CensusEasy
ZIP CODE TABULATION AREA

18103

Pennsylvania · 48,746 residents · 17.158 sq mi
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ZIP 18103 has lower-than-average household income, with a median household income of $72,895. Population has held roughly steady since 2024. Median home value is $272,700. Among the 25 ZIP codes in Lehigh County, 18103 ranks 22nd by median household income.

$72,895
US average: $82,259
$272,700
US average: $376,019
27.6%
US average: 35.6%
Age, sex & households
Under 18
22.5%
Age 65+
17.3%
49.4%
50.6%
2.54 people
Race & ethnicity · 2024
2024
White, non-Hispanic45.2%(22,025)
Black6.7%(3,278)
Hispanic / Latino40.6%(19,787)
Asian3.6%(1,771)
Other3.9%(1,885)
Diversity Score78%(38,006)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Lehigh County
Income rank vs other ZIPs
LOWEST22ND 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 18103?

ZIP code 18103 has about 48,746 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 18103?

The typical household in ZIP code 18103 earns about $72,895 a year. Half of households make more than that, and half make less.

Is ZIP code 18103 expensive?

In ZIP code 18103, the median home is worth about $272,700, and the typical rent is about $1,368 a month.

How educated are people in ZIP code 18103?

About 27.6% of adults age 25 and over in ZIP code 18103 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 18103?

About 10.3% of people in ZIP code 18103 live below the federal poverty line.

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