West Mifflin borough, Pennsylvania Demographics & Population 2026
As of 2026, West Mifflin borough, Pennsylvania has a total population of 19,338, the 33rd largest city in Pennsylvania, with a median household income of $70,335, which is 8% lower than the state average. The poverty rate is 11.8%.
Key Takeaways
- Housing is very affordable with a home-value-to-income ratio of just 1.9x.
- Unemployment rate of 8.3% is notably above the national average.
West Mifflin borough Quick Facts
How West Mifflin borough Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 43 | National average: 60
Education
Educational Attainment (Adults 25+)
West Mifflin borough Rankings in Pennsylvania
Explore Pennsylvania Rankings
Other Cities in Allegheny County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Pittsburgh city | 303,620 | $64,137 | 19.5% | $193,200 |
| Bethel Park municipality | 33,070 | $104,129 | 4.3% | $258,700 |
| Monroeville municipality | 28,383 | $78,191 | 9.8% | $197,400 |
| Plum borough | 26,873 | $98,475 | 3.0% | $218,600 |
| Baldwin borough | 21,159 | $77,882 | 10.4% | $191,700 |
| McKeesport city | 17,520 | $31,854 | 32.9% | $69,800 |
| Franklin Park borough | 15,273 | $172,200 | 0.9% | $467,700 |
| Whitehall borough | 14,863 | $85,000 | 8.2% | $229,200 |
| Wilkinsburg borough | 14,165 | $48,565 | 20.3% | $140,300 |
| Jefferson Hills borough | 12,313 | $117,518 | 2.0% | $309,600 |
Cities Similar to West Mifflin borough
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Colonial Park CDP | 18,125 | $69,804 | $223,800 | 27.3% | 10.1% |
| West Chester borough | 19,235 | $81,492 | $481,300 | 60.1% | 18.3% |
| Lansdale borough | 18,865 | $86,460 | $319,000 | 37.4% | 9.5% |
| Baldwin borough | 21,159 | $77,882 | $191,700 | 32.8% | 10.4% |
| Phoenixville borough | 19,062 | $94,411 | $348,200 | 53.3% | 8.4% |
Population Overview
West Mifflin borough is a small city located in Pennsylvania, within Allegheny County. The total population is 19,338. It ranks as the 33rd most populous out of 1,993 cities and towns in Pennsylvania.
Age Demographics
The median age in West Mifflin borough is 44.7 years. This is 9% higher than the state median of 40.9 years.
Economy, Income & Housing
The median household income in West Mifflin borough is $70,335. This is 8% lower than the state median of $76,081. Compared to the national median of $78,538, household income here is 10% lower. The poverty rate stands at 11.8%. This is about average than the state poverty rate of 11.8%. The unemployment rate is 8.3%. This is 59% higher than the state rate of 5.3%. The median home value is $131,400. Housing costs are 45% lower than the state median of $240,500. With a home-value-to-income ratio of just 1.9x, West Mifflin borough is one of the most affordable housing markets in the area. 78.2% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 69.3%.
Race & Ethnicity
The largest racial or ethnic group in West Mifflin borough is White (non-Hispanic), making up 81.5% of the population. Black or African American residents account for 8.6%. The Hispanic or Latino population (2.3%) is well below the state average of 8.4%. The Asian population (1.0%) is well below the state average of 3.7%.
Education
24.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% lower than the state rate of 34.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.8%.
Data Sources & Methodology
All demographic data for West Mifflin borough, Pennsylvania is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Pennsylvania state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,993 Census-designated places in Pennsylvania. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of West Mifflin borough, Pennsylvania?
West Mifflin borough, Pennsylvania has a population of 19,338 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in West Mifflin borough, PA?
The median household income in West Mifflin borough is $70,335, which is 10% lower the national median of $78,538.
What is the poverty rate in West Mifflin borough, PA?
The poverty rate in West Mifflin borough is 11.8%. This means approximately 2,283 residents live below the federal poverty line.
What is the racial makeup of West Mifflin borough, Pennsylvania?
West Mifflin borough's population is 81.5% White, 8.6% Black, 2.3% Hispanic/Latino, and 1.0% Asian.
What is the median home value in West Mifflin borough, PA?
The median home value in West Mifflin borough is $131,400. The home-value-to-income ratio is 1.9x.
How educated is West Mifflin borough, Pennsylvania?
24.2% of adults (25+) in West Mifflin borough hold a bachelor's degree or higher, and 9.2% hold a graduate or professional degree.