Mercer County, Pennsylvania Population 2021

Mercer County, Pennsylvania's estimated population is 107,330 with a growth rate of -0.97% in the past year according to the most recent United States census data. Mercer County, Pennsylvania is the 31st largest county in Pennsylvania. The 2010 Population was 116,605 and has seen a growth of -7.95% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021107,330-1,047-0.97%
2020108,377-1,047-0.96%
2019109,424-1,047-0.95%
2018110,471-1,002-0.90%
2017111,473-1,125-1.00%
2016112,598-1,026-0.90%
2015113,624-1,051-0.92%
2014114,675-454-0.39%
2013115,129-508-0.44%
2012115,637-513-0.44%
2011116,150-455-0.39%
2010116,605-4,398-3.63%
1990121,003-7,296-5.69%
1980128,2991,1240.88%
1970127,175-344-0.27%
1960127,51915,56513.90%
1950111,95410,91510.80%
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%
187049,97713,12135.60%
186036,8563,68411.11%
185033,1722990.91%
184032,87313,14466.62%
183019,7298,04868.90%
182011,6813,40441.13%
18108,2775,049156.41%
18003,2280.00%
2021 Growth Rate
-0.97%
County Website
Founded
November 7, 1803
County Seat
2010 Population
116,605
Growth Since 2010
-7.95%
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Mercer County, Pennsylvania Population Growth

Population by Race

Race Population Percentage
White101,78891.27%
Black or African American6,3585.70%
Two or More Races2,1571.93%
Asian8220.74%
Some Other Race2750.25%
American Indian and Alaska Native1150.10%
Native Hawaiian and Other Pacific Islander30.00%
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Mercer County, Pennsylvania Population by Race

Mercer County, Pennsylvania Population Pyramid $2021

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Mercer County, Pennsylvania Median Age

44.7


Total

43.1


Male

46.6


Female

Mercer County, Pennsylvania Adults

There are 89,645 adults, (23,624 of whom are seniors) in Mercer County, Pennsylvania.

Mercer County, Pennsylvania Age Dependency

68.9

Age Dependency Ratio

35.8

Old Age Dependency Ratio

33.1

Child Dependency Ratio

Mercer County, Pennsylvania Sex Ratio

Female

56,557

50.72%

Male

54,961

49.28%

Mercer County, Pennsylvania Population by Age

Mercer County, Pennsylvania Renter vs Owner Occupied by Household Type

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Mercer County, Pennsylvania Household Types

Type Owner Renter
Married89%11%
All72.5%27.5%
Male69.4%30.6%
Non Family59%41%
Female48.4%51.6%

72.5%

Rate of Home Ownership

Mercer County, Pennsylvania Households and Families

Type Count Average Size Owned
All46,3402.2572.5
Married21,9022.989
Non Family16,9851.1659
Female5,1712.8748.4
Male2,2822.7269.4

2.8

Average Family Size

2.25

Average Household Size

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Mercer County, Pennsylvania Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,2892.91%
9th to 12th Grade5,6667.19%
High School Graduate33,90043.04%
Some College11,65214.79%
Associates Degree7,3379.31%
Bachelors Degree11,38414.45%
Graduate Degree6,5388.30%
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Mercer County, Pennsylvania Educational Attainment by Sex (over 25)

Mercer County, Pennsylvania Educational Attainment by Race

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Race Total High School Bachelors
White72,88065,80716,986
Black3,8553,373462
Hispanic829646130
2+ Races654570192
Asian469339151
Other Race1881168
Native American988514
Islander22

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

The highest rate of bachelors degrees is among asian people with a rate of 32.20%.

Mercer County, Pennsylvania Educational Attainment by Race

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Name Average Male Female
Overall$35,124$44,441$27,635
Less Than 9th Grade$25,160$30,074$12,326
High School Graduate$30,547$39,266$22,447
Some College$31,848$43,373$26,345
Bachelors Degree$47,599$57,482$36,828
Graduate Degree$60,924$67,267$56,166

$35,124

Average Earnings

$44,441

Average Male

$27,635

Average Female

Mercer County, Pennsylvania Earnings by Educational Attainment

Mercer County, Pennsylvania Language by Age

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Mercer County, Pennsylvania Language

95.79% of Mercer County, Pennsylvania residents speak only English, while 4.21% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.86% of the population.

Mercer County, Pennsylvania Language

Mercer County, Pennsylvania Poverty by Race

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Name Total In Poverty Poverty Rate
White95,00811,07411.66%
Black5,2882,29043.31%
Multiple1,83764935.33%
Asian74423131.05%
Hispanic1,13120918.48%
Other2203716.82%
Native115119.57%
Islander3266.67%

13.90%

Overall Poverty Rate

12.30%

Male Poverty Rate

15.41%

Female Poverty Rate

Poverty in Mercer County, Pennsylvania

The race most likely to be in poverty in Mercer County, Pennsylvania is Islander, with 66.67% below the poverty level.

The race least likely to be in poverty in Mercer County, Pennsylvania is Native, with 9.57% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.61%. Among those working part-time, it was 17.19%, and for those that did not work, the poverty rate was 18.54%.

Mercer County, Pennsylvania Poverty

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Name Poverty
Less Than 9th Grade26.02%
High School12.02%
Some College9.70%
Bachelors or Greater3.41%

Mercer County, Pennsylvania Poverty Rate by Education

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Rate Poverty
Female Unemployed51.12%
Male Unemployed29.53%
Female Employed8.42%
Male Employed5.02%

Mercer County, Pennsylvania Poverty Rate by Employment Status and Sex

Mercer County, Pennsylvania Income by Household Type

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Name Median Mean
Households$50,696$65,894
Families$66,019$78,693
Married Families$76,215$89,183
Non Families$29,837$41,459
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Income by Household Type

Mercer County, Pennsylvania Marital Status

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Marriage Rates

48.3%

Overall Marriage Rate

49.5%

Male Marriage Rate

47.2%

Female Marriage Rate

Mercer County, Pennsylvania Married by Age and Sex

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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

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Mercer County, Pennsylvania Marital Status

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8,688

Number of Veterans

8,204

Male Veterans

484

Female Veterans

War Veterans
Vietnam3,303
First Gulf War1,297
Second Gulf War976
Korea913
World War II682

Mercer County, Pennsylvania Veterans by War

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Age Group Veterans
75+2,820
65 to 742,570
35 to 541,638
55 to 641,264
18 to 34396

Mercer County, Pennsylvania Veterans by Age

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Name Veterans % of Total
White8,2109.88%
Black3828.29%
2+ Races494.99%
Hispanic413.87%
Asian284.56%
Native American1414.14%
Other Race52.60%

Mercer County, Pennsylvania Veterans by Race

Mercer County, Pennsylvania Veterans by Education

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7.19%

Veteran Poverty Rate

37.42%

Veteran Disability Rate

Mercer County, Pennsylvania Veterans by Education

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56.2%

Labor Force Participation

53.2%

Employment Rate

5.2%

Unemployment Rate

Mercer County, Pennsylvania Employment by Age

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Mercer County, Pennsylvania Employment by Race

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Mercer County, Pennsylvania 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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80.14%

Born in Mercer County, Pennsylvania

98.51%

Native Born

1.49%

Foreign Born

0.47%

Non Citizen

1.01%

Naturalized

Place of Birth

98.51% of Mercer County, Pennsylvania residents were born in the United States, with 80.14% having been born in Pennsylvania. 0.47% 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

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources