West Mifflin, Pennsylvania Population 2024

18,715

West Mifflin is a city located in Allegheny County Pennsylvania. West Mifflin has a 2024 population of 18,715. West Mifflin is currently declining at a rate of -1.12% annually and its population has decreased by -4.34% since the most recent census, which recorded a population of 19,565 in 2020.

The average household income in West Mifflin is $77,753 with a poverty rate of 13.29%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in West Mifflin is 45.2 years, 42 years for males, and 49.2 years for females.

West Mifflin Demographics

According to the most recent ACS, the racial composition of West Mifflin was:

  • White: 84.33%
  • Black or African American: 10.59%
  • Two or more races: 3.51%
  • Asian: 1.44%
  • Other race: 0.13%
  • Native American: 0.01%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
14.2 sq mi
Density (mi²)
1,317.40/sq mi
Growth Since 2020
-4.34% (-850)
The current population of West Mifflin, Pennsylvania is 18,715 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 19,565.

West Mifflin, Pennsylvania Population 2024

Population by Race

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Race
Population
Percentage (of total)
White16,44984.33%
Black or African American2,06610.59%
Two or more races6843.51%
Asian2811.44%
Other race250.13%
Native American10.01%
Native Hawaiian or Pacific Islander00%

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

West Mifflin Population by Race

West Mifflin Population Pyramid 2024

West Mifflin Median Age

45.2

Total

42

Male

49.2

Female

West Mifflin Adults

There are 15,475 adults, (3,698 of whom are seniors) in West Mifflin.

West Mifflin Age Dependency

65.6

Age Dependency Ratio

31.4

Old Age Dependency Ratio

34.2

Child Dependency Ratio

West Mifflin Sex Ratio

Female9,78350.15%
Male9,72349.85%

West Mifflin Population by Age

West Mifflin Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All8,3002.3479.820.2
Non Family3,6271.2270.829.2
Married3,4803.1291.98.1
Female7503.5268.831.2
Male4433.4177.722.3

3.11

Average Family Size

2.34

Average Household Size

79.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

West Mifflin Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

West Mifflin Educational Attainment by Sex (over 25)

West Mifflin Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among native american people with a rate of 100%.

West Mifflin Educational Attainment by Race

All

Male

Female

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$46,950

Average Earnings

$50,907

Average Male

$43,250

Average Female

West Mifflin Earnings by Educational Attainment

West Mifflin Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

West Mifflin Language

94.63% of West Mifflin residents speak only English, while 5.37% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.08% of the population.

West Mifflin Language

West Mifflin Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White16,2361,3808.5%
Black2,0571,03050.07%
Hispanic34023769.71%
Multiple68413619.88%
Other252184%
Asian28141.42%

13.29%

Overall Poverty Rate

12.62%

Male Poverty Rate

13.94%

Female Poverty Rate

Poverty in West Mifflin

The race most likely to be in poverty in West Mifflin is Other, with 84% below the poverty level.

The race least likely to be in poverty in West Mifflin is Asian, with 1.42% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.46%. Among those working part-time, it was 13.29%, and for those that did not work, the poverty rate was 17.99%.

West Mifflin Poverty

rate

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Rate
Poverty
Less Than 9th Grade23.17%
High School11.62%
Some College7.22%
Bachelors or Greater3.68%

West Mifflin Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed58.25%
Female Employed5.31%
Male Unemployed4.33%
Male Employed3.49%

West Mifflin Poverty Rate by Employment Status and Sex

West Mifflin Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

West Mifflin Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

44.6%

Overall Marriage Rate

45.8%

Male Marriage Rate

43.4%

Female Marriage Rate

West Mifflin Married by Age and Sex

male

female

West Mifflin Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 55-64.

West Mifflin Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

West Mifflin Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,124

Number of Veterans

1,003

Male Veterans

121

Female Veterans

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West Mifflin Veterans by War

count

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West Mifflin Veterans by Age

count

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West Mifflin Veterans by Race

West Mifflin Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

9.88%

Veteran Poverty Rate

24.02%

Veteran Disability Rate

West Mifflin Veterans by Education

LaborForceParticipation

64.7%

Labor Force Participation

58.9%

Employment Rate

8.9%

Unemployment Rate

West Mifflin Employment by Age

LaborForceParticipation

West Mifflin Employment by Race

LaborForceParticipation

West Mifflin Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

88.5%

Born in West Mifflin

98.67%

Native Born

1.33%

Foreign Born

0.42%

Non Citizen

0.92%

Naturalized

Place of Birth

98.67% of West Mifflin residents were born in the United States, with 88.5% having been born in Pennsylvania. 0.42% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

West Mifflin Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202917,652-213-1.19%
202817,865-212-1.17%
202718,077-213-1.16%
202618,290-212-1.15%
202518,502-213-1.14%
202418,715-212-1.12%
202318,927-213-1.11%
202219,140-243-1.25%
202119,383-182-0.93%
202019,565-137-0.7%
201919,702140.07%
201819,688-113-0.57%
201719,801-149-0.75%
201619,950-118-0.59%
201520,068-149-0.74%
201420,217-77-0.38%
201320,294-22-0.11%
201220,316-7-0.03%
201120,323140.07%
201020,30900%
200022,464-1,180-4.99%
199023,644-2,678-10.17%
198026,322-1,748-6.23%
197028,0707812.86%
196027,2899,30451.73%
195017,9853331.89%
showing: 26 rows

West Mifflin Population by Year