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)
White55,74587.91%
Asian2,9754.69%
Two or more races2,5604.04%
Black or African American1,5812.49%
Other race4600.73%
Native American900.14%
Native Hawaiian or Pacific Islander00%

White

Asian

Two or more races

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

38.4

Total

38.3

Male

38.5

Female

Union County, Ohio Adults

There are 48,068 adults, (8,213 of whom are seniors) in Union County, Ohio.

Union County, Ohio Age Dependency

59.1

Age Dependency Ratio

20.6

Old Age Dependency Ratio

38.5

Child Dependency Ratio

Union County, Ohio Sex Ratio

Female32,73951.63%
Male30,67248.37%

Union County, Ohio Population by Age

Union County, Ohio Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All22,6442.6880.419.6
Married13,8923.2192.97.1
Non Family5,6591.256238
Female1,7732.8450.849.2
Male1,3203.0267.932.1

3.08

Average Family Size

2.68

Average Household Size

80.4%

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 Grade1,7584.08%
Associates Degree2,9246.79%
Bachelors Degree11,10125.79%
Graduate Degree5,82113.53%
High School Graduate13,14430.54%
Less Than 9th Grade4240.99%
Some College7,86518.27%

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
White37,92736,18614,185
Asian1,8571,8191,634
2+ Races1,5271,473714
Black1,147894252
Hispanic829725337
Other Race31524364
Native American666518

The highest rate of high school graduation is among native american people with a rate of 98.48%.

The highest rate of bachelors degrees is among asian people with a rate of 87.99%.

Union County, Ohio Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$76,930$94,103$62,008
Graduate Degree$101,843$134,557$78,058
High School Graduate$41,364$54,375$29,750
Less Than 9th Grade$22,000$30,481$11,447
Overall$60,477$71,320$48,315
Some College$51,849$61,204$43,010

$60,477

Average Earnings

$71,320

Average Male

$48,315

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

93.09% of Union County, Ohio residents speak only English, while 6.91% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 2.88% of the population.

Union County, Ohio Language

Union County, Ohio Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White53,1802,7835.23%
Multiple2,36728211.91%
Hispanic1,3861158.3%
Black1,114292.6%
Asian2,975200.67%

5.17%

Overall Poverty Rate

4.26%

Male Poverty Rate

6.1%

Female Poverty Rate

Poverty in Union County, Ohio

The race most likely to be in poverty in Union County, Ohio is Multiple, with 11.91% below the poverty level.

The race least likely to be in poverty in Union County, Ohio is Asian, with 0.67% 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 6.58%, and for those that did not work, the poverty rate was 11.86%.

Union County, Ohio Poverty

rate

Rate
Poverty
Less Than 9th Grade20.13%
High School6.75%
Some College5.02%
Bachelors or Greater0.34%

Union County, Ohio Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed37.91%
Male Unemployed6.38%
Female Employed2.73%
Male Employed1.09%

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$120,130$148,707
Households$104,496$129,983
Married Families$130,261$-999,999,999
Non Families$58,520$67,512

mean

median

Income by Household Type

Union County, Ohio Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

57.0%

Overall Marriage Rate

59.3%

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 55-64.

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

3,002

Number of Veterans

2,844

Male Veterans

158

Female Veterans

War
Veterans
Vietnam1,054
Second Gulf War771
First Gulf War661
Korea148
World War II19

Union County, Ohio Veterans by War

count

Age Group
Veterans
35 to 54820
65 to 74810
55 to 64566
75+472
18 to 34334

Union County, Ohio Veterans by Age

count

Name
Veterans
% of Total
White2,7146.38%
2+ Races1387.83%
Hispanic9710.11%
Black755.87%
Other Race3910.96%
Asian211.03%
Native American1519.74%

Union County, Ohio Veterans by Race

Union County, Ohio Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.8%

Veteran Poverty Rate

22.58%

Veteran Disability Rate

Union County, Ohio Veterans by Education

LaborForceParticipation

67.8%

Labor Force Participation

65.7%

Employment Rate

2.9%

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

76.11%

Born in Union County, Ohio

94.86%

Native Born

5.14%

Foreign Born

2.27%

Non Citizen

2.88%

Naturalized

Place of Birth

94.86% of Union County, Ohio residents were born in the United States, with 76.11% having been born in Ohio. 2.27% 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