Mercer County, Ohio Population 2021

Mercer County, Ohio's estimated population is 41,612 with a growth rate of 0.53% in the past year according to the most recent United States census data. Mercer County, Ohio is the 61st largest county in Ohio. The 2010 Population was 40,788 and has seen a growth of 2.02% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202141,6122200.53%
202041,3922200.53%
201941,1722200.54%
201840,952940.23%
201740,8581430.35%
201640,715-8-0.02%
201540,723-7-0.02%
201440,7301150.28%
201340,615-90-0.22%
201240,705-10-0.02%
201140,715-73-0.18%
201040,7881,3453.41%
199039,4431,1092.89%
198038,3343,0698.70%
197035,2652,7068.31%
196032,5594,24815.00%
195028,3112,0557.83%
194026,2561,1604.62%
193025,096-1,776-6.61%
192026,872-664-2.41%
191027,536-485-1.73%
190028,0218012.94%
189027,2205,41224.82%
188021,8084,55426.39%
187017,2543,15022.33%
186014,1046,39282.88%
18507,712-565-6.83%
18408,2777,167645.68%
18301,1101,0151068.42%
1820950.00%
2021 Growth Rate
0.53%
County Website
State
Founded
January 2, 1824
County Seat
2010 Population
40,788
Growth Since 2010
2.02%
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Mercer County, Ohio Population Growth

Population by Race

Race Population Percentage
White39,65897.00%
Black or African American3350.82%
Two or More Races2920.71%
Native Hawaiian and Other Pacific Islander2360.58%
Asian2280.56%
Some Other Race1350.33%
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Mercer County, Ohio Population by Race

Mercer County, Ohio Population Pyramid $2021

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Mercer County, Ohio Median Age

39.6


Total

38.3


Male

41.5


Female

Mercer County, Ohio Adults

There are 30,361 adults, (7,074 of whom are seniors) in Mercer County, Ohio.

Mercer County, Ohio Age Dependency

75.6

Age Dependency Ratio

30.4

Old Age Dependency Ratio

45.2

Child Dependency Ratio

Mercer County, Ohio Sex Ratio

Female

20,214

49.44%

Male

20,670

50.56%

Mercer County, Ohio Population by Age

Mercer County, Ohio Renter vs Owner Occupied by Household Type

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Mercer County, Ohio Household Types

Type Owner Renter
Married90.2%9.8%
All77%23%
Non Family61.4%38.6%
Male60.8%39.2%
Female49%51%

77.0%

Rate of Home Ownership

Mercer County, Ohio Households and Families

Type Count Average Size Owned
All16,2342.4977
Married9,3183.0990.2
Non Family4,7731.1461.4
Female1,1542.7549
Male9892.9960.8

2.98

Average Family Size

2.49

Average Household Size

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Mercer County, Ohio Households by Type

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Education Attained Count Percentage
Less Than 9th Grade3461.28%
9th to 12th Grade1,7776.58%
High School Graduate12,23345.30%
Some College4,64117.19%
Associates Degree3,06511.35%
Bachelors Degree3,06711.36%
Graduate Degree1,8766.95%
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Mercer County, Ohio Educational Attainment by Sex (over 25)

Mercer County, Ohio Educational Attainment by Race

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Race Total High School Bachelors
White26,11424,1294,817
Hispanic390330
2+ Races16712819
Black15412614
Islander938234
Other Race8976
Asian878759

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 asian people with a rate of 67.82%.

Mercer County, Ohio Educational Attainment by Race

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Name Average Male Female
Overall$40,331$50,211$30,356
Less Than 9th Grade$22,917$31,228$18,125
High School Graduate$37,168$46,649$25,224
Some College$37,092$51,063$28,446
Bachelors Degree$51,368$71,250$40,379
Graduate Degree$56,920$62,609$55,308

$40,331

Average Earnings

$50,211

Average Male

$30,356

Average Female

Mercer County, Ohio Earnings by Educational Attainment

Mercer County, Ohio Language by Age

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Mercer County, Ohio Language

98.19% of Mercer County, Ohio residents speak only English, while 1.81% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 0.81% of the population.

Mercer County, Ohio Language

Mercer County, Ohio Poverty by Race

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Name Total In Poverty Poverty Rate
White38,4832,2765.91%
Hispanic78316020.43%
Multiple2867425.87%
Black2905820.00%
Islander236218.90%
Other13542.96%
Asian21220.94%

6.43%

Overall Poverty Rate

5.52%

Male Poverty Rate

7.36%

Female Poverty Rate

Poverty in Mercer County, Ohio

The race most likely to be in poverty in Mercer County, Ohio is Multiple, with 25.87% below the poverty level.

The race least likely to be in poverty in Mercer County, Ohio is Asian, with 0.94% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.09%. Among those working part-time, it was 8.25%, and for those that did not work, the poverty rate was 11.33%.

Mercer County, Ohio Poverty

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Name Poverty
Less Than 9th Grade14.47%
High School5.46%
Some College5.05%
Bachelors or Greater2.68%

Mercer County, Ohio Poverty Rate by Education

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Rate Poverty
Female Unemployed29.02%
Male Unemployed22.22%
Female Employed3.55%
Male Employed1.60%

Mercer County, Ohio Poverty Rate by Employment Status and Sex

Mercer County, Ohio Income by Household Type

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Name Median Mean
Households$62,952$76,115
Families$72,416$87,457
Married Families$81,025$94,099
Non Families$36,491$44,608
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Income by Household Type

Mercer County, Ohio Marital Status

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Marriage Rates

59.9%

Overall Marriage Rate

59.7%

Male Marriage Rate

60.1%

Female Marriage Rate

Mercer County, Ohio Married by Age and Sex

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Mercer County, Ohio 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 55-64.

Mercer County, Ohio Marital Status by Race

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Mercer County, Ohio Marital Status

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2,229

Number of Veterans

2,206

Male Veterans

23

Female Veterans

War Veterans
Vietnam878
Korea316
First Gulf War307
Second Gulf War179
World War II51

Mercer County, Ohio Veterans by War

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Age Group Veterans
65 to 74684
75+673
35 to 54396
55 to 64351
18 to 34125

Mercer County, Ohio Veterans by Age

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Name Veterans % of Total
White2,1607.30%
Hispanic428.96%
Other Race2623.42%
Black2512.89%
2+ Races1810.65%

Mercer County, Ohio Veterans by Race

Mercer County, Ohio Veterans by Education

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3.38%

Veteran Poverty Rate

27.78%

Veteran Disability Rate

Mercer County, Ohio Veterans by Education

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68.5%

Labor Force Participation

66.7%

Employment Rate

2.5%

Unemployment Rate

Mercer County, Ohio Employment by Age

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Mercer County, Ohio Employment by Race

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Mercer County, Ohio 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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86.40%

Born in Mercer County, Ohio

98.57%

Native Born

1.43%

Foreign Born

0.99%

Non Citizen

0.44%

Naturalized

Place of Birth

98.57% of Mercer County, Ohio residents were born in the United States, with 86.40% having been born in Ohio. 0.99% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Mercer County, Ohio 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