Postal Codes

15321 ZIP Code

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ZIP code 15321 covers Cecil, Pennsylvania, with a population of about 1,859 and a median household income of $118,333.

Population
1,859974 per square mile
Median age
32.76 points below the US average
Median household income
$118,3331.6× the Pennsylvania median
Poverty rate
1.9%10.5 points below the US average
Typical home value
$304,132up 16.1% in five years
Median rent
$1,6101.4× the Pennsylvania median
Degree or higher
44.2%9.2 points above the US average
Homeownership
80%15 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
44

Where 15321 is

Cecil, 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

Population1,859
Median age32.7
Family households77.7%
Born outside the US1.2%
Speaks a language other than English at home0.8%
White (non-Hispanic)91.7%
Black (non-Hispanic)0%
Asian (non-Hispanic)1.4%
Hispanic or Latino0%
Veterans5.1%
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$118,333
Income per person$54,585
Poverty rate1.9%
Households on SNAP or cash assistance10.3%

Household income distribution

Under $10k1.8%
$10–15k0.0%
$15–20k1.7%
$20–25k1.8%
$25–30k0.0%
$30–35k0.0%
$35–40k4.4%
$40–45k4.8%
$45–50k4.2%
$50–60k9.7%
$60–75k5.2%
$75–100k13.4%
$100–125k6.5%
$125–150k20.0%
$150–200k12.7%
$200k or more13.8%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed940
Mean adjusted gross income$80,743
Returns declaring $200,000 or more6.4%
Returns, under $25k24.5%
Returns, $25k–$50k20.2%
Returns, $50k–$75k13.8%
Returns, $75k–$100k11.7%
Returns, $100k–$200k23.4%
Returns, $200k or more6.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$309,500
Median gross rent$1,610
Owner-occupied80%
Vacant homes10.4%
Median year built1976

What the homes are

Detached house86.4%
Attached house4.5%
2 to 4 units4.3%
Mobile home4.8%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$304,132as of 2026-07
Typical home value, 1 yearup 6.1%
Typical home value, 5 yearsup 16.1%
Typical home value, 10 yearsup 73.7%
Typical home value since 2000
201320192026$304,132$158,324

$158,324 in 2013 to $304,132 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher44.2%
High school diploma or higher99.4%
Works from home18.1%
Drives to work alone74.4%
Takes public transport0.8%
Commutes 45 minutes or more12.4%
Health

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

Colorectal screening70.2% 5.9 pts above the national average of 64.3%
Visited a dentist70.7% 9.4 pts above the national average of 61.3%
Mammography use81% 5.1 pts above the national average of 75.9%
Sleeps under 7 hours35.6% 0.8 pts below the national average of 36.4%
All natural teeth lost5.8% 7.2 pts below the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments44
People employed223
Annual payroll$12,703,000
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 20.8% of US census tracts
FEMA ratingVery Low to Relatively Low across the 3 census tracts this ZIP code covers
Expected annual loss41.3 out of 100
Community resilience81.3 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.

Landslide91.9Relatively Low at its worst in this ZIP code
Wildfire62.5Very Low at its worst in this ZIP code
Lightning60.5Relatively Moderate at its worst in this ZIP code
Hail55.5Relatively Low at its worst in this ZIP code
River flooding54.8Relatively Moderate at its worst in this ZIP code
Hurricane42.8Very Low at its worst in this ZIP code
Ice storm31.9Relatively Low at its worst in this ZIP code
Tornado31.3Relatively Low at its worst in this ZIP code
Strong wind26.7Relatively Low at its worst in this ZIP code
Cold wave24.5Relatively Moderate at its worst in this ZIP code
Winter weather23.6Relatively Moderate at its worst in this ZIP code
Earthquake21.4Very Low at its worst in this ZIP code
Heat wave10.2Relatively 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$118,333$76,081$78,538
Income per person$54,585$43,104$43,289
Poverty rate1.9%11.8%12.4%
Median home value$309,500$240,500$303,400
Median gross rent$1,610$1,162$1,348
Homeownership80%69.3%65%
Bachelor's degree or higher44.2%34.5%35%
Unemployment rate0%5.2%5.2%
Works from home18.1%13.8%13.5%
Born outside the US1.2%7.4%13.9%
Median age32.740.938.7
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 stationWASHINGTON 3 NE, PA US16.1 km away
Rain in a year41 in
Snow in a year32 in

Average high and low by month

January36.8°F / 20°F3.32 in rain, 9.9 in snow
February40.1°F / 21.7°F2.52 in rain, 7.5 in snow
March49.4°F / 28.7°F3.51 in rain, 6.1 in snow
April62.6°F / 39.5°F3.26 in rain, 0.6 in snow
May71.9°F / 49.1°F4.14 in rain
June79.8°F / 57.9°F4.48 in rain
July83.4°F / 61.7°F3.63 in rain
August82.5°F / 60.3°F3.48 in rain
September76.1°F / 53.5°F3.57 in rain
October64.2°F / 42.6°F3 in rain
November51.9°F / 33.4°F3.11 in rain, 1.8 in snow
December41.4°F / 25.9°F3.32 in rain, 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 supermarket14% of this ZIP code's area
No vehicle and far from a supermarket14% of this ZIP code's area
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%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Canon-McMillan School District85.9% of this ZIP code's land area
South Fayette Township School District14.1% 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 vulnerability11more vulnerable than 11% of US census tracts
Socioeconomic status7more vulnerable than 7% of US census tracts
Household characteristics24more vulnerable than 24% of US census tracts
Racial and ethnic minority status8more vulnerable than 8% of US census tracts
Housing type and transport34more vulnerable than 34% of US census tracts
Walkability6.8 out of 20Below average
Nearby ZIP codes

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

15350 Muse, PA3.6 km away
15339 Hendersonville, PA3.7 km away
15031 Cuddy, PA3.9 km away
15064 Morgan, PA5.3 km away
15361 Southview, PA5.8 km away
15055 Lawrence, PA5.9 km away
15317 Canonsburg, PA6.1 km away
15017 Bridgeville, PA6.7 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.

Washington County85.9% of this ZIP code's land area
Allegheny County14.1% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area1.91 sq mi
Population density974 people per sq mi
Latitude, longitude40.3234, -80.1879

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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