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ZIP code 15421: Chalk Hill, PA

15421 is a ZIP code in Chalk Hill, Pennsylvania, mainly in Fayette County, part of the Pittsburgh, PA metro area. About 207 people live here.

Population
207
Median household income
$250,001
Typical home value
$222,500ACS median value
Median rent
—gross, per month
Median age
61.6
Homeowners
100%of occupied homes
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Shaded: ZIP code 15421's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 15421 details

CityChalk Hill
StatePennsylvania
CountyFayette County
Metro areaPittsburgh, PA
Time zoneEastern Time (UTC−5), observes daylight saving time
TypeStandard (delivery area)
Land area0.3 sq mi
Population density767 people per sq mi
Bachelor's degree or higher80% of adults 25+
Center coordinates39.84525, -79.59739

ZIP codes near 15421

ZIP codeCityDistancePopulation
15470Ohiopyle, PA3.5 mi601
15437Farmington, PA3.5 mi2,518
15445Hopwood, PA4.3 mi2,314
15431Dunbar, PA6.1 mi4,661
15456Lemont Furnace, PA6.3 mi2,534
15416Brownfield, PA6.7 mi531
15465Mount Braddock, PA6.9 mi508
15436Fairchance, PA7.0 mi1,750

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 15421?

A typical home in ZIP code 15421 is worth about $222,500 (ACS median value). The median household here earns $250,001 a year. See what buying here would cost per month, with Pennsylvania average taxes and insurance filled in.

Monthly payment for a $222,500 homeWhat can a $250,001 income afford?Rental property numbers

About ZIP code 15421

What city is ZIP code 15421?

ZIP code 15421 is in Chalk Hill, PA, in Fayette County.

What county is ZIP code 15421 in?

15421 is mainly in Fayette County, Pennsylvania.

What is the population of ZIP code 15421?

About 207 people live in ZIP code 15421, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 15421 in?

15421 is in Eastern Time (UTC−5). It observes daylight saving time.