US Census Data

ZIP 18915 vs ZIP 18921

A side-by-side comparison of ZIP Code 18915 and ZIP Code 18921: population, income, housing, and more.

ZIP 18915 and ZIP 18921 are ZIP Code areas in Pennsylvania. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 18915 has the higher population (1,791 vs 177 in ZIP 18921). ZIP 18921 has the higher median household income ($239,028 vs $141,645 in ZIP 18915). ZIP 18915 has the higher median home value ($504,000 vs $385,200 in ZIP 18921).

Population, income & housing

ZIP 18915ZIP 18921
Population1,791177
Median age43.6 yrs58.4 yrs
Median household income$141,645$239,028
Median home value$504,000$385,200
Median gross rent$1,674
Housing units63178
Homeownership rate87.3%100.0%
Bachelor's degree or higher52.4%15.7%
Unemployment rate2.9%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 18915ZIP 18921
Population784 → 1,791 (+128.4%)210 → 177 (-15.7%)
Median household income$104,444 → $141,645 (+35.6%)$211,364 → $239,028 (+13.1%)
Median home value$332,200 → $504,000 (+51.7%)$354,900 → $385,200 (+8.5%)
Median gross rent$1,771 → $1,674 (-5.5%)

ZIP 18915

Population
7841,791
Median household income
$104,444$141,645
Median home value
$332,200$504,000
Median gross rent
$1,771$1,674

ZIP 18921

Population
210177
Median household income
$211,364$239,028
Median home value
$354,900$385,200

Age & race/ethnicity

Age distribution (share)

ZIP 18915ZIP 18921
Under 54.2%0.0%
5 to 1722.8%13.6%
18 to 243.1%0.0%
25 to 343.8%11.3%
35 to 4417.4%3.4%
45 to 5417.3%18.1%
55 to 6415.4%24.3%
65 to 749.9%19.8%
75 and over6.3%9.6%

Race & ethnicity (share)

ZIP 18915ZIP 18921
White (non-Hispanic)49.1%100.0%
Black or African American5.0%0.0%
American Indian & Alaska Native0.3%0.0%
Asian41.9%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races0.0%0.0%
Hispanic or Latino3.6%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 18915ZIP 18921
No high school diploma12.8%0.0%
High school graduate9.4%51.0%
Some college or associate's25.3%33.3%
Bachelor's degree29.1%11.8%
Graduate or professional degree23.3%3.9%

Commute to work

How workers get to work (share)

ZIP 18915ZIP 18921
Drove alone59.3%53.7%
Carpooled4.2%0.0%
Public transit2.4%0.0%
Walked3.6%0.0%
Bicycle0.0%0.0%
Worked from home27.5%46.3%
Other means3.0%0.0%

Housing

Units in structure (share)

ZIP 18915ZIP 18921
1-unit, detached38.4%91.0%
1-unit, attached48.3%0.0%
2 to 4 units11.6%9.0%
5 to 19 units0.0%0.0%
20 or more units1.7%0.0%
Mobile home & other0.0%0.0%

Poverty & households

ZIP 18915ZIP 18921
Poverty rate3.5%0.0%
Average household size2.842.27
Mean commute (minutes)33
Median year structure built19931963

Full profiles

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