Clark County, Ohio Population 2024

134,488

Clark County, Ohio's estimated 2024 population is 134,488 with a growth rate of -0.09% in the past year according to the most recent United States census data. Clark County, Ohio is the 21st largest county in Ohio. The 2010 population was 138,272 and has seen a growth of -2.74% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029133,878-122-0.09%
2028134,000-122-0.09%
2027134,122-122-0.09%
2026134,244-122-0.09%
2025134,366-122-0.09%
2024134,488-122-0.09%
2023134,610-122-0.09%
2022134,732-876-0.65%
2021135,608-279-0.21%
2020135,8871,5721.17%
2019134,315-382-0.28%
2018134,697610.05%
2017134,636-169-0.13%
2016134,805-1,005-0.74%
2015135,810-554-0.41%
2014136,364-318-0.23%
2013136,682-516-0.38%
2012137,198-625-0.45%
2011137,823-449-0.32%
2010138,27200%
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%
188041,9489,87830.8%
187032,0706,77026.76%
186025,3003,12214.08%
185022,1785,29631.37%
184016,8823,76828.73%
183013,1143,58137.56%
18209,533-124,345-92.88%
2024 Growth Rate
-0.09% (-122)
County Website
Clark County
State
Ohio
County Seat
Springfield
2020 Population
135,887
Area
396 mi²
Density
340 people/mi²
Growth Since 2020
-1.03% (-1,399)
Founded
March 1, 1818

Population by Race

Race
Population
Percentage (of total)
White115,43684.96%
Black or African American11,0318.12%
Two or more races6,6974.93%
Other race1,6921.25%
Asian8600.63%
Native Hawaiian or Pacific Islander840.06%
Native American770.06%

White

Black or African American

Two or more races

Other race

Asian

Native Hawaiian or Pacific Islander

Native American

Clark County, Ohio Population by Race

Clark County, Ohio Population Pyramid 2024

Clark County, Ohio Median Age

41.4

Total

40.2

Male

42.6

Female

Clark County, Ohio Adults

There are 105,428 adults, (27,008 of whom are seniors) in Clark County, Ohio.

Clark County, Ohio Age Dependency

73.3

Age Dependency Ratio

34.4

Old Age Dependency Ratio

38.8

Child Dependency Ratio

Clark County, Ohio Sex Ratio

Female69,26050.97%
Male66,61749.03%

Clark County, Ohio Population by Age

Clark County, Ohio Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All55,4292.468.531.5
Married23,9902.9985.714.3
Non Family20,3791.2257.342.7
Female7,7153.314654
Male3,3453.2765.934.1

2.95

Average Family Size

2.4

Average Household Size

68.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Clark County, Ohio Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade8,0318.58%
Associates Degree9,75110.42%
Bachelors Degree10,88711.63%
Graduate Degree6,5697.02%
High School Graduate34,93337.32%
Less Than 9th Grade2,2672.42%
Some College21,17522.62%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Clark County, Ohio Educational Attainment by Sex (over 25)

Clark County, Ohio Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White80,99273,03615,697
Black7,2876,2841,006
2+ Races2,5552,016330
Hispanic2,4251,494178
Other Race78948198
Asian585559205
Islander66600
Native American52390

The highest rate of high school graduation is among asian people with a rate of 95.56%.

The highest rate of bachelors degrees is among asian people with a rate of 35.04%.

Clark County, Ohio Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$55,682$65,000$50,201
Graduate Degree$78,563$93,565$70,740
High School Graduate$37,209$44,407$30,084
Less Than 9th Grade$27,888$34,666$22,707
Overall$42,290$50,637$35,450
Some College$41,696$52,824$34,479

$42,290

Average Earnings

$50,637

Average Male

$35,450

Average Female

Clark County, Ohio Earnings by Educational Attainment

Clark County, Ohio Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Clark County, Ohio Language

96.65% of Clark County, Ohio residents speak only English, while 3.35% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.06% of the population.

Clark County, Ohio Language

Clark County, Ohio Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White110,44213,87712.56%
Black10,4592,92828%
Hispanic4,8901,95039.88%
Multiple6,3611,79828.27%
Other1,6771,05963.15%
Asian842708.31%
Native715780.28%
Islander845666.67%

15.59%

Overall Poverty Rate

14.56%

Male Poverty Rate

16.59%

Female Poverty Rate

Poverty in Clark County, Ohio

The race most likely to be in poverty in Clark County, Ohio is Native, with 80.28% below the poverty level.

The race least likely to be in poverty in Clark County, Ohio is Asian, with 8.31% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.65%. Among those working part-time, it was 19.14%, and for those that did not work, the poverty rate was 22.16%.

Clark County, Ohio Poverty

rate

Rate
Poverty
Less Than 9th Grade28.6%
High School14.15%
Some College11.44%
Bachelors or Greater3.44%

Clark County, Ohio Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed38.74%
Male Unemployed31.97%
Female Employed8.66%
Male Employed6.22%

Clark County, Ohio Poverty Rate by Employment Status and Sex

Clark County, Ohio Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$73,447$88,470
Households$58,954$74,459
Married Families$94,424$106,658
Non Families$34,933$44,958

mean

median

Income by Household Type

Clark County, Ohio Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

45.8%

Overall Marriage Rate

48.2%

Male Marriage Rate

43.5%

Female Marriage Rate

Clark County, Ohio Married by Age and Sex

male

female

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 45-54.

Clark County, Ohio Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Clark County, Ohio Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

10,178

Number of Veterans

9,333

Male Veterans

845

Female Veterans

War
Veterans
Vietnam3,943
First Gulf War2,402
Second Gulf War1,842
Korea432
World War II184

Clark County, Ohio Veterans by War

count

Age Group
Veterans
65 to 742,866
75+2,370
55 to 642,136
35 to 542,055
18 to 34751

Clark County, Ohio Veterans by Age

count

Name
Veterans
% of Total
White9,1369.96%
Black8189.77%
Hispanic1986.7%
2+ Races1484.32%
Other Race515.46%
Asian223.1%
Native American35.77%

Clark County, Ohio Veterans by Race

Clark County, Ohio Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

9.21%

Veteran Poverty Rate

30.09%

Veteran Disability Rate

Clark County, Ohio Veterans by Education

LaborForceParticipation

59.6%

Labor Force Participation

55.4%

Employment Rate

6.8%

Unemployment Rate

Clark County, Ohio Employment by Age

LaborForceParticipation

Clark County, Ohio Employment by Race

LaborForceParticipation

Clark County, Ohio 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

78.96%

Born in Clark County, Ohio

97.84%

Native Born

2.16%

Foreign Born

1.27%

Non Citizen

0.9%

Naturalized

Place of Birth

97.84% of Clark County, Ohio residents were born in the United States, with 78.96% having been born in Ohio. 1.27% 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

Sources