Mercer County, Pennsylvania Population 2024

107,760

Mercer County, Pennsylvania's estimated 2024 population is 107,760 with a growth rate of -0.67% in the past year according to the most recent United States census data. Mercer County, Pennsylvania is the 30th largest county in Pennsylvania. The 2010 population was 116,607 and has seen a growth of -7.59% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029104,110-730-0.7%
2028104,840-730-0.69%
2027105,570-730-0.69%
2026106,300-730-0.68%
2025107,030-730-0.68%
2024107,760-730-0.67%
2023108,490-730-0.67%
2022109,220-730-0.66%
2021109,950-584-0.53%
2020110,5341,2381.13%
2019109,296-1,279-1.16%
2018110,575-951-0.85%
2017111,526-1,125-1%
2016112,651-1,033-0.91%
2015113,684-1,040-0.91%
2014114,724-438-0.38%
2013115,162-498-0.43%
2012115,660-509-0.44%
2011116,169-438-0.38%
2010116,607
1990121,003-7,296-5.69%
1980128,2991,1240.88%
1970127,175-344-0.27%
1960127,51915,56513.9%
1950111,95410,91510.8%
1940101,0391,7931.81%
193099,2465,4585.82%
192093,78816,08920.71%
191077,69920,31235.39%
190057,3871,6432.95%
189055,744-417-0.74%
188056,1616,18412.37%
187049,97713,12135.6%
186036,8563,68411.11%
185033,1722990.91%
184032,87313,14466.62%
183019,7298,04868.9%
182011,6813,40441.13%
18108,2775,049156.41%
18003,228-100,882-96.9%
showing: 40 rows
2024 Growth Rate
-0.67% (-730)
County Website
Mercer County
County Seat
2010 Population
116,607
Area
673 mi²
Density
160 people/mi²
Growth Since 2010
-7.59% (-8,847)
Founded
November 7, 1803

Mercer County, Pennsylvania Population 2024

Population by Race

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Race
Population
Percentage (of total)
White98,88689.41%
Black or African American6,1715.58%
Two or more races3,8703.5%
Other race7860.71%
Asian7730.7%
Native American940.08%
Native Hawaiian or Pacific Islander200.02%
showing: 7 rows

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Mercer County, Pennsylvania Population by Race

Mercer County, Pennsylvania Population Pyramid 2024

Mercer County, Pennsylvania Median Age

45

Total

43

Male

47.2

Female

Mercer County, Pennsylvania Adults

There are 89,627 adults, (24,777 of whom are seniors) in Mercer County, Pennsylvania.

Mercer County, Pennsylvania Age Dependency

70.5

Age Dependency Ratio

38.2

Old Age Dependency Ratio

32.3

Child Dependency Ratio

Mercer County, Pennsylvania Sex Ratio

Female55,68350.35%
Male54,91749.65%

Mercer County, Pennsylvania Population by Age

Mercer County, Pennsylvania Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All45,8902.2672.427.6
Married21,7592.9388.911.1
Non Family16,8551.1359.440.6
Female5,2502.9648.551.5
Male2,0262.7764.535.5
showing: 5 rows

2.85

Average Family Size

2.26

Average Household Size

72.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Mercer County, Pennsylvania 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

Mercer County, Pennsylvania Educational Attainment by Sex (over 25)

Mercer County, Pennsylvania Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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

The highest rate of bachelors degrees is among asian people with a rate of 27.72%.

Mercer County, Pennsylvania Educational Attainment by Race

All

Male

Female

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$41,351

Average Earnings

$50,805

Average Male

$33,478

Average Female

Mercer County, Pennsylvania Earnings by Educational Attainment

Mercer County, Pennsylvania Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Mercer County, Pennsylvania Language

96.23% of Mercer County, Pennsylvania residents speak only English, while 3.77% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.49% of the population.

Mercer County, Pennsylvania Language

Mercer County, Pennsylvania Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White92,83810,58511.4%
Black5,3602,27942.52%
Multiple3,65369419%
Hispanic1,39842830.62%
Asian69216223.41%
Other64813420.68%
showing: 6 rows

13.51%

Overall Poverty Rate

11.76%

Male Poverty Rate

15.18%

Female Poverty Rate

Poverty in Mercer County, Pennsylvania

The race most likely to be in poverty in Mercer County, Pennsylvania is Black, with 42.52% below the poverty level.

The race least likely to be in poverty in Mercer County, Pennsylvania is White, with 11.4% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.75%. Among those working part-time, it was 14.82%, and for those that did not work, the poverty rate was 18.54%.

Mercer County, Pennsylvania Poverty

rate

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Rate
Poverty
Less Than 9th Grade26.22%
High School13.53%
Some College9.09%
Bachelors or Greater3.7%
showing: 4 rows

Mercer County, Pennsylvania Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed29.47%
Male Unemployed25.43%
Female Employed7.65%
Male Employed4.51%
showing: 4 rows

Mercer County, Pennsylvania Poverty Rate by Employment Status and Sex

Mercer County, Pennsylvania Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Mercer County, Pennsylvania Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

48.4%

Overall Marriage Rate

49.7%

Male Marriage Rate

47.1%

Female Marriage Rate

Mercer County, Pennsylvania Married by Age and Sex

male

female

Mercer County, Pennsylvania Marriage

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

Mercer County, Pennsylvania Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Mercer County, Pennsylvania Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

7,780

Number of Veterans

7,145

Male Veterans

635

Female Veterans

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Mercer County, Pennsylvania Veterans by War

count

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Mercer County, Pennsylvania Veterans by Age

count

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Mercer County, Pennsylvania Veterans by Race

Mercer County, Pennsylvania Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.26%

Veteran Poverty Rate

37.52%

Veteran Disability Rate

Mercer County, Pennsylvania Veterans by Education

LaborForceParticipation

55%

Labor Force Participation

51.7%

Employment Rate

5.5%

Unemployment Rate

Mercer County, Pennsylvania Employment by Age

LaborForceParticipation

Mercer County, Pennsylvania Employment by Race

LaborForceParticipation

Mercer County, Pennsylvania 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

79.63%

Born in Mercer County, Pennsylvania

98.36%

Native Born

1.64%

Foreign Born

0.32%

Non Citizen

1.32%

Naturalized

Place of Birth

98.36% of Mercer County, Pennsylvania residents were born in the United States, with 79.63% having been born in Pennsylvania. 0.32% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Mercer County, Pennsylvania Place of Birth

Sources