Marion County, Ohio Population 2024

65,093

Marion County, Ohio's estimated 2024 population is 65,093 with a growth rate of 0.37% in the past year according to the most recent United States census data. Marion County, Ohio is the 37th largest county in Ohio. The 2010 population was 66,459 and has seen a growth of -2.06% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202966,3032420.37%
202866,0612420.37%
202765,8192420.37%
202665,5772420.37%
202565,3352420.37%
202465,0932420.37%
202364,8512420.37%
202264,609-701-1.07%
202165,310-78-0.12%
202065,3883310.51%
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%
201066,45900%
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%
18306,551-59,752-90.12%
2024 Growth Rate
0.37% (242)
County Website
Marion County
State
Ohio
County Seat
Marion
2020 Population
65,388
Area
404 mi²
Density
161 people/mi²
Growth Since 2020
-0.45% (-295)
Founded
May 1, 1824

Population by Race

Race
Population
Percentage (of total)
White57,07987.62%
Black or African American3,3955.21%
Two or more races3,3725.18%
Other race7771.19%
Asian4370.67%
Native American720.11%
Native Hawaiian or Pacific Islander130.02%

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

40.5

Total

39.8

Male

41.7

Female

Marion County, Ohio Adults

There are 51,272 adults, (11,958 of whom are seniors) in Marion County, Ohio.

Marion County, Ohio Age Dependency

65.7

Age Dependency Ratio

30.4

Old Age Dependency Ratio

35.3

Child Dependency Ratio

Marion County, Ohio Sex Ratio

Female30,13346.26%
Male35,01253.74%

Marion County, Ohio Population by Age

Marion County, Ohio Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All24,5242.4467.832.2
Married10,9083.1484.715.3
Non Family9,2611.2355.644.4
Female2,8313.2545.754.3
Male1,5243.2461.838.2

3.06

Average Family Size

2.44

Average Household Size

67.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Marion County, Ohio Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade3,8318.34%
Associates Degree4,2389.22%
Bachelors Degree4,3209.4%
Graduate Degree1,9744.3%
High School Graduate20,13143.81%
Less Than 9th Grade1,1952.6%
Some College10,25822.33%

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

Race
Total
High School
Bachelors
White40,53236,6035,896
Black2,8242,212126
2+ Races1,3241,09481
Hispanic1,132905130
Other Race44438171
Asian34227381
Native American70600
Islander131313

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 100%.

Marion County, Ohio Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$63,529$68,837$55,938
Graduate Degree$76,541$73,398$80,813
High School Graduate$39,906$45,568$29,816
Less Than 9th Grade$24,934$29,402$22,764
Overall$42,551$48,642$35,539
Some College$41,634$50,061$34,259

$42,551

Average Earnings

$48,642

Average Male

$35,539

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

96.38% of Marion County, Ohio residents speak only English, while 3.62% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.6% of the population.

Marion County, Ohio Language

Marion County, Ohio Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White53,7057,19513.4%
Multiple2,89292131.85%
Hispanic1,63581649.91%
Other68924435.41%
Black1,30624418.68%
Asian40816640.69%
Native312683.87%

15.35%

Overall Poverty Rate

14.1%

Male Poverty Rate

16.6%

Female Poverty Rate

Poverty in Marion County, Ohio

The race most likely to be in poverty in Marion County, Ohio is Native, with 83.87% below the poverty level.

The race least likely to be in poverty in Marion County, Ohio is White, with 13.4% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.71%. Among those working part-time, it was 23.44%, and for those that did not work, the poverty rate was 22.6%.

Marion County, Ohio Poverty

rate

Rate
Poverty
Less Than 9th Grade28.57%
High School17.34%
Some College8.94%
Bachelors or Greater3.81%

Marion County, Ohio Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed44.47%
Male Unemployed44.05%
Female Employed9.9%
Male Employed5.79%

Marion County, Ohio Poverty Rate by Employment Status and Sex

Marion County, Ohio Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$73,424$94,676
Households$57,306$78,335
Married Families$91,342$113,090
Non Families$34,580$47,628

mean

median

Income by Household Type

Marion County, Ohio Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

44.1%

Overall Marriage Rate

41.6%

Male Marriage Rate

47.2%

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 55-64.

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

4,326

Number of Veterans

3,989

Male Veterans

337

Female Veterans

War
Veterans
Vietnam1,313
First Gulf War1,116
Second Gulf War832
Korea92
World War II21

Marion County, Ohio Veterans by War

count

Age Group
Veterans
35 to 541,275
55 to 641,017
65 to 74964
75+710
18 to 34360

Marion County, Ohio Veterans by Age

count

Name
Veterans
% of Total
White4,0198.9%
Black1635.34%
2+ Races1035.03%
Other Race326.13%
Hispanic191.51%
Asian71.83%
Native American22.78%

Marion County, Ohio Veterans by Race

Marion County, Ohio Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

8.76%

Veteran Poverty Rate

32.05%

Veteran Disability Rate

Marion County, Ohio Veterans by Education

LaborForceParticipation

53.6%

Labor Force Participation

50.4%

Employment Rate

6%

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

82.63%

Born in Marion County, Ohio

98.26%

Native Born

1.74%

Foreign Born

0.6%

Non Citizen

1.14%

Naturalized

Place of Birth

98.26% of Marion County, Ohio residents were born in the United States, with 82.63% having been born in Ohio. 0.6% 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