US Census Data

ZIP 15521 vs ZIP 15531

A side-by-side comparison of ZIP Code 15521 and ZIP Code 15531: population, income, housing, and more.

ZIP 15521 and ZIP 15531 are ZIP Code areas in Pennsylvania. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 15531 has the higher population (3,625 vs 1,961 in ZIP 15521). ZIP 15521 has the higher median household income ($57,353 vs $52,955 in ZIP 15531). ZIP 15521 has the higher median home value ($192,700 vs $122,900 in ZIP 15531).

Population, income & housing

ZIP 15521ZIP 15531
Population1,9613,625
Median age45.1 yrs47.6 yrs
Median household income$57,353$52,955
Median home value$192,700$122,900
Median gross rent$1,056$680
Housing units7981,907
Homeownership rate91.3%77.8%
Bachelor's degree or higher10.6%16.6%
Unemployment rate0.9%2.4%

Trends (ACS 5-year, 2019–2023)

ZIP 15521ZIP 15531
Population1,878 → 1,961 (+4.4%)3,834 → 3,625 (-5.5%)
Median household income$47,173 → $57,353 (+21.6%)$46,014 → $52,955 (+15.1%)
Median home value$140,100 → $192,700 (+37.5%)$98,800 → $122,900 (+24.4%)
Median gross rent$766 → $1,056 (+37.9%)$526 → $680 (+29.3%)

ZIP 15521

Population
1,8781,961
Median household income
$47,173$57,353
Median home value
$140,100$192,700
Median gross rent
$766$1,056

ZIP 15531

Population
3,8343,625
Median household income
$46,014$52,955
Median home value
$98,800$122,900
Median gross rent
$526$680

Age & race/ethnicity

Age distribution (share)

ZIP 15521ZIP 15531
Under 56.5%6.8%
5 to 1712.2%13.3%
18 to 2411.4%7.4%
25 to 3410.9%10.7%
35 to 448.8%9.8%
45 to 5418.1%12.9%
55 to 6415.0%17.3%
65 to 7410.5%15.1%
75 and over6.6%6.6%

Race & ethnicity (share)

ZIP 15521ZIP 15531
White (non-Hispanic)98.7%97.8%
Black or African American0.3%0.1%
American Indian & Alaska Native0.0%0.0%
Asian0.0%0.5%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races0.8%0.8%
Hispanic or Latino0.2%0.8%

Educational attainment (age 25+)

Share of adults 25+

ZIP 15521ZIP 15531
No high school diploma10.4%9.9%
High school graduate55.5%47.7%
Some college or associate's23.4%25.8%
Bachelor's degree6.5%13.5%
Graduate or professional degree4.1%3.0%

Commute to work

How workers get to work (share)

ZIP 15521ZIP 15531
Drove alone79.8%85.8%
Carpooled9.3%5.1%
Public transit0.0%0.0%
Walked5.6%2.5%
Bicycle0.0%0.0%
Worked from home4.9%6.5%
Other means0.4%0.1%

Housing

Units in structure (share)

ZIP 15521ZIP 15531
1-unit, detached77.4%79.0%
1-unit, attached0.0%5.2%
2 to 4 units2.4%7.0%
5 to 19 units0.0%1.7%
20 or more units0.0%0.3%
Mobile home & other20.2%6.8%

Poverty & households

ZIP 15521ZIP 15531
Poverty rate18.8%14.9%
Average household size2.672.22
Mean commute (minutes)2928
Median year structure built19741965

Full profiles

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