Mercer County, Pennsylvania Population 2024

107,869

Mercer County, Pennsylvania's estimated 2024 population is 107,869 with a growth rate of -0.58% 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 -7.49% since that time.

Note: data after 2022 is projected based on recent change

40 Rows

Year
Population
Growth
Change
2029104,699-634-0.6%
2028105,333-634-0.6%
2027105,967-634-0.59%
2026106,601-634-0.59%
2025107,235-634-0.59%
2024107,869-634-0.58%
2023108,503-634-0.58%
2022109,137-821-0.75%
2021109,958-592-0.54%
2020110,5501,2541.15%
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%
2010116,60700%
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%
18003,228-101,471-96.92%
2024 Growth Rate
-0.58% (-634)
County Website
Mercer County
County Seat
Mercer
2020 Population
110,550
Area
673 mi²
Density
160 people/mi²
Growth Since 2020
-2.43% (-2,681)
Founded
November 7, 1803

Population by Race

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%

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

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

Education Attained
Count
Percentage
9th to 12th Grade4,9776.31%
Associates Degree7,7249.79%
Bachelors Degree12,18215.43%
Graduate Degree6,8398.66%
High School Graduate32,26140.87%
Less Than 9th Grade2,5163.19%
Some College12,43015.75%

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

Race
Total
High School
Bachelors
White72,03165,59017,649
Black3,8063,201600
2+ Races1,7691,554474
Hispanic857630115
Other Race472423116
Asian451416125
Native American59314
Islander880

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

Name
Average
Male
Female
Bachelors Degree$54,898$64,648$44,360
Graduate Degree$72,198$82,045$67,432
High School Graduate$33,555$44,431$24,010
Less Than 9th Grade$22,438$33,430$13,510
Overall$41,351$50,805$33,478
Some College$38,676$49,603$33,321

$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

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

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

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

Mercer County, Pennsylvania Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed29.47%
Male Unemployed25.43%
Female Employed7.65%
Male Employed4.51%

Mercer County, Pennsylvania Poverty Rate by Employment Status and Sex

Mercer County, Pennsylvania Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$76,303$92,021
Households$57,353$75,590
Married Families$90,279$105,901
Non Families$31,248$44,616

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

War
Veterans
Vietnam2,794
First Gulf War1,569
Second Gulf War1,210
Korea748
World War II186

Mercer County, Pennsylvania Veterans by War

count

Age Group
Veterans
75+2,373
65 to 742,184
35 to 541,567
55 to 641,239
18 to 34417

Mercer County, Pennsylvania Veterans by Age

count

Name
Veterans
% of Total
White7,3220.08983828617702633
Black2080.04634581105169341
2+ Races1230.056997219647822055
Other Race1220.22141560798548093
Hispanic660.05892857142857143
Native American50.0847457627118644

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