Marion County, Ohio Population 2024

63,304

Marion County, Ohio's estimated 2024 population is 63,304 with a growth rate of -1.05% in the past year according to the most recent United States census data. Marion County, Ohio is the 39th largest county in Ohio. The 2010 population was 66,459 and has seen a growth of -4.75% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202959,959-669-1.1%
202860,628-669-1.09%
202761,297-669-1.08%
202661,966-669-1.07%
202562,635-669-1.06%
202463,304-669-1.05%
202363,973-669-1.03%
202264,642-669-1.02%
202165,311-88-0.13%
202065,3993420.53%
201965,057-369-0.56%
201865,4263130.48%
201765,113-368-0.56%
201665,481110.02%
201565,470-352-0.53%
201465,822-174-0.26%
201365,996-305-0.46%
201266,301-313-0.47%
201166,6141550.23%
201066,459
199064,274-3,700-5.44%
198067,9743,2505.02%
197064,7244,5037.48%
196060,22110,26220.54%
195049,9595,06111.27%
194044,898-522-1.15%
193045,4203,4168.13%
192042,0048,03323.65%
191033,9715,29318.46%
190028,6783,95115.98%
189024,7274,16220.24%
188020,5654,38127.07%
187016,1846944.48%
186015,4902,87222.76%
185012,618-2,147-14.54%
184014,7658,214125.39%
18306,551-53,408-89.07%
showing: 37 rows
2024 Growth Rate
-1.05% (-669)
County Website
Marion County
State
Ohio
County Seat
2010 Population
66,459
Area
404 mi²
Density
157 people/mi²
Growth Since 2010
-4.75% (-3,155)
Founded
May 1, 1824

Marion County, Ohio Population 2024

Population by Race

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Race
Population
Percentage (of total)
White57,52188%
Black or African American3,3755.16%
Two or more races3,1064.75%
Other race7401.13%
Asian4820.74%
Native American1160.18%
Native Hawaiian or Pacific Islander260.04%
showing: 7 rows

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Marion County, Ohio Population by Race

Marion County, Ohio Population Pyramid 2024

Marion County, Ohio Median Age

40.7

Total

39.6

Male

42.2

Female

Marion County, Ohio Adults

There are 51,592 adults, (11,890 of whom are seniors) in Marion County, Ohio.

Marion County, Ohio Age Dependency

64.6

Age Dependency Ratio

29.9

Old Age Dependency Ratio

34.7

Child Dependency Ratio

Marion County, Ohio Sex Ratio

Female30,27846.32%
Male35,08853.68%

Marion County, Ohio Population by Age

Marion County, Ohio Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All24,3062.4767.232.8
Married10,7443.1182.117.9
Non Family9,2761.2257.242.8
Female2,9883.6846.253.8
Male1,2983.3563.336.7
showing: 5 rows

3.13

Average Family Size

2.47

Average Household Size

67.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Marion County, Ohio Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Marion County, Ohio Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among islander people with a rate of 38.46%.

Marion County, Ohio Educational Attainment by Race

All

Male

Female

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$40,661

Average Earnings

$45,735

Average Male

$33,602

Average Female

Marion County, Ohio Earnings by Educational Attainment

Marion County, Ohio Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Marion County, Ohio Language

95.89% of Marion County, Ohio residents speak only English, while 4.11% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.83% of the population.

Marion County, Ohio Language

Marion County, Ohio Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White54,2397,73414.26%
Hispanic1,59081351.13%
Multiple2,71476428.15%
Black1,31633325.3%
Other65924837.63%
Asian46015533.7%
Native533973.58%
showing: 7 rows

16.08%

Overall Poverty Rate

14.33%

Male Poverty Rate

17.83%

Female Poverty Rate

Poverty in Marion County, Ohio

The race most likely to be in poverty in Marion County, Ohio is Native, with 73.58% below the poverty level.

The race least likely to be in poverty in Marion County, Ohio is White, with 14.26% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.06%. Among those working part-time, it was 22.93%, and for those that did not work, the poverty rate was 21.41%.

Marion County, Ohio Poverty

rate

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Rate
Poverty
Less Than 9th Grade32.63%
High School14.97%
Some College8.61%
Bachelors or Greater4.45%
showing: 4 rows

Marion County, Ohio Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed43.01%
Male Unemployed39.7%
Female Employed10.97%
Male Employed5.67%
showing: 4 rows

Marion County, Ohio Poverty Rate by Employment Status and Sex

Marion County, Ohio Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Marion County, Ohio Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

43.4%

Overall Marriage Rate

41.2%

Male Marriage Rate

45.9%

Female Marriage Rate

Marion County, Ohio Married by Age and Sex

male

female

Marion 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 35-44.

Marion County, Ohio Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Marion County, Ohio Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

4,252

Number of Veterans

3,974

Male Veterans

278

Female Veterans

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Marion County, Ohio Veterans by War

count

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Marion County, Ohio Veterans by Age

count

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Marion County, Ohio Veterans by Race

Marion County, Ohio Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.65%

Veteran Poverty Rate

32.54%

Veteran Disability Rate

Marion County, Ohio Veterans by Education

LaborForceParticipation

54.2%

Labor Force Participation

51.1%

Employment Rate

5.7%

Unemployment Rate

Marion County, Ohio Employment by Age

LaborForceParticipation

Marion County, Ohio Employment by Race

LaborForceParticipation

Marion 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

82.11%

Born in Marion County, Ohio

98.49%

Native Born

1.51%

Foreign Born

0.56%

Non Citizen

0.95%

Naturalized

Place of Birth

98.49% of Marion County, Ohio residents were born in the United States, with 82.11% having been born in Ohio. 0.56% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Marion County, Ohio Place of Birth

Sources