US ZIP Code
15122

West Mifflin, PA

Allegheny County  ·  Pennsylvania

● Active
👥 18,939 Population ↓ 4% since 2019
💰 $68,984 Median HH Income
▼ 10% below avg ↑ 34% since 2019
🎂 46.0 Median Age ↓ 3% since 2019
🏠 $131,400 Median Home Value
▼ 53% below avg ↑ 33% since 2019
🎓 38.2% College Grads
≈ Avg
📊 8.6% Unemployment
▲ 75% above avg ↑ 25% since 2019
ZIP Code Details
ZIP Code15122
CityWest Mifflin
StatePennsylvania (PA)
CountyAllegheny County
Area Code412
Elevation981 ft
Latitude40.361206
Longitude-79.895641
TimezoneNew York (DST)
FIPS42003
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.4% (9,363) Female 50.6% (9,576) ♀

Race & Ethnicity

White: 81.2%Hispanic: 2.3%Black: 8.9%Asian: 1%Other: 6.5%Race
White81.2%
Hispanic2.3%
Black8.9%
Asian1.0%
Other6.5%

Age Breakdown

Under 5
4%
5–17
16%
18–24
7%
25–44
22%
45–64
30%
65+
9%

Key Indicators

Median Age46.0 yrs ↓ 3% since 2019
Avg Household Size2.24
Below Poverty12.0% ▲ 20% above avg
College Grads38.2% ≈ Avg
Unemployment8.6% ▲ 75% above avg
No HS Diploma50 (0.4%)
HS Graduate5,010 (37.6%)
Some College1,245 (9.3%)
Associates1,933 (14.5%)
Bachelors1,922 (14.4%)
Graduate Degree3,166 (23.8%)

Education

No HS: 0.4%HS Grad: 37.6%Some College: 9.3%Associates: 14.5%Bachelors: 14.4%Graduate: 23.8%Edu
No HS0.4%
HS Grad37.6%
Some College9.3%
Associates14.5%
Bachelors14.4%
Graduate23.8%
Housing & Income

Housing Tenure

Owner: 76.6%Renter: 23.4%Tenure
Owner76.6%
Renter23.4%

Home Value Distribution

Under $50k
5%
$50k–100k
23%
$100k–150k
33%
$150k–200k
21%
$200k–300k
12%
$300k–500k
5%
Over $500k
0%

Financials

Median HH Income$68,984 ▼ 10% below avg ↑ 34% since 2019
Median Home Value$131,400 ▼ 53% below avg ↑ 33% since 2019
Home/Income Ratio1.9x (nat avg ~3.5x)
Median Rent$795/mo ↑ 3% since 2019
Total Units9,121
Vacant Units762
Avg HH Size2.24

Income Distribution

Under $25k
19%
$25k–50k
14%
$50k–75k
17%
$75k–100k
19%
$100k–150k
21%
$150k–200k
5%
Over $200k
6%
Employment & Commute

How People Get to Work

Drove Alone
80%
Public Transit
6%
Walked
1%
Work From Home
13%

Commute Time

Under 15 min
25%
15–30 min
36%
30–45 min
22%
Over 45 min
17%
Housing Stock

Year Built

Before 1940
7%
1940s–1950s
31%
1960s–1970s
4%
1980s–1990s
4%
2000+
55%

Summary

Total Units9,121
Vacant762
Owner Occupied76.6%
Renter Occupied23.4%
Avg HH Size2.24
Frequently Asked Questions
ZIP code 15122 is in West Mifflin, PA, in Allegheny County.
ZIP code 15122 is located in Pennsylvania (PA).
ZIP code 15122 is in Allegheny County, PA.
ZIP 15122 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 15122 is 18,939 people (ACS 2023).
The median household income in ZIP code 15122 is $68,984 (ACS 2023).
The median home value in ZIP 15122 is $131,400 (ACS 2023).
About ZIP Code 15122

ZIP code 15122 is located in West Mifflin, Pennsylvania, within Allegheny County. With a population of 18,939, this is a moderately populated ZIP code with a mature community — the median age is 46 years. Economically, 15122 is a solidly middle-class ZIP code: the median household income of $68,984 is near the national average.

Real estate in ZIP code 15122 represents one of the more affordable housing markets in the country. The median home value of $131,400 is well below the national average. Renters can expect to pay around $795 per month in median rent. Homeownership is strong here — 76.6% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 33% since 2019.

The population of 15122 is primarily White (81.20%). Residents are moderately educated — 38.2% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 12.0%. Household income has grown by 34% since 2019.

The unemployment rate in 15122 stands at 8.6%, which is significantly above the national average. About 12% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 72%.

Overall, ZIP code 15122 in West Mifflin, PA is characterized as solidly middle-class, moderately educated, a mature community, and predominantly owner-occupied. With 18,939 residents, a median household income of $68,984, and a median home value of $131,400, it offers a clear picture of life in this part of Pennsylvania.