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
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)
White97,73788.97%
Black or African American6,1235.57%
Two or more races4,3733.98%
Other race7880.72%
Asian6890.63%
Native American1220.11%
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

45.2

Total

43

Male

47.3

Female

Mercer County, Pennsylvania Adults

There are 88,911 adults, (24,927 of whom are seniors) in Mercer County, Pennsylvania.

Mercer County, Pennsylvania Age Dependency

71.7

Age Dependency Ratio

39

Old Age Dependency Ratio

32.7

Child Dependency Ratio

Mercer County, Pennsylvania Sex Ratio

Female55,38750.42%
Male54,46549.58%

Mercer County, Pennsylvania Population by Age

Mercer County, Pennsylvania Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All46,1232.2472.527.5
Married21,8832.9188.511.5
Non Family17,0351.126040
Female5,1512.8649.550.5
Male2,0542.7563.836.2

2.82

Average Family Size

2.24

Average Household Size

72.5%

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 Grade4,6445.9%
Associates Degree7,6859.76%
Bachelors Degree12,77116.22%
Graduate Degree6,9678.85%
High School Graduate31,85440.47%
Less Than 9th Grade2,2002.79%
Some College12,59216%

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
White71,57065,69718,144
Black3,8483,380716
2+ Races2,0481,754538
Hispanic900709114
Other Race496453129
Asian411363199
Native American81473
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 48.42%.

Mercer County, Pennsylvania Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$57,895$68,335$48,624
Graduate Degree$73,379$81,375$67,362
High School Graduate$34,934$46,125$24,623
Less Than 9th Grade$25,826$36,543$15,625
Overall$44,354$53,824$36,277
Some College$42,475$55,547$35,299

$44,354

Average Earnings

$53,824

Average Male

$36,277

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

96.16% of Mercer County, Pennsylvania residents speak only English, while 3.84% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.66% of the population.

Mercer County, Pennsylvania Language

Mercer County, Pennsylvania Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White91,70010,03810.95%
Black5,4752,07337.86%
Multiple4,10669716.98%
Hispanic1,46940727.71%
Other66913820.63%
Asian6027011.63%
Native10354.85%

12.75%

Overall Poverty Rate

11.1%

Male Poverty Rate

14.33%

Female Poverty Rate

Poverty in Mercer County, Pennsylvania

The race most likely to be in poverty in Mercer County, Pennsylvania is Black, with 37.86% below the poverty level.

The race least likely to be in poverty in Mercer County, Pennsylvania is Native, with 4.85% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.24%. Among those working part-time, it was 13.18%, and for those that did not work, the poverty rate was 18.39%.

Mercer County, Pennsylvania Poverty

rate

Rate
Poverty
Less Than 9th Grade24.4%
High School13.13%
Some College8.74%
Bachelors or Greater3.84%

Mercer County, Pennsylvania Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed31.23%
Male Unemployed22.5%
Female Employed5.85%
Male Employed3.93%

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$78,611$94,619
Households$60,614$78,316
Married Families$93,341$108,124
Non Families$34,503$47,213

mean

median

Income by Household Type

Mercer County, Pennsylvania Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.0%

Overall Marriage Rate

50.1%

Male Marriage Rate

47.9%

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 Over 65, 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

7,707

Number of Veterans

7,016

Male Veterans

691

Female Veterans

War
Veterans
Vietnam2,660
First Gulf War1,607
Second Gulf War1,527
Korea636
World War II127

Mercer County, Pennsylvania Veterans by War

count

Age Group
Veterans
75+2,251
65 to 741,929
35 to 541,613
55 to 641,378
18 to 34536

Mercer County, Pennsylvania Veterans by Age

count

Name
Veterans
% of Total
White7,1848.93%
Black2114.75%
2+ Races1807.15%
Other Race12221.44%
Hispanic1029.14%
Native American1012.35%

Mercer County, Pennsylvania Veterans by Race

Mercer County, Pennsylvania Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.61%

Veteran Poverty Rate

35.07%

Veteran Disability Rate

Mercer County, Pennsylvania Veterans by Education

LaborForceParticipation

55.3%

Labor Force Participation

52.2%

Employment Rate

5.3%

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

79.98%

Born in Mercer County, Pennsylvania

98.33%

Native Born

1.67%

Foreign Born

0.39%

Non Citizen

1.28%

Naturalized

Place of Birth

98.33% of Mercer County, Pennsylvania residents were born in the United States, with 79.98% having been born in Pennsylvania. 0.39% 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