West Mifflin, PA demographics:
population, income, and more

Total population
17,155
-0.7% year-over-year change
Median household income
$72,485/yr
5.1% year-over-year change
Housing units
8,126
-2.3% year-over-year change

West Mifflin population

How many people live in West Mifflin

West Mifflin is home to 17,155 residents, according to the most recent Census data. Gender-wise, 51.1% of West Mifflin locals are male, and 48.9% are female.

Total population
17,155
-0.7% year-over-year change
Gender ratio
Male
51.1%
8,763
Female
48.9%
8,393
Value Percent YoY change
Male 8,763 51.1% 2.6%
Female 8,393 48.9% -3.9%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in West Mifflin is 44, with the population distributed as follows: about 17% are children under 15, then 10.5% are in the 15 to 24 age group. Adults between 25 and 44 make up 22.8% of the population, while another 28.9% fall into the 45 to 64 bracket. Finally, around 20.8% are 65 or older.

Median age
44.5
Age breakdown
Under 15
17%
15 to 24
10.5%
25 to 44
22.8%
45 to 64
28.9%
Over 65
20.8%
Value Percent YoY change
Under 15 2,921 17% 0.9%
15 to 24 1,801 10.5% 6.2%
25 to 44 3,909 22.8% 3.0%
45 to 64 4,958 28.9% -4.7%
Over 65 3,567 20.8% -3.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In West Mifflin, 97.7% of the population are US-born citizens, while 1.1% have gained naturalized citizenship. At the same time, 1.2% of residents are non-citizens. As for race, 84.1% of locals are Caucasian, 9.3% are African American and 0.9% have Asian roots. There’s also a share of 5.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
97.7%
Non-U.S.-born citizens
1.1%
Non-citizens
1.2%
Value Percent YoY change
U.S.-born citizens 16,765 97.7% -1.3%
Non-U.S.-born citizens 186 1.1% -3.6%
Non-citizens 204 1.2% 145.8%
Racial breakdown
White
84.1%
Black or African American
9.3%
American Indian and Alaska Native
0.2%
Asian
0.9%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.3%
Other
0.2%
Value Percent
White 14,429 84.1%
Black or African American 1,590 9.3%
American Indian and Alaska Native 35 0.2%
Asian 160 0.9%
Two or more races 909 5.3%
Other 32 0.2%

Households in West Mifflin

A peek inside West Mifflin households

West Mifflin has 7,463 households, with an average of 2 members in each. Of these, 55.7% are families, while the remaining 44.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
7,463
-2.1% year-over-year change
Average people per household
2
Non-family households
3,302
Family households
4,160
Value Percent YoY change
Non-family households 3,302 44.2% 2.5%
Family households 4,160 55.7% -5.4%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in West Mifflin

The housing landscape of West Mifflin

West Mifflin's housing consists of 8,126 units, with 80.4% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 4.5% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.5% of the housing landscape.

Housing units
8,126
-2.3% year-over-year change
Housing types
Value Percent
1 unit, detached 6,536 80.4%
1 unit, attached 366 4.5%
2 units 18 0.2%
3 or 4 units 93 1.1%
5 to 9 units 220 2.7%
10 to 19 units 76 0.9%
20 to 49 units 305 3.8%
50 or more units 389 4.8%
Mobile home 124 1.5%
Homes built since 2020
23
-34.3% year-over-year change

The age of buildings in West Mifflin

In West Mifflin, the median construction year is 1957. About 13.4% of homes were built before the 1940s, with another 13.5% going up by 1949. Most development happened in the second half of the 20th century. Then, 3.8% of homes were added from 2000 to 2009, 0.8% between 2010 and 2019, and 0.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1,086 13.4% -10.8%
Built between 1940 and 1949 1,100 13.5% 1.9%
Built between 1950 and 1959 2,855 35.1% -8.8%
Built between 1960 and 1969 1,252 15.4% 20.6%
Built between 1970 and 1979 737 9.1% 9.3%
Built between 1980 and 1989 473 5.8% -23.1%
Built between 1990 and 1999 232 2.8% -30.3%
Built between 2000 and 2009 308 3.8% 129.8%
Built between 2010 and 2019 61 0.8% -1.6%
Built in 2020 or later 23 0.3% -34.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

West Mifflin occupancy rates

Out of the 7,463 occupied housing units in West Mifflin, 78.4% are owner-occupied, while 21.6% are lived in by tenants. Meanwhile, 8.2% of all homes on the local market sit vacant.

Occupied housing units
7,463
-2.1% year-over-year change
Occupancy breakdown
Renter occupied
1,616
Owner occupied
5,847
Value Percent YoY
change
Renter occupied 1,616 21.6% -9.3%
Owner occupied 5,847 78.4% 0.1%
Unoccupied housing units
8.2%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

West Mifflin housing costs

Housing costs in West Mifflin come to a median of $931 per month, while tenants specifically pay a median gross rent of $837.

Median housing costs per month
$931/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in West Mifflin
$837/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in West Mifflin

West Mifflin education at a glance

About 43.2% of the population in West Mifflin went to high school, while 20% pursued college studies. Another 12.3% earned an associate degree and 15.4% hold a bachelor’s. Meanwhile, 7.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 237 1.7% 73.0%
High school diploma 5,909 43.2% -1.6%
College diploma 2,738 20% -2.5%
Associate degree 1,686 12.3% -6.2%
Bachelor's degree 2,110 15.4% 10.7%
Graduate degree 997 7.3% -14.1%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in West Mifflin

How much people earn in West Mifflin

The average annual household income in West Mifflin was $74,645 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4% change from the previous year. At the same time, the median income stood at $72,485, reflecting a +5.1% shift over the same period.

Average household income in West Mifflin
$74,645/year
4.0% year-over-year change
Median household income in West Mifflin
$72,485/year
5.1% year-over-year change

West Mifflin income by age

In West Mifflin, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $97,958. Those with someone between 45 and 64 in charge, often well established professionally, earn $92,056 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $36,812, while those led by someone over 65, many of whom may be retired, have about $50,862 in earnings. Overall, 88% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $36,812 -1.0%
25 - 44 $97,958 5.5%
45 - 64 $92,056 3.8%
Over 65 $50,862 11.0%
Above poverty level
14,786
Below poverty level
2,009
Value Percent YoY
change
Above poverty level 14,786 88% -1.2%
Below poverty level 2,009 12% -1.9%

Average renter income in West Mifflin

To get a better sense of what renters earn on average in West Mifflin, their median household income was $34,815 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 28.8%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$34,815
Rent-to-income ratio
28.8%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in West Mifflin

Workforce and job types in West Mifflin

74.1% of the working population are employed in professional or administrative positions, while 25.9% are in hands-on or service-based jobs. Also, 5.6% run their own businesses, 66.2% are employed by private companies, and 8.8% work in the public sector.

Workforce demographics

White collar
6,174
Blue collar
2,163
Value Percent YoY change
White collar 6,174 74.1% -4.0%
Blue collar 2,163 25.9% 21.1%
Employer type
Self employees
5.6%
Private companies
66.2%
Governmental workers
8.8%
Not for profit companies
19.4%
Value Percent YoY change
Self employees 464 5.6% 64.5%
Private companies 5,521 66.2% 3.0%
Governmental workers 736 8.8% -10.7%
Not for profit companies 1,617 19.4% -7.7%

Transportation in West Mifflin

How people get around in West Mifflin

In West Mifflin, the average commute time is 24 minutes. Commuting methods vary: 94.6% of residents travel by personal vehicle and 0.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Commute time
24 min
-4.0% year-over-year change
Means of transportation
Value Percent YoY change
Car 6,574 94.6% 0.6%
Taxicab 11 0.2% 120.0%
Bus or trolleybus 300 4.3% -33.2%
Motorcycle 9 0.1% N/A
Walk 52 0.8% -16.1%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in West Mifflin by zipcode?

Zipcode Population Number of households Median income Average income
15122 18,816 8,185 $72,485 $85,055

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FAQs about West Mifflin demographics 

What is the total population of West Mifflin?

West Mifflin has a total population of 17,155 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -0.7% compared to a year ago.

What is the gender ratio in West Mifflin?

The gender ratio in West Mifflin is as follows:
  • 51.1% males (8,763 residents)
  • 48.9% females (8,393 residents)

What is the median age in West Mifflin?

The median age in West Mifflin is 44.5.

What is the age distribution of the population in West Mifflin?

The age distribution in West Mifflin is as follows:
  • Under 15: 17% (2,921 residents)
  • Ages 15-24: 10.5% (1,801 residents)
  • Ages 25-44: 22.8% (3,909 residents)
  • Ages 45-64: 28.9% (4,958 residents)
  • Over 65: 20.8% (3,567 residents)

What is the racial and ethnic makeup of West Mifflin?

The racial and ethnic makeup of West Mifflin is as follows:
  • White: 84.1% (14,429 residents)
  • Black or African American: 9.3% (1,590 residents)
  • American Indian and Alaska Native: 0.2% (35 residents)
  • Asian: 0.9% (160 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 5.3% (909 residents)
  • Other: 0.2% (32 residents)

What percentage of the population in West Mifflin are U.S.-born citizens?

U.S.-born citizens represent 97.7% of the population in West Mifflin.

How many housing units are there in West Mifflin?

There are 8,126 housing units in West Mifflin, reflecting a -2.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in West Mifflin and what is the average household size?

West Mifflin has a total of 7,463 households, with an average of 2 people in each.

What is the median household income in West Mifflin?

West Mifflin has a median household income of $72,485, representing a +5.1% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for West Mifflin?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 74.1% (6,174 residents)
  • Blue-collar workers: 25.9% (2,163 residents)

Places of employment:
  • Self-employed: 5.6% (464 residents)
  • Private companies: 66.2% (5,521 residents)
  • Governmental workers: 8.8% (736 residents)
  • Not-for-profit companies: 19.4% (1,617 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025