Clark County, Ohio Population 2021

Clark County, Ohio's estimated population is 133,193 with a growth rate of -0.33% in the past year according to the most recent United States census data. Clark County, Ohio is the 22nd largest county in Ohio. The 2010 Population was 138,274 and has seen a growth of -3.67% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021133,193-445-0.33%
2020133,638-445-0.33%
2019134,083-445-0.33%
2018134,528-21-0.02%
2017134,549-174-0.13%
2016134,723-1,023-0.75%
2015135,746-565-0.41%
2014136,311-327-0.24%
2013136,638-533-0.39%
2012137,171-640-0.46%
2011137,811-463-0.33%
2010138,274-9,274-6.29%
1990147,548-2,688-1.79%
1980150,236-6,879-4.38%
1970157,11525,67519.53%
1960131,44019,77917.71%
1950111,66116,01416.74%
194095,6474,7115.18%
193090,93610,20812.64%
192080,72814,29321.51%
191066,4357,49612.72%
190058,9396,66212.74%
189052,27710,32924.62%
188041,9489,87830.80%
187032,0706,77026.76%
186025,3003,12214.08%
185022,1785,29631.37%
184016,8823,76828.73%
183013,1143,58137.56%
18209,5330.00%
2021 Growth Rate
-0.33%
County Website
State
Founded
March 1, 1818
County Seat
2010 Population
138,274
Growth Since 2010
-3.67%
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Clark County, Ohio Population Growth

Population by Race

Race Population Percentage
White116,99986.84%
Black or African American10,9158.10%
Two or More Races5,0383.74%
Asian8250.61%
Some Other Race6550.49%
American Indian and Alaska Native2560.19%
Native Hawaiian and Other Pacific Islander380.03%
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Clark County, Ohio Population by Race

Clark County, Ohio Population Pyramid $2021

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Clark County, Ohio Median Age

41.1


Total

40


Male

42.3


Female

Clark County, Ohio Adults

There are 104,308 adults, (25,635 of whom are seniors) in Clark County, Ohio.

Clark County, Ohio Age Dependency

71.2

Age Dependency Ratio

32.6

Old Age Dependency Ratio

38.7

Child Dependency Ratio

Clark County, Ohio Sex Ratio

Female

69,489

51.58%

Male

65,237

48.42%

Clark County, Ohio Population by Age

Clark County, Ohio Renter vs Owner Occupied by Household Type

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Clark County, Ohio Household Types

Type Owner Renter
Married82.8%17.2%
All66%34%
Male60.9%39.1%
Non Family55.1%44.9%
Female42%58%

66.0%

Rate of Home Ownership

Clark County, Ohio Households and Families

Type Count Average Size Owned
All54,6962.4166
Married24,5822.9682.8
Non Family19,2371.2455.1
Female7,8003.2342
Male3,0773.1360.9

2.92

Average Family Size

2.41

Average Household Size

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Clark County, Ohio Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,4332.64%
9th to 12th Grade7,9608.64%
High School Graduate34,89737.88%
Some College21,00422.80%
Associates Degree8,6039.34%
Bachelors Degree10,50711.40%
Graduate Degree6,7287.30%
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Clark County, Ohio Educational Attainment by Sex (over 25)

Clark County, Ohio Educational Attainment by Race

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Race Total High School Bachelors
White80,56271,75915,345
Black7,2476,4981,059
Hispanic1,9931,432260
2+ Races1,6321,400232
Asian576551313
Other Race25019010
Native American21117042
Islander19192

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 54.34%.

Clark County, Ohio Educational Attainment by Race

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Name Average Male Female
Overall$34,798$43,038$29,412
Less Than 9th Grade$20,926$26,494$16,985
High School Graduate$31,139$38,110$24,937
Some College$34,107$43,650$29,481
Bachelors Degree$47,237$55,893$41,028
Graduate Degree$66,998$75,488$62,514

$34,798

Average Earnings

$43,038

Average Male

$29,412

Average Female

Clark County, Ohio Earnings by Educational Attainment

Clark County, Ohio Language by Age

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Clark County, Ohio Language

96.40% of Clark County, Ohio residents speak only English, while 3.60% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.36% of the population.

Clark County, Ohio Language

Clark County, Ohio Poverty by Race

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Name Total In Poverty Poverty Rate
White110,75914,29412.91%
Black10,4022,64925.47%
Multiple4,8181,29026.77%
Hispanic4,4841,15025.65%
Other63923436.62%
Native25012851.20%
Asian782719.08%
Islander38615.79%

14.90%

Overall Poverty Rate

13.57%

Male Poverty Rate

16.15%

Female Poverty Rate

Poverty in Clark County, Ohio

The race most likely to be in poverty in Clark County, Ohio is Native, with 51.20% below the poverty level.

The race least likely to be in poverty in Clark County, Ohio is Asian, with 9.08% 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 18.77%, and for those that did not work, the poverty rate was 20.87%.

Clark County, Ohio Poverty

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Name Poverty
Less Than 9th Grade29.07%
High School12.84%
Some College9.92%
Bachelors or Greater3.53%

Clark County, Ohio Poverty Rate by Education

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Rate Poverty
Female Unemployed34.82%
Male Unemployed27.56%
Female Employed7.99%
Male Employed5.97%

Clark County, Ohio Poverty Rate by Employment Status and Sex

Clark County, Ohio Income by Household Type

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Name Median Mean
Households$50,873$65,280
Families$63,300$76,047
Married Families$76,689$89,903
Non Families$30,325$40,549
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Income by Household Type

Clark County, Ohio Marital Status

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Marriage Rates

47.1%

Overall Marriage Rate

49.7%

Male Marriage Rate

44.7%

Female Marriage Rate

Clark County, Ohio Married by Age and Sex

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Clark County, Ohio 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 55-64.

Clark County, Ohio Marital Status by Race

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Clark County, Ohio Marital Status

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11,565

Number of Veterans

10,611

Male Veterans

954

Female Veterans

War Veterans
Vietnam4,617
First Gulf War2,575
Second Gulf War1,712
Korea675
World War II438

Clark County, Ohio Veterans by War

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Age Group Veterans
65 to 743,315
35 to 542,512
75+2,453
55 to 642,444
18 to 34841

Clark County, Ohio Veterans by Age

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Name Veterans % of Total
White10,61711.50%
Black7408.88%
Hispanic32812.23%
2+ Races1406.20%
Other Race297.06%
Asian202.99%
Native American199.00%

Clark County, Ohio Veterans by Race

Clark County, Ohio Veterans by Education

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6.85%

Veteran Poverty Rate

29.16%

Veteran Disability Rate

Clark County, Ohio Veterans by Education

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60.5%

Labor Force Participation

56.4%

Employment Rate

6.7%

Unemployment Rate

Clark County, Ohio Employment by Age

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Clark County, Ohio Employment by Race

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Clark 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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79.25%

Born in Clark County, Ohio

97.97%

Native Born

2.03%

Foreign Born

1.04%

Non Citizen

0.99%

Naturalized

Place of Birth

97.97% of Clark County, Ohio residents were born in the United States, with 79.25% having been born in Ohio. 1.04% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Clark 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