Union County, OH demographics:
population, income, and more

Total population
67,324
3.1% year-over-year change
Median household income
$112,322/yr
2.6% year-over-year change
Housing units
25,158
3.5% year-over-year change

Union County population

How many people live in Union County

Union County is home to 67,324 residents, according to the most recent Census data. Gender-wise, 48.5% of Union County locals are male, and 51.5% are female.

Total population
67,324
3.1% year-over-year change
Gender ratio
Male
48.5%
32,677
Female
51.5%
34,647
Value Percent YoY change
Male 32,677 48.5% 3.5%
Female 34,647 51.5% 2.8%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Union County is 38, with the population distributed as follows: about 19.8% are children under 15, then 11.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 29% of the population, while another 26.2% fall into the 45 to 64 bracket. Finally, around 13.2% are 65 or older.

Median age
38.5
Age breakdown
Under 15
19.8%
15 to 24
11.8%
25 to 44
29%
45 to 64
26.2%
Over 65
13.2%
Value Percent YoY change
Under 15 13,326 19.8% 3.0%
15 to 24 7,946 11.8% 1.0%
25 to 44 19,496 29% 3.5%
45 to 64 17,667 26.2% 2.7%
Over 65 8,889 13.2% 5.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Union County, 92.8% of the population are US-born citizens, while 4% have gained naturalized citizenship. At the same time, 3.2% of residents are non-citizens. As for race, 85.2% of locals are Caucasian, 2.3% are African American and 5% have Asian roots. There’s also a share of 6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92.8%
Non-U.S.-born citizens
4%
Non-citizens
3.2%
Value Percent YoY change
U.S.-born citizens 62,489 92.8% 2.5%
Non-U.S.-born citizens 2,682 4% 3.9%
Non-citizens 2,153 3.2% 25.2%
Racial breakdown
White
85.2%
Black or African American
2.3%
American Indian and Alaska Native
0.1%
Asian
5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6%
Other
1.4%
Value Percent
White 57,329 85.2%
Black or African American 1,550 2.3%
American Indian and Alaska Native 90 0.1%
Asian 3,375 5%
Two or more races 4,050 6%
Other 930 1.4%

Households in Union County

A peek inside Union County households

Union County has 24,232 households, with an average of 3 members in each. Of these, 74.6% are families, while the remaining 25.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
24,232
3.1% year-over-year change
Average people per household
3
Non-family households
6,162
Family households
18,070
Value Percent YoY change
Non-family households 6,162 25.4% 4.0%
Family households 18,070 74.6% 2.9%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Union County

The housing landscape of Union County

Union County's housing consists of 25,158 units, with 80.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 3.6% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 3.8% of the housing landscape.

Housing units
25,158
3.5% year-over-year change
Housing types
Value Percent
1 unit, detached 20,152 80.1%
1 unit, attached 911 3.6%
2 units 403 1.6%
3 or 4 units 880 3.5%
5 to 9 units 1,102 4.4%
10 to 19 units 289 1.2%
20 to 49 units 176 0.7%
50 or more units 247 1%
Mobile home 953 3.8%
Boat, RV, van, etc. 45 0.2%
Homes built since 2020
1,429
81.3% year-over-year change

The age of buildings in Union County

In Union County, the median construction year is 1996. About 14.8% of homes were built before the 1940s, with another 2.1% going up by 1949. Most development happened in the second half of the 20th century. Then, 19.4% of homes were added from 2000 to 2009, 18.6% between 2010 and 2019, and 5.7% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 3,735 14.8% -2.7%
Built between 1940 and 1949 528 2.1% -9.7%
Built between 1950 and 1959 1,066 4.2% 4.9%
Built between 1960 and 1969 904 3.6% -8.0%
Built between 1970 and 1979 2,715 10.8% 9.0%
Built between 1980 and 1989 1,396 5.6% 3.0%
Built between 1990 and 1999 3,833 15.2% 3.7%
Built between 2000 and 2009 4,879 19.4% -6.4%
Built between 2010 and 2019 4,673 18.6% 7.9%
Built in 2020 or later 1,429 5.7% 81.3%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Union County occupancy rates

Out of the 24,232 occupied housing units in Union County, 79.2% are owner-occupied, while 20.8% are lived in by tenants. Meanwhile, 3.7% of all homes on the local market sit vacant.

Occupied housing units
24,232
3.1% year-over-year change
Occupancy breakdown
Renter occupied
5,046
Owner occupied
19,186
Value Percent YoY
change
Renter occupied 5,046 20.8% 4.1%
Owner occupied 19,186 79.2% 2.9%
Unoccupied housing units
3.7%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Union County housing costs

Housing costs in Union County come to a median of $1,536 per month, while tenants specifically pay a median gross rent of $1,247.

Median housing costs per month
$1,536/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Union County
$1,247/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Union County

Union County education at a glance

About 34.7% of the population in Union County went to high school, while 19.7% pursued college studies. Another 7.9% earned an associate degree and 24.2% hold a bachelor’s. Meanwhile, 12.4% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 569 1.1% -2.1%
High school diploma 17,721 34.7% -0.6%
College diploma 10,075 19.7% 7.1%
Associate degree 4,032 7.9% 7.2%
Bachelor's degree 12,343 24.2% 5.5%
Graduate degree 6,336 12.4% 2.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Union County

How much people earn in Union County

The average annual household income in Union County was $137,663 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.1% change from the previous year. At the same time, the median income stood at $112,322, reflecting a +2.6% shift over the same period.

Average household income in Union County
$137,663/year
2.1% year-over-year change
Median household income in Union County
$112,322/year
2.6% year-over-year change

Union County income by age

In Union County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $124,459. Those with someone between 45 and 64 in charge, often well established professionally, earn $128,021 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $65,091, while those led by someone over 65, many of whom may be retired, have about $65,761 in earnings. Overall, 95.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $65,091 -4.7%
25 - 44 $124,459 1.9%
45 - 64 $128,021 6.1%
Over 65 $65,761 -0.6%
Above poverty level
60,737
Below poverty level
3,144
Value Percent YoY
change
Above poverty level 60,737 95.1% 3.5%
Below poverty level 3,144 4.9% 3.0%

Employment in Union County

Workforce and job types in Union County

The job market in Union County is powered by 35,290 working residents, spread across a range of industries and roles. 78.4% of the working population are employed in professional or administrative positions, while 21.6% are in hands-on or service-based jobs. Also, 7.9% run their own businesses, 69.6% are employed by private companies, and 15.1% work in the public sector.

Workforce demographics

Working population
35,290
3.0% year-over-year change
White collar
27,652
Blue collar
7,638
Value Percent YoY change
White collar 27,652 78.4% 3.6%
Blue collar 7,638 21.6% 1.0%
Employer type
Self employees
7.9%
Private companies
69.6%
Governmental workers
15.1%
Not for profit companies
7.4%
Value Percent YoY change
Self employees 2,797 7.9% -5.9%
Private companies 24,558 69.6% 3.1%
Governmental workers 5,316 15.1% 13.0%
Not for profit companies 2,619 7.4% -4.9%
Unemployment rate
2.6%
11.0% year-over-year change

Available workforce

The unemployment rate in Union County stands at 2.6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Union County

How people get around in Union County

Commuting methods vary: 75.9% of residents travel by personal vehicle and 0.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 26,050 75.9% 0.8%
Taxicab 40 0.1% -7.0%
Bus or trolleybus 158 0.5% 24.4%
Subway or elevated 81 0.2% N/A
Ferryboat 11 0% 10.0%
Motorcycle 105 0.3% 133.3%
Bicycle 22 0.1% -4.3%
Walk 156 0.4% -1.3%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Union County by zipcode?

Zipcode Population Number of households Median income Average income
43340 2,103 655 $72,446 $92,404
43344 6,173 2,338 $80,909 $93,342
43029 544 186 $107,744 $105,816
43036 359 131 $77,813 $69,262
43040 38,990 14,519 $99,321 $116,443
43045 1,739 591 $99,181 $104,541
43061 4,921 1,544 $157,568 $162,172
43064 18,143 6,313 $139,591 $165,556
43067 1,884 655 $95,903 $111,795
43077 269 64 $104,545 $125,163

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FAQs about Union County demographics 

What is the total population of Union County?

Union County has a total population of 67,324 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +3.1% compared to a year ago.

What is the gender ratio in Union County?

The gender ratio in Union County is as follows:
  • 48.5% males (32,677 residents)
  • 51.5% females (34,647 residents)

What is the median age in Union County?

The median age in Union County is 38.5.

What is the age distribution of the population in Union County?

The age distribution in Union County is as follows:
  • Under 15: 19.8% (13,326 residents)
  • Ages 15-24: 11.8% (7,946 residents)
  • Ages 25-44: 29% (19,496 residents)
  • Ages 45-64: 26.2% (17,667 residents)
  • Over 65: 13.2% (8,889 residents)

What is the racial and ethnic makeup of Union County?

The racial and ethnic makeup of Union County is as follows:
  • White: 85.2% (57,329 residents)
  • Black or African American: 2.3% (1,550 residents)
  • American Indian and Alaska Native: 0.1% (90 residents)
  • Asian: 5% (3,375 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 6% (4,050 residents)
  • Other: 1.4% (930 residents)

What percentage of the population in Union County are U.S.-born citizens?

U.S.-born citizens represent 92.8% of the population in Union County.

How many housing units are there in Union County?

There are 25,158 housing units in Union County, reflecting a +3.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Union County and what is the average household size?

Union County has a total of 24,232 households, with an average of 3 people in each.

What is the median household income in Union County?

Union County has a median household income of $112,322, representing a +2.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Union County?

The employment rate is 97.4% in Union County, with a workforce of 35,290 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 78.4% (27,652 residents)
  • Blue-collar workers: 21.6% (7,638 residents)

Places of employment:
  • Self-employed: 7.9% (2,797 residents)
  • Private companies: 69.6% (24,558 residents)
  • Governmental workers: 15.1% (5,316 residents)
  • Not-for-profit companies: 7.4% (2,619 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025