West Mifflin, Pennsylvania Population 2021

19,735
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West Mifflin is a city located in Allegheny County Pennsylvania. With a 2020 population of 19,735, it is the 27th largest city in Pennsylvania and the 1883rd largest city in the United States . West Mifflin is currently growing at a rate of 0.09% annually but its population has decreased by -2.85% since the most recent census, which recorded a population of 20,313 in 2010. West Mifflin reached it's highest population of in . Spanning over 15 miles, West Mifflin has a population density of 1,389 people per square mile.

The average household income in West Mifflin is $67,049 with a poverty rate of 13.85%. The median rental costs in recent years comes to $640 per month, and the median house value is $99,000. The median age in West Mifflin is 46.1 years, 43.1 years for males, and 48.4 years for females.

West Mifflin Demographics

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

  • White: 87.20%
  • Black or African American: 7.37%
  • Two or more races: 5.04%
  • Other race: 0.21%
  • Native American: 0.10%
  • Asian: 0.08%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of West Mifflin, Pennsylvania is 19,735 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 19,699.The last official US Census in 2010 recorded the population at 20,313.

West Mifflin, Pennsylvania Population 2021

Population by Race

Race Population Percentage
White17,29687.20%
Black or African American1,4617.37%
Two or More Races1,0005.04%
Some Other Race420.21%
American Indian and Alaska Native190.10%
Asian160.08%
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West Mifflin Population by Race

West Mifflin Population Pyramid $2021

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West Mifflin Median Age

46.1


Total

43.1


Male

48.4


Female

West Mifflin Adults

There are 16,003 adults, (4,308 of whom are seniors) in West Mifflin.

West Mifflin Age Dependency

69.6

Age Dependency Ratio

36.8

Old Age Dependency Ratio

32.8

Child Dependency Ratio

West Mifflin Sex Ratio

Female

10,283

51.85%

Male

9,551

48.15%

West Mifflin Population by Age

West Mifflin Renter vs Owner Occupied by Household Type

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West Mifflin Household Types

Type Owner Renter
Female59%41%
Non Family72.4%27.6%
Male77.2%22.8%
All79.5%20.5%
Married91.3%8.7%

79.5%

Rate of Home Ownership

West Mifflin Households and Families

Type Count Average Size Owned
All8,7992.2479.5
Married3,9132.8991.3
Non Family3,2611.1572.4
Female1,0722.9359
Male5532.7477.2

2.81

Average Family Size

2.24

Average Household Size

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West Mifflin Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1541.04%
9th to 12th Grade6244.23%
High School Graduate5,68138.47%
Some College3,16921.46%
Associates Degree1,96613.31%
Bachelors Degree2,01513.64%
Graduate Degree1,1597.85%
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West Mifflin Educational Attainment by Sex (over 25)

West Mifflin Educational Attainment by Race

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Race Total High School Bachelors
White13,56312,8532,968
Black908840109
Hispanic14614117
2+ Races14314367
Other Race1818
Asian161616

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

West Mifflin Educational Attainment by Race

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Name Average Male Female
Overall$40,951$44,758$35,912
Less Than 9th Grade$30,583$33,138$2,500
High School Graduate$32,933$42,272$24,788
Some College$42,298$44,619$37,656
Bachelors Degree$51,365$53,981$46,635
Graduate Degree$47,138$77,396$45,149

$40,951

Average Earnings

$44,758

Average Male

$35,912

Average Female

West Mifflin Earnings by Educational Attainment

West Mifflin Language by Age

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West Mifflin Language

96.77% of West Mifflin residents speak only English, while 3.23% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.63% of the population.

West Mifflin Language

West Mifflin Poverty by Race

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Name Total In Poverty Poverty Rate
White17,0431,6809.86%
Black1,44352836.59%
Multiple98946547.02%
Hispanic2297633.19%
Other423685.71%
Native1919100.00%

13.85%

Overall Poverty Rate

13.21%

Male Poverty Rate

14.45%

Female Poverty Rate

Poverty in West Mifflin

The race most likely to be in poverty in West Mifflin is Native, with 100.00% below the poverty level.

The race least likely to be in poverty in West Mifflin is White, with 9.86% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.81%. Among those working part-time, it was 17.24%, and for those that did not work, the poverty rate was 17.80%.

West Mifflin Poverty

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Name Poverty
Less Than 9th Grade14.60%
High School11.75%
Some College9.89%
Bachelors or Greater4.80%

West Mifflin Poverty Rate by Education

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Rate Poverty
Female Unemployed67.42%
Male Unemployed22.74%
Female Employed5.75%
Male Employed4.07%

West Mifflin Poverty Rate by Employment Status and Sex

West Mifflin Income by Household Type

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Name Median Mean
Households$52,679$67,049
Families$68,056$81,395
Married Families$83,738-
Non Families$30,195$38,294
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Income by Household Type

West Mifflin Marital Status

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Marriage Rates

48.9%

Overall Marriage Rate

52.3%

Male Marriage Rate

45.8%

Female Marriage Rate

West Mifflin Married by Age and Sex

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West Mifflin Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

West Mifflin Marital Status by Race

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West Mifflin Marital Status

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1,516

Number of Veterans

1,433

Male Veterans

83

Female Veterans

War Veterans
Vietnam539
Second Gulf War223
First Gulf War197
Korea174
World War II59

West Mifflin Veterans by War

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Age Group Veterans
65 to 74476
75+419
35 to 54287
55 to 64228
18 to 34106

West Mifflin Veterans by Age

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Name Veterans % of Total
White1,3829.47%
Black13412.57%
Hispanic1912.67%

West Mifflin Veterans by Race

West Mifflin Veterans by Education

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5.22%

Veteran Poverty Rate

23.61%

Veteran Disability Rate

West Mifflin Veterans by Education

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61.2%

Labor Force Participation

57%

Employment Rate

6.7%

Unemployment Rate

West Mifflin Employment by Age

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West Mifflin Employment by Race

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West Mifflin Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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89.96%

Born in West Mifflin

98.81%

Native Born

1.19%

Foreign Born

0.49%

Non Citizen

0.71%

Naturalized

Place of Birth

98.81% of West Mifflin residents were born in the United States, with 89.96% having been born in Pennsylvania. 0.49% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

West Mifflin Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202119,735180.09%
202019,717180.09%
201919,699180.09%
201819,681-114-0.58%
201719,795-144-0.72%
201619,939-117-0.58%
201520,056-153-0.76%
201420,209-77-0.38%
201320,286-26-0.13%
201220,312-8-0.04%
201120,320110.05%
201020,309-2,155-1.00%
200022,464-1,180-0.51%
199023,644-2,678-1.07%
198026,322-1,748-0.64%
197028,0707810.28%
196027,2899,3044.26%
195017,9850.00%

West Mifflin Population by Year