Postal Codes

15421 ZIP Code

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ZIP code 15421 covers Chalk Hill, Pennsylvania, with a median household income of $250,000.

Median age
62.724 points above the US average
Median household income
$250,000+3.3× the Pennsylvania median
Poverty rate
0%12.4 points below the US average
Median home value
$229,900about the Pennsylvania median
Degree or higher
71.4%36.4 points above the US average
Homeownership
100%35 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
19

Where 15421 is

Chalk Hill, Pennsylvania — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Median age62.7
Family households32.7%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)100%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans9.5%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$250,000+
Income per person$139,582
Poverty rate0%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k0.0%
$35–40k0.0%
$40–45k0.0%
$45–50k0.0%
$50–60k16.3%
$60–75k0.0%
$75–100k0.0%
$100–125k0.0%
$125–150k0.0%
$150–200k32.7%
$200k or more51.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$229,900
Owner-occupied100%
Vacant homes63.2%
Median year built1961

What the homes are

Detached house100%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher71.4%
High school diploma or higher100%
Works from home0%
Drives to work alone28.6%
Takes public transport0%
Commutes 45 minutes or more0%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Colorectal screening72.1% 7.8 pts above the national average of 64.3%
Visited a dentist64% 2.7 pts above the national average of 61.3%
Mammography use73.3% 2.6 pts below the national average of 75.9%
Sleeps under 7 hours32.7% 3.7 pts below the national average of 36.4%
All natural teeth lost21.3% 8.3 pts above the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments19
People employed131
Annual payroll$6,062,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 28.1% of US census tracts
FEMA ratingRelatively Low
Expected annual loss20.9 out of 100
Community resilience56.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide95.8Relatively Moderate at its worst in this ZIP code
Wildfire79.3Relatively Low at its worst in this ZIP code
Drought77.2Very Low at its worst in this ZIP code
Hail69.3Relatively Low at its worst in this ZIP code
Lightning65Relatively Moderate at its worst in this ZIP code
River flooding61.7Relatively Moderate at its worst in this ZIP code
Strong wind59.6Relatively Moderate at its worst in this ZIP code
Winter weather55.9Relatively Moderate at its worst in this ZIP code
Hurricane50Very Low at its worst in this ZIP code
Tornado49.3Relatively Low at its worst in this ZIP code
Ice storm32.9Very Low at its worst in this ZIP code
Earthquake27.7Very Low at its worst in this ZIP code
Cold wave17.8Very Low at its worst in this ZIP code
Heat wave4.4Very Low at its worst in this ZIP code
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Compared with Pennsylvania and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPPennsylvaniaUnited States
Median household income$250,000+$76,081$78,538
Income per person$139,582$43,104$43,289
Poverty rate0%11.8%12.4%
Median home value$229,900$240,500$303,400
Median gross rent$1,162$1,348
Homeownership100%69.3%65%
Bachelor's degree or higher71.4%34.5%35%
Unemployment rate0%5.2%5.2%
Works from home0%13.8%13.5%
Born outside the US0%7.4%13.9%
Median age62.740.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationCHALK HILL 2 ENE, PA US0.9 km away
Rain in a year56 in
Snow in a year89 in

Average high and low by month

January34.4°F / 15.4°F4.56 in rain, 26.9 in snow
February38.3°F / 16.5°F4.11 in rain, 18 in snow
March47.5°F / 23.5°F5.02 in rain, 15.5 in snow
April60.7°F / 33.4°F4.72 in rain, 3.7 in snow
May69.4°F / 43.2°F5.2 in rain
June75.2°F / 51.7°F5.74 in rain
July78.6°F / 55.5°F4.65 in rain
August76.9°F / 54.3°F4.54 in rain
September71.2°F / 47.1°F4.7 in rain
October60.8°F / 36.4°F3.8 in rain, 0.9 in snow
November49.4°F / 27.3°F4.13 in rain, 6.2 in snow
December38.7°F / 20.2°F4.51 in rain, 17.6 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Uniontown Area School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability37more vulnerable than 37% of US census tracts
Socioeconomic status22more vulnerable than 22% of US census tracts
Household characteristics14more vulnerable than 14% of US census tracts
Racial and ethnic minority status28more vulnerable than 28% of US census tracts
Housing type and transport87more vulnerable than 87% of US census tracts
Walkability4.3 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

15437 Farmington, PA4.4 km away
15445 Hopwood, PA5.8 km away
15470 Ohiopyle, PA6.5 km away
15416 Brownfield, PA9.7 km away
15456 Lemont Furnace, PA10.4 km away
15465 Mount Braddock, PA10.7 km away
15401 Uniontown, PA12.1 km away
15440 Gibbon Glade, PA12.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Fayette County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area0.27 sq mi
Latitude, longitude39.8451, -79.5991

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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