Census place 4283512

West Mifflin

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: West Mifflin borough

Relocation snapshot

What stands out in West Mifflin.

According to the 2025 estimate, West Mifflin has a population of 18,707 and 1,316 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 68 covered Pennsylvania places are: population density is 1,316/sq mi, below the comparison median of 4,301/sq mi; median gross rent is $780, below the comparison median of $1,079; and median household income is $76,563, above the comparison median of $60,042. These unweighted medians compare covered Census places and are not statewide estimates.

population density: 1,316/sq mi
median gross rent: $780
median household income: $76,563

National context

Follow the metrics.

Compare West Mifflin's values with other covered Census places. Rankings are descriptive, not recommendations.

At a glance

A city in numbers.

Population: 18,707
Annual change: -0.7%
Density: 1,316/sq mi
Median age: 43.4 years

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income: $76,563
Median home value: $151,600
Median gross rent: $780
Bachelor’s degree or higher: 24.5%
Typical commute: 26.1 min
Drive-alone commute: 69.4%
Public transit commute: 3.7%
Walked to work: 0.6%

Housing

Who rents, and what it takes.

Renter share and rent burden help describe the housing choices visible in this place.

Renter-occupied homes: 20.1%
Renters paying 30%+ of income: 43.8%

Work

How the workday lands.

Employment status and working-from-home share add context to income and commuting patterns.

Employed residents 16+: 60.4%
Unemployed residents 16+: 5.4%
Working from home: 15.3%

Community

The everyday infrastructure.

Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.

Households with broadband: 89.9%
Homes built 2020+: 0.3%
Households without a vehicle: 10.3%
Households with children: 23.7%
Residents with a disability: 14.9%
Residents without insurance: 3.6%

Environmental context

A record of declared events.

FEMA declarations for Allegheny County provide historical context, not a forecast or a property-level risk assessment.

Environmental declarations since 2000: 6
Hurricane declarations: 3
Severe Storm declarations: 2
Snowstorm declarations: 1

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: PITTSBURGH ALLEGHENY CO AP (1 mi from place center)

Average high: 61.2°F
Average low: 43.5°F
Annual rainfall: 41.3"
Annual snowfall: 0"

Month by month

A year in West Mifflin.

Typical high and low °F

JFMAMJJASOND

Typical precipitation inches

JFMAMJJASOND

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.

Population estimates ACS profile TIGERweb boundary NOAA climate normals FEMA declarations

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

Ottawa, IL

Population, housing, work, and travel data for this Census place.

Population: 18,684
Median home: $154,000

Kirksville, MO

Population, housing, work, and travel data for this Census place.

Population: 17,863
Median home: $153,900

Defiance, OH

Population, housing, work, and travel data for this Census place.

Population: 17,009
Median home: $139,900

Keep exploring

Compare West Mifflin with Ottawa →