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ZIP CODE TABULATION AREA

18631

Pennsylvania · 1,100 residents · 1.42 sq mi
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ZIP 18631 is home to 1,100 people in Columbia County. At a median age of 47.0, this is an older place than the country as a whole. 78% of homes are owner-occupied. The foreign-born share is 3%. That trails the Columbia County median by roughly 29%. The median household earns $46,125, about 44% below the national median. Among the 11 ZIP codes in Columbia County, 18631 ranks 10th by median household income.

$46,125
US average: $82,259
$29,601
US average: $44,673
$214,100
US average: $376,019
29.6%
US average: 35.6%
Land area
1.42 sq mi
Age, sex & households
Under 18
20.2%
Age 65+
24.9%
49.4%
50.6%
2.13 people
Race & ethnicity · 2024
2024
White, non-Hispanic95.3%(1,048)
Black1.5%(17)
Hispanic / Latino3.2%(35)
Asian0%(0)
Other0%(0)
11
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
4.6
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Columbia County
Income rank vs other ZIPs
LOWEST10TH OF 11HIGHEST
Adjacent ZIPs
17814$65,089
17815$67,510
17820$67,685
17824$118,176
Frequently asked

How many people live in ZIP code 18631?

ZIP code 18631 has about 1,100 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 18631?

The typical household in ZIP code 18631 earns about $46,125 a year. Half of households make more than that, and half make less.

Is ZIP code 18631 expensive?

In ZIP code 18631, the median home is worth about $214,100, and the typical rent is about $959 a month.

How educated are people in ZIP code 18631?

About 29.6% of adults age 25 and over in ZIP code 18631 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 18631?

About 14.2% of people in ZIP code 18631 live below the federal poverty line.

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