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Ohio ZIP Codes
Darke County
Union City, OH
45390
45390 ZIP Code — Union City, OH
Darke County, Ohio
ZIP code 45390 is located in
Union City ,
Ohio ,
within Darke County .
It covers approximately 53.55 square miles and serves a population of
3,341 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 937 .
About ZIP code 45390
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $95,300. Owner-occupancy sits near the national average at 71%.
Median household income is $53,306. Poverty affects 25% of residents, above the national average. SNAP benefit usage at 22% of households reflects economic stress in the area. 32% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 21 minutes is near the national average.
College attainment at 12% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (28%) compared to national benchmarks.
Overall, ZIP code 45390 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.
45390 ZIP code map
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Cities in ZIP code 45390
Below are the cities the US Postal Service accepts for ZIP code 45390. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
3,341
Population density
62 / sq mi
State FIPS
39
County FIPS
037
Geography
Land area
53.55 sq mi
Water area
0.12 sq mi
Latitude
40.2116
Longitude
-84.7432
Timezone
Eastern (ET)
Area code
937
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
53.4%
46.7%
43.3%
$50k – $100k
32.1%
33.1%
31.4%
$100k – $200k
14.6%
17.7%
20.0%
Over $200k
0.0%
2.5%
5.2%
Demographics & statistics
$53,306
Median household income
11.7%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 789 23.6%
18 and over 2,552 76.4%
65 and over 497 14.9%
Median age 37.3 years
Race & ethnicity
Black or African American
1.3%
Group Count %
White 3,002 85.5%
Two or more races 211 6%
Hispanic or Latino 170 4.8%
Asian 80 2.3%
Black or African American 47 1.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
53.4%
46.7%
43.3%
$50k – $100k
32.1%
33.1%
31.4%
$100k – $200k
14.6%
17.7%
20.0%
Over $200k
0.0%
2.5%
5.2%
Range % of households
Under $10k 4.4%
$10k–$15k 15.0%
$15k–$25k 10.3%
$25k–$35k 7.2%
$35k–$50k 11.9%
$50k–$75k 14.0%
$75k–$100k 13.2%
$100k–$150k 15.8%
$150k–$200k 4.4%
$200k+ 3.7%
Median income $53,306
Housing
Housing overview
Metric Value
Median home value $95,300
Median rent / month $741
Owner occupied 71.4%
Renter occupied 28.6%
Vacant 10.9%
Single-family detached 78.5%
Large apartment buildings 0.1%
Mobile homes 10.7%
Median rooms 6.0
Avg household size (owned) 2.59
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 5.4%
1990–1999 5.4%
1980–1989 5.1%
1970–1979 28.8%
1960–1969 12.3%
1950–1959 12.6%
1940–1949 4.1%
1939 or earlier 26.3%
Bedrooms
Size % of units
No bedroom (studio) 1.4%
1 bedroom 4.0%
2 bedrooms 29.9%
3 bedrooms 38.1%
4 bedrooms 22.1%
5+ bedrooms 4.5%
Vehicles per household
Vehicles % of households
No vehicle 10.1%
1 vehicle 26.4%
2 vehicles 28.2%
3 or more 35.3%
Heating fuel
Fuel type %
Utility gas 44.5%
Electricity 30.2%
Propane / LP gas 11.0%
Fuel oil 7.1%
Wood 7.0%
No fuel used 0.2%
Households & families
Household type Count %
Married-couple family 599 47.5%
Cohabiting couple 103 8.2%
Male householder, no spouse 276 21.9%
Female householder, no spouse 284 22.5%
Households with children under 18 399 31.6%
Households with seniors (65+) 382 30.3%
Average household size 2.61
Marital status
Status Male Female
Never married 33.1% 24.4%
Married 46.3% 52.1%
Separated 2.4% 2.2%
Widowed 7.6% 10.1%
Divorced 10.6% 11.3%
Education
Some HS, no diploma
10.2%
Some college, no degree
17.2%
Graduate / professional
4.3%
Metric %
HS diploma or higher 84.6%
Bachelor's or higher 11.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 29 4.1%
Kindergarten 38 5.3%
Elementary school 417 58.6%
High school 143 20.1%
College / grad school 85 11.9%
Employment
Industry of employment
Education & healthcare
21.0%
Arts, food & hospitality
9.6%
Transportation & utilities
6.4%
Agriculture & mining
4.3%
Professional & management
2.8%
Finance & real estate
2.1%
Public administration
1.4%
Occupation
Category %
Management, business & arts 21.6%
Service 19.0%
Sales & office 15.6%
Natural resources & construction 6.1%
Production & transportation 37.6%
Employment type
Type %
Private sector 90.2%
Government 7.6%
Self-employed 2.2%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 71.3%
Carpool 16.3%
Public transit 0.5%
Walk 6.5%
Work from home 5.0%
Other means 0.5%
Avg commute (minutes) 20.8
Poverty
Married-couple families
10.5%
Female-led households
64.9%
Income support
Source % of households
Social Security 32.3%
Retirement income 23.6%
Supplemental Security 11.6%
Cash public assistance 1.7%
Food stamps / SNAP 21.6%
Health indicators
Condition %
Obesity 40.9%
High blood pressure 37.9%
High cholesterol 34.1%
Diabetes 13.7%
Heart disease 9.0%
Stroke 4.2%
Asthma 10.8%
Arthritis 31.3%
Kidney disease 3.6%
Pulmonary disease 11.9%
Cancer 7.1%
Behavior / access %
Smoking 27.9%
Binge drinking 16.4%
No physical activity 32.8%
Less than 7 hrs sleep 38.2%
Depression 25.5%
Fair or poor health 20.6%
Poor mental health 17.8%
Poor physical health 13.9%
No health insurance 14.8%
Visited doctor (checkup) 77.7%
Visited dentist 53.7%
Cholesterol screening 87.1%
Teeth loss 21.3%
Veterans & disability
Veterans Count %
Civilian veterans 163 6.4%
Disability %
Any disability 15.3%
Under 18 7.5%
18–64 years 16.6%
65 and over 23.0%
Health insurance coverage
Type %
Private insurance 63.7%
Public insurance 44.8%
No insurance 4.9%
Uninsured under 19 4.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 3,211 96.1%
Spanish 90 2.8%
Other Indo-European 10 0.3%
Asian & Pacific Islander 0 0.0%
Other languages 80 2.5%
Place of birth & citizenship
Origin Count %
Native born (US) 3,293 98.6%
Born in same state 3,293 98.6%
Born in different state 1,837 55.0%
Foreign born 0 0.0%
Naturalized citizen 48 1.4%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Arab 329 9.8%
Italian 268 8%
French 231 6.9%
Ancestry Count %
German 13 0.4%
English 12 0.4%
Polish 4 0.1%
Technology access
Metric % of households
Computer access 37.8%
Internet access 88.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 45390
What city is ZIP code 45390 in?
ZIP code 45390 is primarily assigned to Union City, Ohio.
What county is ZIP code 45390 in?
ZIP code 45390 falls within Darke County, Ohio.
What is the poverty rate in ZIP code 45390?
25% of residents in ZIP code 45390 live below the poverty line, above the national average.
How educated is the population of ZIP code 45390?
12% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the typical home value in ZIP code 45390?
The median home value in ZIP code 45390 is $95,300.
What is the population of ZIP code 45390?
ZIP code 45390 has an estimated population of 3,341 residents, with a density of 62 people per square mile.
What timezone is ZIP code 45390 in?
ZIP code 45390 observes the EST timezone.
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