Arnold, PA Demographics

Population 4,704 · Census ACS 2020–24

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

Household size in Arnold

Household size, people per household
PeriodArnoldPittsburgh areaPennsylvaniaU.S.
2006–102.252.372.512.68
2010–142.052.352.532.73
2015–192.252.292.502.71
2020–242.192.302.462.65
Change−0.05−0.07−0.05−0.03
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Arnold is a place of small households, averaging 2.19 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children.

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 Arnold

Median age, years
PeriodArnoldPittsburgh areaPennsylvaniaU.S.
2006–1039.742.540.337.7
2010–1441.643.041.038.6
2015–1941.643.741.839.6
2020–2442.343.942.040.1
Change+2.6+1.4+1.7+2.3
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Arnold skews a little older than the country: its median age is 42.3, against 40.1 nationally. Locally, though, the population here is younger than in the Pittsburgh area overall, where the median age is 43.9. The median age has climbed from 39.7 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.

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 Arnold

Single-parent households, % of households
PeriodArnoldPittsburgh areaPennsylvaniaU.S.
2006–1017.0%8.9%10.5%12.3%
2010–1422.0%8.8%10.6%12.3%
2015–1920.4%8.4%10.5%11.6%
2020–2412.5%8.8%10.7%11.6%
Change−4.5 pts−0.0 pts+0.2 pts−0.6 pts
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Single parents head about one in eight households in Arnold (12.5%), close to the national share of 11.6%. Single parents are more common here than in the Pittsburgh area as a whole (8.8%).

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 Arnold

Renters in Arnold

Renters, % of occupied homes
PeriodArnoldPittsburgh areaPennsylvaniaU.S.
2006–1051.4%28.5%29.0%33.3%
2010–1460.0%29.9%30.5%35.6%
2015–1959.1%30.3%31.1%36.0%
2020–2439.7%29.3%30.7%34.8%
Change−11.7 pts+0.8 pts+1.7 pts+1.5 pts
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Renting is a bit more common in Arnold than nationally: 39.7% of households rent their homes, against 34.8% for the U.S. Just over half of owners (52.9%) have paid off their mortgages, 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 Arnold

Vacant homes, % of all homes
PeriodArnoldPittsburgh areaPennsylvaniaU.S.
2006–1020.0%10.7%10.3%11.4%
2010–1418.2%10.4%10.5%11.4%
2015–1922.0%10.5%10.7%11.1%
2020–2419.1%10.0%9.1%9.6%
Change−1.0 pts−0.7 pts−1.2 pts−1.8 pts
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Vacant homes make up 19.1% of the housing in Arnold, 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 Arnold

Age of homes, median year built
PeriodArnoldPittsburgh areaPennsylvaniaU.S.
2006–101945196019631974
2010–141949196119641975
2015–191943196219651977
2020–241950196419671980
Change+5+4+4+6
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Arnold is a place of older homes: half were built before 1950, while the national median is 1980. That means established neighborhoods, and more houses that may need updating.

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 Arnold

Rent, per month
PeriodArnoldPittsburgh areaPennsylvaniaU.S.
2006–10$559$720$829$965
2010–14$607$801$923$1,040
2015–19$802$922$1,039$1,213
2020–24$838$1,162$1,323$1,571
Change+$279+$442+$494+$606
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Rent in Arnold runs $838 a month at the median, utilities included, well below the U.S. median of $1,571. Rent takes 24.1% 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 Arnold

Bachelor's degrees in Arnold

Bachelor's degrees, % of adults 25+
PeriodArnoldPittsburgh areaPennsylvaniaU.S.
2006–1011.6%29.5%27.2%28.4%
2010–148.9%31.7%28.7%29.6%
2015–199.8%35.2%31.8%32.1%
2020–2417.3%39.0%35.6%35.6%
Change+5.8 pts+9.5 pts+8.3 pts+7.2 pts
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Fewer adults in Arnold have a four-year degree than in the country as a whole: 17.3%, 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 Arnold

High school graduates, % of adults 25+
PeriodArnoldPittsburgh areaPennsylvaniaU.S.
2006–1091.8%90.8%87.3%84.9%
2010–1487.9%92.3%88.8%86.1%
2015–1991.9%93.8%90.3%87.7%
2020–2489.3%95.0%91.8%89.3%
Change−2.6 pts+4.2 pts+4.5 pts+4.3 pts
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Just as many adults in Arnold have finished high school as nationally: 89.3%. The rate is lower than in the Pittsburgh area as a whole (95.0%).

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 Arnold

Unemployment, % of the labor force
PeriodArnoldPittsburgh areaPennsylvaniaU.S.
2006–1011.6%6.9%7.5%8.1%
2010–1413.5%7.5%8.8%9.4%
2015–199.7%4.9%5.5%5.6%
2020–2410.6%5.0%5.4%5.4%
Change−0.9 pts−1.9 pts−2.1 pts−2.7 pts
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Unemployment in Arnold runs well above the national rate: 10.6% of the labor force was out of work and looking, against 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).

Arnold compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Arnold2.1942.312.5%39.7%19.1%1950$83817.3%89.3%10.6%
Creighton2.1447.110.6%28.2%17.7%1954$84027.1%95.0%4.8%
New Kensington2.0948.112.0%36.1%10.4%1957$84723.3%95.7%6.9%
Lower Burrell2.2246.86.8%15.5%4.5%1964$98033.3%96.5%3.5%
Brackenridge2.0348.218.8%33.1%10.0%1944$78714.2%93.8%1.6%
Harwick1.9956.94.3%15.1%9.7%1961$96026.2%95.5%1.9%
Springdale2.0150.35.6%29.7%7.4%1950$89629.1%96.3%5.3%
Rural Ridge3.0238.85.1%11.8%7.1%2001$98857.9%98.0%4.6%
Tarentum2.2043.37.5%20.8%10.9%1952$85327.1%97.0%5.3%
Natrona Heights2.2249.97.9%21.5%13.8%1956$87827.7%96.9%3.1%
Cheswick2.2748.25.2%19.8%6.6%1967$1,13445.9%97.7%3.7%

All figures 2020–24.

Cities with similar populations: Crisfield, MD · Preston, CT · Dexter, NM · Blanding, UT · Tawas City, MI · Stillwater, NY · Montverde, FL · Greenwood Lake, NY · Cleveland, NC · Wingdale, NY

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 Arnold. 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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