PlainZIP

West Mifflin, PA · standard

ZIP Code 15122

Allegheny County, Pennsylvania - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

20,131
617/sq mi
$72,485
Median income
$151,400
Median home value
23.7%
Bachelor's or higher

The verdict

West Mifflin pairs an above-median household income with below-median home values, in a low-density, homeowner-dominated area.

Top 49%
household income, US ZIPs
26th pct
home value, US ZIPs
617
people per sq mi
78%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 15122 against every reporting US ZIP.

ZIP code 15122 is a densely settled ZIP (a standard USPS delivery area) in West Mifflin, Allegheny County, Pennsylvania, with 20,131 residents across 32.6 square miles, a density of 617 people per square mile, in the New York time zone.

ZIP 15122 lands in the middle-income range, with a median household income of $72,485 (7% below the Pennsylvania average), while per-capita income is $37,759. 12.0% of residents live below the poverty line, and the unemployment rate reads 8.5%. The typical home here is valued at $151,400 (33% below the state average); renters pay a median of $837 monthly, and 78.4% of units are owner-occupied.

Educational attainment sits below the national norm: 23.7% of adults hold a bachelor's degree or higher, the median age is 44.5, and the average commute is 26 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 15122, plus 6 more within Allegheny County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 15122

Top 5 sectors by establishment count in West Mifflin, PA

Which industries have the most business establishments in ZIP 15122.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 15122, West Mifflin, PA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

20,131

Population

32.6

Area (sq mi)

617

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 15122?

44.5

Median Age

51.1%

Male

48.9%

Female

2.0%

Foreign-Born

White 84.1%
African American 9.3%
Asian 0.9%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.3%
Hispanic or Latino 3.2%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$72,485

Median Household Income

-7% vs state

$37,759

Per Capita Income

12.0%

Poverty Rate

8.5%

Unemployment Rate

25.8 min

Mean Commute Time

How ZIP 15122 ranks nationally

West Mifflin, PA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$72,485 Top 49% higher than 51% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 60.9%
Bachelor's Degree or Higher 23.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

8,913

Total Housing Units

8,185

Occupied Units

728

Vacant Units

2.27

Avg Household Size

Occupancy Type

Owner 78.4%
Renter 21.6%

$151,400

Median Home Value

-33% vs state

$837

Median Rent

1957

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+6.7%

YoY Change (2024)

237

HPI Index (2000 = 100)

+137%

Total Change Since 2000

Home values in ZIP 15122 have increased 6.7% over the past year (2024). Since 2000, this ZIP has seen +137% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.2% 155
2021 +15.1% 179
2022 +19.6% 214
2023 +4.0% 222
2024 +6.7% 237

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 349 business establishments in ZIP 15122, employing approximately 11,920 people with a combined annual payroll of $878,674,000.

349

Businesses

11,920

Employees

$878.7M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Retail trade 66 18.9%
Health care and social assistance 57 16.3%
Accommodation and food services 40 11.5%
Other services (except public administration) 39 11.2%
Construction 26 7.5%
Administrative and support and waste management and remediation services 19 5.4%
Professional, scientific, and technical services 18 5.2%
Transportation and warehousing 16 4.6%
Finance and insurance 13 3.7%
Wholesale trade 11 3.1%
Information 9 2.6%
Educational services 9 2.6%
Arts, entertainment, and recreation 9 2.6%
Real estate and rental and leasing 7 2.0%
Manufacturing 5 1.4%
Management of companies and enterprises 3 0.9%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 15122 vs 15034 →

ZIP 15122 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 15122 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 15122 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 15122 ranks #3 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
15034 Dravosburg, PA 1,792 1.0 mi
15120 Homestead, PA 18,931 2.5 mi
15045 Glassport, PA 4,483 2.6 mi
15110 Duquesne, PA 5,565 3.0 mi
15207 Pittsburgh, PA 11,268 3.2 mi
15133 Mckeesport, PA 6,432 3.2 mi
15025 Clairton, PA 15,944 4.3 mi
15218 Pittsburgh, PA 13,851 4.5 mi
15227 Pittsburgh, PA 28,156 3.6 mi
15132 Mckeesport, PA 21,472 3.6 mi

More ZIP Codes in Allegheny County

15237 standard
Pittsburgh, PA
Pop: 41,895
15108 standard
Coraopolis, PA
Pop: 40,153
15235 standard
Pittsburgh, PA
Pop: 34,580
15221 standard
Pittsburgh, PA
Pop: 31,060
15213 standard
Pittsburgh, PA
Pop: 30,844
15236 standard
Pittsburgh, PA
Pop: 29,724

Related Areas

Allegheny County West Mifflin, PA Pennsylvania

Frequently Asked Questions

What county is ZIP code 15122 in? ▼
ZIP code 15122 (West Mifflin) is located in Allegheny County, Pennsylvania. Allegheny County contains multiple ZIP codes, see the full list at /counties/allegheny-pa.
What is the population of ZIP code 15122? ▼
ZIP code 15122 in West Mifflin, PA has a population of 20,131 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 15122? ▼
The median household income in ZIP 15122 is $72,485, which is 5% below the national average of $76,288.
What is the average home value in ZIP 15122? ▼
The median home value in ZIP 15122 is $151,400, which is 46% below the national average of $278,155.
What is the demographic makeup of ZIP 15122? ▼
The largest racial group in ZIP 15122 is White at 84.1%. Hispanic or Latino residents make up 3.2% of the population.
How many businesses are in ZIP code 15122? ▼
ZIP code 15122 has 349 business establishments employing approximately 11,920 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 15122? ▼
The top industries by establishment count in ZIP 15122 are: Retail trade (66), Health care and social assistance (57), Accommodation and food services (40). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 15122? ▼
According to the FHFA House Price Index, home values in ZIP 15122 increased by 6.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 137%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 15122? ▼
In ZIP code 15122, 60.9% of residents aged 25+ have a high school diploma or higher, and 23.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 15122? ▼
The mean commute time for workers in ZIP code 15122 is 25.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 15122? ▼
In ZIP code 15122, approximately 78.4% of occupied housing units are owner-occupied and 21.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 15122? ▼
The poverty rate in ZIP code 15122 is 12.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.