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World Population Review
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 |
|---|---|---|---|
| 2021 | 41,612 | 220 | 0.53% |
| 2020 | 41,392 | 220 | 0.53% |
| 2019 | 41,172 | 220 | 0.54% |
| 2018 | 40,952 | 94 | 0.23% |
| 2017 | 40,858 | 143 | 0.35% |
| 2016 | 40,715 | -8 | -0.02% |
| 2015 | 40,723 | -7 | -0.02% |
| 2014 | 40,730 | 115 | 0.28% |
| 2013 | 40,615 | -90 | -0.22% |
| 2012 | 40,705 | -10 | -0.02% |
| 2011 | 40,715 | -73 | -0.18% |
| 2010 | 40,788 | 1,345 | 3.41% |
| 1990 | 39,443 | 1,109 | 2.89% |
| 1980 | 38,334 | 3,069 | 8.70% |
| 1970 | 35,265 | 2,706 | 8.31% |
| 1960 | 32,559 | 4,248 | 15.00% |
| 1950 | 28,311 | 2,055 | 7.83% |
| 1940 | 26,256 | 1,160 | 4.62% |
| 1930 | 25,096 | -1,776 | -6.61% |
| 1920 | 26,872 | -664 | -2.41% |
| 1910 | 27,536 | -485 | -1.73% |
| 1900 | 28,021 | 801 | 2.94% |
| 1890 | 27,220 | 5,412 | 24.82% |
| 1880 | 21,808 | 4,554 | 26.39% |
| 1870 | 17,254 | 3,150 | 22.33% |
| 1860 | 14,104 | 6,392 | 82.88% |
| 1850 | 7,712 | -565 | -6.83% |
| 1840 | 8,277 | 7,167 | 645.68% |
| 1830 | 1,110 | 1,015 | 1068.42% |
| 1820 | 95 | 0.00% |
2021 Growth Rate
0.53%
County Website
State
Founded
January 2, 1824
County Seat
Lat./Long.
2010 Population
40,788
Growth Since 2010
2.02%
Mercer County, Ohio Population Growth
| Race | Population | Percentage |
|---|---|---|
| White | 39,658 | 97.00% |
| Black or African American | 335 | 0.82% |
| Two or More Races | 292 | 0.71% |
| Native Hawaiian and Other Pacific Islander | 236 | 0.58% |
| Asian | 228 | 0.56% |
| Some Other Race | 135 | 0.33% |
Mercer County, Ohio Population by Race
Mercer County, Ohio Population Pyramid $2021
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Mercer County, Ohio Population by Age
Mercer County, Ohio Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 16,234 | 2.49 | 77 |
| Married | 9,318 | 3.09 | 90.2 |
| Non Family | 4,773 | 1.14 | 61.4 |
| Female | 1,154 | 2.75 | 49 |
| Male | 989 | 2.99 | 60.8 |
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 Grade | 346 | 1.28% |
| 9th to 12th Grade | 1,777 | 6.58% |
| High School Graduate | 12,233 | 45.30% |
| Some College | 4,641 | 17.19% |
| Associates Degree | 3,065 | 11.35% |
| Bachelors Degree | 3,067 | 11.36% |
| Graduate Degree | 1,876 | 6.95% |
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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 |
|---|---|---|---|
| White | 26,114 | 24,129 | 4,817 |
| Hispanic | 390 | 330 | |
| 2+ Races | 167 | 128 | 19 |
| Black | 154 | 126 | 14 |
| Islander | 93 | 82 | 34 |
| Other Race | 89 | 76 | |
| Asian | 87 | 87 | 59 |
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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$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 |
|---|---|---|---|
| White | 38,483 | 2,276 | 5.91% |
| Hispanic | 783 | 160 | 20.43% |
| Multiple | 286 | 74 | 25.87% |
| Black | 290 | 58 | 20.00% |
| Islander | 236 | 21 | 8.90% |
| Other | 135 | 4 | 2.96% |
| Asian | 212 | 2 | 0.94% |
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
Mercer County, Ohio Poverty Rate by Education
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
Mercer County, Ohio Veterans by War
Mercer County, Ohio Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 2,160 | 7.30% |
| Hispanic | 42 | 8.96% |
| Other Race | 26 | 23.42% |
| Black | 25 | 12.89% |
| 2+ Races | 18 | 10.65% |
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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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
- US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- Population of States and Counties of the United States: 1790 - 1990