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ZIP CODE TABULATION AREA

18109

Pennsylvania · 18,446 residents · 8.248 sq mi
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ZIP 18109 has notably lower household income than the US average, with a median household income of $58,031. Population has held roughly steady since 2024. 16% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value is $198,800. Households here earn about 28% less than the Lehigh County median. Among the 25 ZIP codes in Lehigh County, 18109 ranks 23rd by median household income.

$58,031
US average: $82,259
$198,800
US average: $376,019
16.0%
US average: 35.6%
Age, sex & households
Under 18
22.9%
Age 65+
14.7%
49.7%
50.3%
2.61 people
Race & ethnicity · 2024
2024
White, non-Hispanic30.6%(5,649)
Black11.3%(2,084)
Hispanic / Latino53.6%(9,896)
Asian1.3%(239)
Other3.1%(578)
Diversity Score75.6%(13,938)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Lehigh County
Income rank vs other ZIPs
LOWEST23RD OF 25HIGHEST
Adjacent ZIPs
18018$75,417
18031$113,625
18032$81,098
18034$153,200
Frequently asked

How many people live in ZIP code 18109?

ZIP code 18109 has about 18,446 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 18109?

The typical household in ZIP code 18109 earns about $58,031 a year. Half of households make more than that, and half make less.

Is ZIP code 18109 expensive?

In ZIP code 18109, the median home is worth about $198,800, and the typical rent is about $1,331 a month.

How educated are people in ZIP code 18109?

About 16.0% of adults age 25 and over in ZIP code 18109 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 18109?

About 18.1% of people in ZIP code 18109 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024