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ZIP CODE TABULATION AREA

18421

Pennsylvania · 4,603 residents · 37.292 sq mi
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ZIP 18421 has lower-than-average household income, with a median household income of $68,256. Population has held roughly steady since 2024. 20% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value is $171,400. Among the 22 ZIP codes in Susquehanna County, 18421 ranks 15th by median household income.

$68,256
US average: $82,259
$171,400
US average: $376,019
19.5%
US average: 35.6%
Age, sex & households
Under 18
21.8%
Age 65+
20.9%
48.0%
52.0%
2.37 people
Race & ethnicity · 2024
2024
White, non-Hispanic91.4%(4,206)
Black0.9%(42)
Hispanic / Latino4.5%(208)
Asian0.2%(8)
Other3%(139)
Diversity Score20.3%(932)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Susquehanna County
Income rank vs other ZIPs
LOWEST15TH OF 22HIGHEST
Adjacent ZIPs
18430$92,083
18441$85,938
18446$71,157
Frequently asked

How many people live in ZIP code 18421?

ZIP code 18421 has about 4,603 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 18421?

The typical household in ZIP code 18421 earns about $68,256 a year. Half of households make more than that, and half make less.

Is ZIP code 18421 expensive?

In ZIP code 18421, the median home is worth about $171,400, and the typical rent is about $866 a month.

How educated are people in ZIP code 18421?

About 19.5% of adults age 25 and over in ZIP code 18421 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 18421?

About 13.9% of people in ZIP code 18421 live below the federal poverty line.

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