatsPittsburgh areaPennsylvaniaU.S.
2006–101.772.372.512.68
2010–141.972.352.532.73
2015–191.682.292.502.71
2020–241.762.302.462.65
Change−0.01−0.07−0.05−0.03
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Southside Flats is a place of small households, averaging 1.76 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Southside Flats has smaller households than the great majority of Pittsburgh neighborhoods.

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 Southside Flats

Median age, years
PeriodSouthside FlatsPittsburgh areaPennsylvaniaU.S.
2006–1031.642.540.337.7
2010–1429.943.041.038.6
2015–1929.443.741.839.6
2020–2429.643.942.040.1
Change−2.0+1.4+1.7+2.3
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With a median age of just 29.6, Southside Flats is far younger than the country as a whole (40.1), a population that tilts toward young adults, many of them living alone or as couples. Since 2006–10, the median age has dropped from 31.6, even as the national median rose. Southside Flats is younger than at least four in five Pittsburgh neighborhoods.

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 Southside Flats

Single-parent households, % of households
PeriodSouthside FlatsPittsburgh areaPennsylvaniaU.S.
2006–103.6%8.9%10.5%12.3%
2010–143.5%8.8%10.6%12.3%
2015–191.6%8.4%10.5%11.6%
2020–247.0%8.8%10.7%11.6%
Change+3.4 pts−0.0 pts+0.2 pts−0.6 pts
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Single-parent households are relatively rare in Southside Flats: 7.0% of households, against 11.6% nationally. The single-parent share is up 3.4 points from 2006–10, even as the national share fell.

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 Southside Flats

Renters in Southside Flats

Renters, % of occupied homes
PeriodSouthside FlatsPittsburgh areaPennsylvaniaU.S.
2006–1056.7%28.5%29.0%33.3%
2010–1459.4%29.9%30.5%35.6%
2015–1964.8%30.3%31.1%36.0%
2020–2466.9%29.3%30.7%34.8%
Change+10.1 pts+0.8 pts+1.7 pts+1.5 pts
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Most households in Southside Flats rent: 66.9% of occupied homes are rented, far above the national share of 34.8%. Expect more apartments, and more turnover, than in owner-heavy areas. Among homeowners, 50.4% have no mortgage at all, well above the national share of 39.8%. The renter share has risen 10.1 points since 2006–10, a much bigger shift than nationally.

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 Southside Flats

Vacant homes, % of all homes
PeriodSouthside FlatsPittsburgh areaPennsylvaniaU.S.
2006–1014.1%10.7%10.3%11.4%
2010–1418.8%10.4%10.5%11.4%
2015–1920.1%10.5%10.7%11.1%
2020–2412.6%10.0%9.1%9.6%
Change−1.5 pts−0.7 pts−1.2 pts−1.8 pts
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More homes sit empty in Southside Flats than nationally: 12.6%, against 9.6%. The count includes vacation homes and homes between owners or tenants, not just abandoned ones. Since 2006–10, vacancy has edged down 1.5 points, in line with the national trend.

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 Southside Flats

Age of homes, median year built
PeriodSouthside FlatsPittsburgh areaPennsylvaniaU.S.
2006–101943196019631974
2010–141942196119641975
2015–191946196219651977
2020–241960196419671980
Change+17+4+4+6
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The housing in Southside Flats is old by national standards: the median home dates to 1960, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. The median year built has moved up from 1943 in 2006–10, a sign of steady new building. Newer construction is concentrated in the east, while the south has the oldest housing.

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 Southside Flats

Rent, per month
PeriodSouthside FlatsPittsburgh areaPennsylvaniaU.S.
2006–10$722$720$829$965
2010–14$1,016$801$923$1,040
2015–19$1,251$922$1,039$1,213
2020–24$1,560$1,162$1,323$1,571
Change+$838+$442+$494+$606
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A typical rental in Southside Flats costs $1,560 a month with utilities, close to the national median of $1,571. Rents here are higher than in the Pittsburgh area as a whole ($1,162). Rent has climbed $838 a month since 2006–10, up 116%, faster than rents rose nationally. The typical renter here spends 30.3% of household income on rent, just over 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 Southside Flats

Bachelor's degrees in Southside Flats

Bachelor's degrees, % of adults 25+
PeriodSouthside FlatsPittsburgh areaPennsylvaniaU.S.
2006–1044.9%29.5%27.2%28.4%
2010–1452.4%31.7%28.7%29.6%
2015–1962.2%35.2%31.8%32.1%
2020–2460.6%39.0%35.6%35.6%
Change+15.7 pts+9.5 pts+8.3 pts+7.2 pts
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College graduates are unusually common in Southside Flats: 60.6% of adults 25 and older have a bachelor's degree or higher, against 35.6% nationally. Education tends to track local incomes and the kinds of jobs nearby. The share with a degree has risen 15.7 points since 2006–10, in line with the national trend.

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 Southside Flats

High school graduates, % of adults 25+
PeriodSouthside FlatsPittsburgh areaPennsylvaniaU.S.
2006–1090.3%90.8%87.3%84.9%
2010–1495.5%92.3%88.8%86.1%
2015–1995.3%93.8%90.3%87.7%
2020–2494.0%95.0%91.8%89.3%
Change+3.7 pts+4.2 pts+4.5 pts+4.3 pts
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High school completion in Southside Flats is above the national rate: 94.0% of adults have a diploma or equivalent, against 89.3%. The Pittsburgh area as a whole looks much the same. The share with a diploma has risen 3.7 points since 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 Southside Flats

Unemployment, % of the labor force
PeriodSouthside FlatsPittsburgh areaPennsylvaniaU.S.
2006–102.6%6.9%7.5%8.1%
2010–145.5%7.5%8.8%9.4%
2015–191.6%4.9%5.5%5.6%
2020–241.0%5.0%5.4%5.4%
Change−1.6 pts−1.9 pts−2.1 pts−2.7 pts
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The job market in Southside Flats has been strong: just 1.0% of the labor force was out of work and looking, well below the national rate of 5.4%. Southside Flats has the lowest unemployment rate of any Pittsburgh neighborhood. Since 2006–10, unemployment has fallen 1.6 points, mirroring the country.

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).

Southside Flats compared with nearby neighborhoods

NeighborhoodHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Southside Flats1.7629.67.0%66.9%12.6%1960$1,56060.6%94.0%1.0%
Southside Slopes1.9035.78.3%51.9%19.1%1938$1,34542.0%94.8%4.5%
Bluff2.1124.77.5%64.4%28.1%1943$1,81724.0%72.6%5.4%
West Oakland2.5622.717.0%82.4%23.8%1955$1,53842.2%93.7%15.0%
Central Business District1.4830.810.3%90.1%30.7%1953$1,60170.9%99.8%3.6%
Oakland2.5521.62.0%82.1%25.1%1956$1,55938.9%77.4%6.4%
Knoxville3.1633.412.1%44.7%30.6%1938$1,14821.0%81.1%3.1%
Mount Washington1.8734.75.8%59.2%10.5%1939$1,43554.6%96.9%6.3%
North Oakland1.5329.14.3%64.5%21.8%1958$1,23270.6%98.8%5.1%
Greenfield1.8742.02.7%36.3%11.4%1942$1,31560.1%95.5%4.7%
Hazelwood2.3539.620.6%49.1%18.8%1942$84522.6%92.2%8.3%

All figures 2020–24.

Neighborhoods with similar populations: Auburn, Cranston, RI · Wooded Area, San Diego, CA · Winstead Park, Boise, ID · Tallyn's Reach, Aurora, CO · Periwinkle, Albany, OR · Pecan Park, Jacksonville, FL · Mt. Park, Lake Oswego, OR · Hillyard, Spokane, WA · Fort Sanders, Knoxville, TN · Elliot Park, Minneapolis, MN

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 Southside Flats. 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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