Union County, Ohio Population 2024

72,398

Union County, Ohio's estimated 2024 population is 72,398 with a growth rate of 3.96% in the past year according to the most recent United States census data. Union County, Ohio is the 35th largest county in Ohio. The 2010 population was 52,462 and has seen a growth of 38% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202986,2032,7613.31%
202883,4422,7613.42%
202780,6812,7613.54%
202677,9202,7613.67%
202575,1592,7613.81%
202472,3982,7613.96%
202369,6372,7614.13%
202266,8761,7702.72%
202165,1062,0213.2%
202063,0854,0316.83%
201959,0541,2182.11%
201857,8369941.75%
201756,8421,2412.23%
201655,6011,2072.22%
201554,3946121.14%
201453,7823420.64%
201353,4406421.22%
201252,798-303-0.57%
201153,1016391.22%
201052,46200%
199031,9692,4338.24%
198029,5365,75024.17%
197023,7869334.08%
196022,8532,16610.47%
195020,6876753.37%
194020,0128204.27%
193019,192-1,726-8.25%
192020,918-953-4.36%
191021,871-471-2.11%
190022,342-518-2.27%
189022,8604852.17%
188022,3753,64519.46%
187018,7302,22313.47%
186016,5074,30335.26%
185012,2043,78244.91%
18408,4225,230163.85%
18303,1921,19659.92%
18201,996-84,207-97.68%
2024 Growth Rate
3.96% (2,761)
County Website
Union County
State
Ohio
County Seat
Marysville
2020 Population
63,085
Area
432 mi²
Density
168 people/mi²
Growth Since 2020
14.76% (9,313)
Founded
April 1, 1820

Population by Race

Race
Population
Percentage (of total)
White56,52286.57%
Two or more races3,2544.98%
Asian3,1524.83%
Black or African American1,5682.4%
Other race7111.09%
Native American860.13%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Union County, Ohio Population by Race

Union County, Ohio Population Pyramid 2024

Union County, Ohio Median Age

38.1

Total

37.8

Male

38.4

Female

Union County, Ohio Adults

There are 49,446 adults, (8,450 of whom are seniors) in Union County, Ohio.

Union County, Ohio Age Dependency

59.3

Age Dependency Ratio

20.6

Old Age Dependency Ratio

38.7

Child Dependency Ratio

Union County, Ohio Sex Ratio

Female33,71451.63%
Male31,57948.37%

Union County, Ohio Population by Age

Union County, Ohio Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All23,4952.6779.420.6
Married14,1973.291.38.7
Non Family5,9281.2462.537.5
Female2,0962.952.347.7
Male1,2743.047030

3.07

Average Family Size

2.67

Average Household Size

79.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Union County, Ohio Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,6823.78%
Associates Degree3,4547.76%
Bachelors Degree11,24525.27%
Graduate Degree6,15213.83%
High School Graduate13,40630.13%
Less Than 9th Grade4420.99%
Some College8,11018.23%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Union County, Ohio Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White38,71537,03714,179
Asian2,0361,9901,788
2+ Races1,8991,803821
Black1,140960355
Hispanic1,118967486
Other Race429323174
Native American595817

The highest rate of high school graduation is among native american people with a rate of 98.31%.

The highest rate of bachelors degrees is among asian people with a rate of 87.82%.

Union County, Ohio Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$78,855$92,031$66,505
Graduate Degree$108,841$130,536$87,525
High School Graduate$44,432$57,801$30,075
Less Than 9th Grade$26,404$34,453$11,716
Overall$62,307$73,091$51,438
Some College$52,317$62,131$43,194

$62,307

Average Earnings

$73,091

Average Male

$51,438

Average Female

Union County, Ohio Earnings by Educational Attainment

Union County, Ohio Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Union County, Ohio Language

92.2% of Union County, Ohio residents speak only English, while 7.8% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 3.05% of the population.

Union County, Ohio Language

Union County, Ohio Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White54,1032,8645.29%
Multiple3,0302568.45%
Hispanic1,803935.16%
Black1,161363.1%
Asian3,147130.41%

5.06%

Overall Poverty Rate

4.17%

Male Poverty Rate

5.97%

Female Poverty Rate

Poverty in Union County, Ohio

The race most likely to be in poverty in Union County, Ohio is Multiple, with 8.45% below the poverty level.

The race least likely to be in poverty in Union County, Ohio is Asian, with 0.41% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.94%. Among those working part-time, it was 7.01%, and for those that did not work, the poverty rate was 11.22%.

Union County, Ohio Poverty

rate

Rate
Poverty
Less Than 9th Grade19.88%
High School7.04%
Some College3.99%
Bachelors or Greater0.53%

Union County, Ohio Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed33.6%
Male Unemployed10.78%
Female Employed2.42%
Male Employed1.46%

Union County, Ohio Poverty Rate by Employment Status and Sex

Union County, Ohio Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$123,968$153,242
Households$109,506$134,832
Married Families$136,098$169,897
Non Families$57,714$73,952

mean

median

Income by Household Type

Union County, Ohio Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

57.0%

Overall Marriage Rate

59.5%

Male Marriage Rate

54.8%

Female Marriage Rate

Union County, Ohio Married by Age and Sex

male

female

Union 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.

Union County, Ohio Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Union County, Ohio Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,876

Number of Veterans

2,773

Male Veterans

103

Female Veterans

War
Veterans
Vietnam978
Second Gulf War704
First Gulf War691
Korea149
World War II17

Union County, Ohio Veterans by War

count

Age Group
Veterans
35 to 54822
65 to 74680
75+605
55 to 64531
18 to 34238

Union County, Ohio Veterans by Age

count

Name
Veterans
% of Total
White2,6206.06%
2+ Races1195.59%
Hispanic1189.16%
Black554.3%
Other Race459.02%
Asian231.03%
Native American1419.44%

Union County, Ohio Veterans by Race

Union County, Ohio Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.17%

Veteran Poverty Rate

25.99%

Veteran Disability Rate

Union County, Ohio Veterans by Education

LaborForceParticipation

68.4%

Labor Force Participation

66.8%

Employment Rate

2.4%

Unemployment Rate

Union County, Ohio Employment by Age

LaborForceParticipation

Union County, Ohio Employment by Race

LaborForceParticipation

Union 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

75.15%

Born in Union County, Ohio

94.23%

Native Born

5.77%

Foreign Born

2.63%

Non Citizen

3.14%

Naturalized

Place of Birth

94.23% of Union County, Ohio residents were born in the United States, with 75.15% having been born in Ohio. 2.63% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Union County, Ohio Place of Birth

Sources