Monongahela, Pennsylvania Population 2021

4,056
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Monongahela is a city located in Washington County Pennsylvania. With a 2020 population of 4,056, it is the 242nd largest city in Pennsylvania and the 5365th largest city in the United States . Monongahela is currently declining at a rate of -0.56% annually and its population has decreased by -5.67% since the most recent census, which recorded a population of 4,300 in 2010. Monongahela reached it's highest population of in . Spanning over 2 miles, Monongahela has a population density of 2,120 people per square mile.

The average household income in Monongahela is $62,791 with a poverty rate of 9.35%. The median rental costs in recent years comes to $676 per month, and the median house value is $81,800. The median age in Monongahela is 40.7 years, 38.3 years for males, and 41.8 years for females.

Monongahela Demographics

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

  • White: 93.38%
  • Black or African American: 3.00%
  • Asian: 2.25%
  • Two or more races: 1.35%
  • Other race: 0.02%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Monongahela, Pennsylvania is 4,056 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 4,102.The last official US Census in 2010 recorded the population at 4,300.

Monongahela, Pennsylvania Population 2021

Population by Race

Race Population Percentage
White3,86493.38%
Black or African American1243.00%
Asian932.25%
Two or More Races561.35%
Some Other Race10.02%
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Monongahela Population by Race

Monongahela Population Pyramid $2021

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Monongahela Median Age

40.7


Total

38.3


Male

41.8


Female

Monongahela Adults

There are 3,235 adults, (702 of whom are seniors) in Monongahela.

Monongahela Age Dependency

63.4

Age Dependency Ratio

27.7

Old Age Dependency Ratio

35.6

Child Dependency Ratio

Monongahela Sex Ratio

Female

2,092

50.56%

Male

2,046

49.44%

Monongahela Population by Age

Monongahela Renter vs Owner Occupied by Household Type

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Monongahela Household Types

Type Owner Renter
Female33.6%66.4%
Non Family51.2%48.8%
All62.7%37.3%
Male76.5%23.5%
Married76.8%23.2%

62.7%

Rate of Home Ownership

Monongahela Households and Families

Type Count Average Size Owned
All1,7732.3362.7
Married7343.1576.8
Non Family7241.1951.2
Male1663.2576.5
Female1492.7933.6

3.02

Average Family Size

2.33

Average Household Size

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Monongahela Households by Type

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Education Attained Count Percentage
Less Than 9th Grade682.42%
9th to 12th Grade1886.69%
High School Graduate1,12540.04%
Some College44915.98%
Associates Degree44215.73%
Bachelors Degree35812.74%
Graduate Degree1806.41%
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Monongahela Educational Attainment by Sex (over 25)

Monongahela Educational Attainment by Race

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Race Total High School Bachelors
White2,5612,321512
Black978112
Asian676710
Hispanic5959
2+ Races26264
Other Race11

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 white people with a rate of 19.99%.

Monongahela Educational Attainment by Race

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Name Average Male Female
Overall$35,009$37,772$27,750
Less Than 9th Grade$$$
High School Graduate$32,373$36,946$26,488
Some College$30,811$36,033$23,958
Bachelors Degree$51,310$68,750$43,750
Graduate Degree$59,107$$60,000

$35,009

Average Earnings

$37,772

Average Male

$27,750

Average Female

Monongahela Earnings by Educational Attainment

Monongahela Language by Age

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Monongahela Language

96.72% of Monongahela residents speak only English, while 3.28% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 1.65% of the population.

Monongahela Language

Monongahela Poverty by Race

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Name Total In Poverty Poverty Rate
White3,7602987.93%
Multiple565292.86%
Black1242016.13%
Asian931617.20%

9.35%

Overall Poverty Rate

8.26%

Male Poverty Rate

10.41%

Female Poverty Rate

Poverty in Monongahela

The race most likely to be in poverty in Monongahela is Multiple, with 92.86% below the poverty level.

The race least likely to be in poverty in Monongahela is White, with 7.93% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.85%. Among those working part-time, it was 9.42%, and for those that did not work, the poverty rate was 24.24%.

Monongahela Poverty

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Name Poverty
Less Than 9th Grade31.25%
Some College14.27%
High School5.43%
Bachelors or Greater4.46%

Monongahela Poverty Rate by Education

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Rate Poverty
Male Unemployed15.38%
Male Employed5.29%
Female Employed0.50%
Female Unemployed0.00%

Monongahela Poverty Rate by Employment Status and Sex

Monongahela Income by Household Type

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Name Median Mean
Households$48,986$62,791
Families$63,984$78,066
Married Families$72,308-
Non Families$30,417$39,401
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Income by Household Type

Monongahela Marital Status

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Marriage Rates

47.3%

Overall Marriage Rate

49.8%

Male Marriage Rate

44.9%

Female Marriage Rate

Monongahela Married by Age and Sex

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Monongahela 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 35-44.

Monongahela Marital Status by Race

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Monongahela Marital Status

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271

Number of Veterans

241

Male Veterans

30

Female Veterans

War Veterans
Vietnam68
Second Gulf War46
Korea43
First Gulf War33
World War II19

Monongahela Veterans by War

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Age Group Veterans
75+112
65 to 7457
35 to 5451
55 to 6428
18 to 3423

Monongahela Veterans by Age

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Name Veterans % of Total
White2588.59%
2+ Races1346.43%

Monongahela Veterans by Race

Monongahela Veterans by Education

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7.75%

Veteran Poverty Rate

50.18%

Veteran Disability Rate

Monongahela Veterans by Education

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66.8%

Labor Force Participation

64.4%

Employment Rate

3.6%

Unemployment Rate

Monongahela Employment by Age

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Monongahela Employment by Race

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Monongahela 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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87.68%

Born in Monongahela

96.64%

Native Born

3.36%

Foreign Born

1.50%

Non Citizen

1.86%

Naturalized

Place of Birth

96.64% of Monongahela residents were born in the United States, with 87.68% having been born in Pennsylvania. 1.50% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Monongahela Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
20214,056-23-0.56%
20204,079-23-0.56%
20194,102-23-0.56%
20184,125-18-0.43%
20174,143-18-0.43%
20164,161-37-0.88%
20154,198-16-0.38%
20144,214-23-0.54%
20134,237-30-0.70%
20124,267-8-0.19%
20114,275-19-0.44%
20104,294-467-1.03%
20004,761-167-0.34%
19904,928-1,022-1.87%
19805,950-1,163-1.77%
19707,113-1,275-1.64%
19608,388-534-0.62%
19508,922970.11%
19408,8251500.17%
19308,675-13-0.01%
19208,6881,0901.35%
19107,5982,4253.92%
19005,1731,0772.36%
18904,0961,1923.50%
18802,9040.00%

Monongahela Population by Year