Postal Codes

15122 ZIP Code

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ZIP code 15122 covers West Mifflin, Pennsylvania, with a population of about 18,939 and a median household income of $68,984.

Population
18,9391,465 per square mile
Median age
467.3 points above the US average
Median household income
$68,9849% below the Pennsylvania median
Poverty rate
12.1%about the US average
Typical home value
$161,678up 13.5% in five years
Median rent
$79532% below the Pennsylvania median
Degree or higher
23.4%11.6 points below the US average
Homeownership
76.6%11.6 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
342

Where 15122 is

West Mifflin, 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

Population18,939
Median age46
Family households57.7%
Born outside the US1.2%
Speaks a language other than English at home6.6%
White (non-Hispanic)81.2%
Black (non-Hispanic)8.8%
Asian (non-Hispanic)1%
Hispanic or Latino2.3%
Veterans7.5%
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$68,984
Income per person$36,744
Poverty rate12.1%
Households on SNAP or cash assistance17.5%

Household income distribution

Under $10k6.5%
$10–15k2.9%
$15–20k6.2%
$20–25k2.8%
$25–30k2.6%
$30–35k3.9%
$35–40k5.2%
$40–45k2.6%
$45–50k3.8%
$50–60k8.4%
$60–75k7.5%
$75–100k17.8%
$100–125k11.2%
$125–150k8.6%
$150–200k4.7%
$200k or more5.3%

Income as declared to the IRS

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

Tax returns filed10,000
Mean adjusted gross income$58,978
Returns declaring $200,000 or more1.5%
Returns, under $25k27.9%
Returns, $25k–$50k26.3%
Returns, $50k–$75k17.7%
Returns, $75k–$100k11.5%
Returns, $100k–$200k15.1%
Returns, $200k or more1.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$131,400
Median gross rent$795
Rent as a share of household income27.4%
Owner-occupied76.6%
Vacant homes8.4%
Median year built1956

What the homes are

Detached house76.2%
Attached house7.3%
2 to 4 units1.1%
5 to 19 units4.1%
20 or more units9.2%
Mobile home2.1%
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$161,678as of 2026-07
Typical home value, 1 yearup 1.1%
Typical home value, 5 yearsup 13.5%
Typical home value, 10 yearsup 83.9%
Typical home value since 2000
200020132026$161,678$65,129

$65,129 in 2000 to $161,678 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8.6%
Bachelor's degree or higher23.4%
High school diploma or higher94.6%
Works from home12.2%
Drives to work alone72.3%
Takes public transport5.5%
Commutes 45 minutes or more17%
Health

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

Colorectal screening67.2% 2.9 pts above the national average of 64.3%
Visited a dentist62.3% 1 pts above the national average of 61.3%
Mammography use78.9% 3 pts above the national average of 75.9%
Sleeps under 7 hours36.4% same as the national average of 36.4%
All natural teeth lost13.1% same as the national average of 13%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments342
People employed11,988
Annual payroll$911,536,000
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 15.2% of US census tracts
FEMA ratingVery Low to Relatively Low across the 8 census tracts this ZIP code covers
Expected annual loss17.5 out of 100
Community resilience87.2 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.

Landslide81.2Relatively Low at its worst in this ZIP code
Cold wave61.6Relatively Moderate at its worst in this ZIP code
Ice storm53.6Relatively Low at its worst in this ZIP code
Wildfire50.3Very Low at its worst in this ZIP code
Hurricane45.4Very Low at its worst in this ZIP code
Winter weather41.9Relatively Low at its worst in this ZIP code
Strong wind39.2Relatively Low at its worst in this ZIP code
River flooding35.9Relatively Moderate at its worst in this ZIP code
Tornado33.7Relatively Low at its worst in this ZIP code
Earthquake27.7Very Low at its worst in this ZIP code
Lightning25.2Relatively Low at its worst in this ZIP code
Heat wave20Relatively Low at its worst in this ZIP code
Hail11.3Very 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$68,984$76,081$78,538
Income per person$36,744$43,104$43,289
Poverty rate12.1%11.8%12.4%
Median home value$131,400$240,500$303,400
Median gross rent$795$1,162$1,348
Homeownership76.6%69.3%65%
Bachelor's degree or higher23.4%34.5%35%
Unemployment rate8.6%5.2%5.2%
Works from home12.2%13.8%13.5%
Born outside the US1.2%7.4%13.9%
Median age4640.938.7
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 stationMCKEESPORT, PA US2.7 km away
Rain in a year42 in

Average high and low by month

January38.5°F / 20.5°F3.04 in rain
February41.7°F / 21.7°F2.54 in rain
March50.9°F / 28.5°F3.2 in rain
April63.9°F / 37.7°F3.76 in rain
May73.5°F / 47.4°F3.99 in rain
June81.2°F / 56.6°F5 in rain
July85°F / 61.1°F4.12 in rain
August83.4°F / 60.1°F3.53 in rain
September76.8°F / 53°F3.45 in rain
October65°F / 41.7°F3.2 in rain
November52.8°F / 32°F2.98 in rain
December42.5°F / 25.4°F3.55 in rain
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 supermarket45% of this ZIP code's area
No vehicle and far from a supermarket40% 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.

West Mifflin Area School District98.3% of this ZIP code's land area
West Jefferson Hills School District1.7% 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 vulnerability36more vulnerable than 36% of US census tracts
Socioeconomic status39more vulnerable than 39% of US census tracts
Household characteristics42more vulnerable than 42% of US census tracts
Racial and ethnic minority status23more vulnerable than 23% of US census tracts
Housing type and transport44more vulnerable than 44% of US census tracts
Walkability10.8 out of 20Above average
Nearby ZIP codes

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

15110 Duquesne, PA1.4 km away
15131 Mckeesport, PA1.7 km away
15132 Mckeesport, PA1.7 km away
15133 Mckeesport, PA1.7 km away
15134 Mckeesport, PA1.7 km away
15135 Mckeesport, PA1.7 km away
15034 Dravosburg, PA2.3 km away
15104 Braddock, PA4.5 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.

Allegheny County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area12.93 sq mi
Water area0.19 sq mi
Population density1,465 people per sq mi
Latitude, longitude40.3634, -79.8664

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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