Irwin, Pennsylvania Population 2021

3,694
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Irwin is a city located in Westmoreland County Pennsylvania. With a 2020 population of 3,694, it is the 266th largest city in Pennsylvania and the 5625th largest city in the United States . Irwin is currently declining at a rate of -0.67% annually and its population has decreased by -7.02% since the most recent census, which recorded a population of 3,973 in 2010. Irwin reached it's highest population of in . Spanning over 1 miles, Irwin has a population density of 4,415 people per square mile.

The average household income in Irwin is $60,769 with a poverty rate of 13.19%. The median rental costs in recent years comes to $704 per month, and the median house value is $159,300. The median age in Irwin is 44.9 years, 43.5 years for males, and 47.5 years for females.

Irwin Demographics

According to the most recent ACS, the racial composition of Irwinwas:

  • White: 98.76%
  • Black or African American: 0.92%
  • Two or more races: 0.32%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Irwin, Pennsylvania is 3,694 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 3,744.The last official US Census in 2010 recorded the population at 3,973.

Irwin, Pennsylvania Population 2021

Population by Race

Race Population Percentage
White3,75098.76%
Black or African American350.92%
Two or More Races120.32%
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Irwin Population by Race

Irwin Population Pyramid $2021

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Irwin Median Age

44.9


Total

43.5


Male

47.5


Female

Irwin Adults

There are 3,082 adults, (759 of whom are seniors) in Irwin.

Irwin Age Dependency

63.5

Age Dependency Ratio

32.7

Old Age Dependency Ratio

30.8

Child Dependency Ratio

Irwin Sex Ratio

Female

2,048

53.94%

Male

1,749

46.06%

Irwin Population by Age

Irwin Renter vs Owner Occupied by Household Type

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Irwin Household Types

Type Owner Renter
Male0%100%
Non Family19.7%80.3%
Female43.4%56.6%
All46.9%53.1%
Married87.9%12.1%

46.9%

Rate of Home Ownership

Irwin Households and Families

Type Count Average Size Owned
All1,9731.9246.9
Non Family1,0441.1819.7
Married7332.7987.9
Female1752.6243.4
Male2130

2.7

Average Family Size

1.92

Average Household Size

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Irwin Households by Type

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Education Attained Count Percentage
Less Than 9th Grade521.78%
9th to 12th Grade812.77%
High School Graduate98833.82%
Some College47616.30%
Associates Degree52017.80%
Bachelors Degree61421.02%
Graduate Degree1906.50%
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Irwin Educational Attainment by Sex (over 25)

Irwin Educational Attainment by Race

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Race Total High School Bachelors
White2,8382,705773
Hispanic535319
Black3535
2+ Races121212

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

The highest rate of bachelors degrees is among 2+ races people with a rate of 100.00%.

Irwin Educational Attainment by Race

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Name Average Male Female
Overall$38,214$49,779$31,696
Less Than 9th Grade$$$
High School Graduate$28,191$35,521$28,059
Some College$37,697$39,606$31,745
Bachelors Degree$52,951$66,307$47,703
Graduate Degree$48,654$$35,804

$38,214

Average Earnings

$49,779

Average Male

$31,696

Average Female

Irwin Earnings by Educational Attainment

Irwin Language by Age

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Irwin Language

96.87% of Irwin residents speak only English, while 3.13% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.53% of the population.

Irwin Language

Irwin Poverty by Race

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Name Total In Poverty Poverty Rate
White3,66648013.09%
Hispanic881921.59%

13.19%

Overall Poverty Rate

8.12%

Male Poverty Rate

17.48%

Female Poverty Rate

Poverty in Irwin

The race most likely to be in poverty in Irwin is Hispanic, with 21.59% below the poverty level.

The race least likely to be in poverty in Irwin is White, with 13.09% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.15%. Among those working part-time, it was 29.45%, and for those that did not work, the poverty rate was 20.46%.

Irwin Poverty

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Name Poverty
Less Than 9th Grade20.30%
High School17.91%
Bachelors or Greater8.21%
Some College6.73%

Irwin Poverty Rate by Education

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Rate Poverty
Male Unemployed82.72%
Female Unemployed22.62%
Female Employed8.93%
Male Employed0.00%

Irwin Poverty Rate by Employment Status and Sex

Irwin Income by Household Type

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Name Median Mean
Households$49,570$60,769
Families$82,163$83,677
Married Families$93,162-
Non Families$32,770$39,549
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Income by Household Type

Irwin Marital Status

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Marriage Rates

45.7%

Overall Marriage Rate

51.6%

Male Marriage Rate

40.9%

Female Marriage Rate

Irwin Married by Age and Sex

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Irwin 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.

Irwin Marital Status by Race

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Irwin Marital Status

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223

Number of Veterans

223

Male Veterans

Female Veterans

War Veterans
Vietnam91
First Gulf War53
Second Gulf War28
World War II
Korea

Irwin Veterans by War

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Age Group Veterans
65 to 7476
55 to 6472
35 to 5461
75+14
18 to 34

Irwin Veterans by Age

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Irwin Veterans by Race

Irwin Veterans by Education

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0.00%

Veteran Poverty Rate

26.91%

Veteran Disability Rate

Irwin Veterans by Education

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69.7%

Labor Force Participation

64.6%

Employment Rate

7.4%

Unemployment Rate

Irwin Employment by Age

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Irwin Employment by Race

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Irwin 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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83.62%

Born in Irwin

98.97%

Native Born

1.03%

Foreign Born

0.00%

Non Citizen

1.03%

Naturalized

Place of Birth

98.97% of Irwin residents were born in the United States, with 83.62% having been born in Pennsylvania. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Irwin Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
20213,694-25-0.67%
20203,719-25-0.67%
20193,744-25-0.66%
20183,769-26-0.69%
20173,795-36-0.94%
20163,831-32-0.83%
20153,863-30-0.77%
20143,893-28-0.71%
20133,921-20-0.51%
20123,941-26-0.66%
20113,967-17-0.43%
20103,984-382-0.91%
20004,366-238-0.53%
19904,604-391-0.81%
19804,9959362.10%
19704,059-211-0.51%
19604,270420.10%
19504,2287872.08%
19403,441-2-0.01%
19303,4432080.63%
19203,2353491.15%
19102,8860.00%

Irwin Population by Year