Defiance ZIP Code List — Defiance County, OH

There is one unique ZIP code in Defiance, Ohio and it is 43512. Area code: 419.

ZIP codes

217.68

sq mi land

3.01

sq mi water

419

area code

Defiance, OH ZIP code map

About Defiance, OH

Defiance, Ohio, is a city located in Defiance County, known for its rich history and vibrant community. With a charming blend of small-town appeal and historical significance, the city offers residents and visitors a unique glimpse into the Heartland of America. It serves as a hub for various cultural and recreational activities, making it an attractive location for families and businesses alike.

Location & geography

Defiance is situated in the northwestern part of Ohio, on the banks of the Auglaize and Maumee Rivers. It is conveniently located near several cities, including Bryan, which is approximately 21 miles to the southeast, Napoleon about 22 miles to the east, and Fort Wayne, Indiana, roughly 30 miles to the west. The city covers a total land area of 217.68 square miles, complemented by 3.01 square miles of water, providing a diverse landscape that features rivers and recreational opportunities.

Community & economy

Defiance boasts a friendly and welcoming community characterized by its strong sense of heritage and pride. The local economy includes various industries such as manufacturing, agriculture, and retail, which contribute significantly to the region's employment opportunities. Daily life in Defiance includes local events, family-friendly festivals, and outdoor activities, reflecting the city's commitment to fostering community engagement.

Transportation

Defiance is easily accessible via major highways, including U.S. Route 24 and State Route 66, providing connectivity to surrounding areas. The nearest named airport is Fort Wayne International Airport, located approximately 30 miles away, offering further travel options. Public transit options are limited, but local services do provide essential transportation within the city.

History

Defiance was founded in the early 19th century and has historical significance as a fort during the War of 1812. Key industries in the area have evolved over the years, with agriculture and manufacturing playing crucial roles in the city's development. Notable events include the annual Defiance County Fair, which showcases local agriculture and community spirit.

Did you know?

A little-known fact about Defiance is that it is named for the fort established there, which was intended to defy Native American attacks during its early settlement. Additionally, the city is sometimes referred to as the 'Canoe Capital of Ohio' due to its proximity to several waterways suitable for canoeing and kayaking.

ZIP codes for Defiance, OH (1)

ZIP code	City	County	Map
43512	Defiance	Defiance	View map

Demographics & statistics

28,435

Population

43.1

Median age

$69,889

Median household income

$35,141

Per capita income

$148,700

Median home value

$830

Median monthly rent

76.2%

Home ownership

11.2%

Poverty rate

4.5%

Unemployment

9,948

Housing units

18.6%

Bachelor's or higher

Age distribution

Male Female

751

Under 5

739

828

5–9

816

852

10–14

840

938

15–19

924

811

20–24

800

1,660

25–34

1,636

1,723

35–44

1,697

1,736

45–54

1,710

929

55–59

916

1,138

60–64

1,122

1,790

65–74

1,763

974

75–84

959

193

85+

190

← Male

Female →

Age summary

Group	Count	%
Under 18	5,987	21.1%
18 and over	22,448	78.9%
65 and over	5,869	20.6%
Median age	43.1 years

Race & ethnicity

White 81.4%

Hispanic or Latino 6.9%

Two or more races 5.6%

Other race 3.3%

Black or African American 2.1%

Asian 0.4%

American Indian / Alaska Native 0.2%

Group	Count	%
White	24,868	81.4%
Hispanic or Latino	2,107	6.9%
Two or more races	1,725	5.6%
Other race	1,009	3.3%
Black or African American	643	2.1%
Asian	124	0.4%
American Indian / Alaska Native	60	0.2%

Household income

Under $10k 2.7%

$10k–$15k 4.1%

$15k–$25k 7.1%

$25k–$35k 10.4%

$35k–$50k 11.3%

$50k–$75k 19.1%

$75k–$100k 15.8%

$100k–$150k 18.4%

$150k–$200k 7.4%

$200k+ 3.8%

Range	% of households
Under $10k	2.7%
$10k–$15k	4.1%
$15k–$25k	7.1%
$25k–$35k	10.4%
$35k–$50k	11.3%
$50k–$75k	19.1%
$75k–$100k	15.8%
$100k–$150k	18.4%
$150k–$200k	7.4%
$200k+	3.8%
Median income	$69,889

Housing

Home values

Under $50k 6.8%

$50k–$100k 18.2%

$100k–$150k 25.6%

$150k–$200k 17.9%

$200k–$300k 21.0%

$300k–$500k 8.6%

$500k–$1M 1.9%

$1M+ 0.1%

Housing overview

Metric	Value
Median home value	$148,700
Median rent / month	$830
Owner occupied	76.2%
Renter occupied	23.8%
Vacant	8.7%
Single-family detached	77.8%
Large apartment buildings	2.1%
Mobile homes	4.7%
Median rooms	6.3
Avg household size (owned)	2.44

Year built

Era	%
2020 or later	0.0%
2010–2019	1.9%
2000–2009	7.5%
1990–1999	9.4%
1980–1989	8.6%
1970–1979	22.2%
1960–1969	9.6%
1950–1959	13.7%
1940–1949	4.2%
1939 or earlier	22.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	4.3%
2 bedrooms	21.7%
3 bedrooms	56.0%
4 bedrooms	14.7%
5+ bedrooms	2.3%

Vehicles per household

Vehicles	% of households
No vehicle	5.1%
1 vehicle	26.7%
2 vehicles	44.6%
3 or more	23.5%

Heating fuel

Fuel type	%
Utility gas	53.1%
Electricity	27.0%
Propane / LP gas	15.8%
Fuel oil	0.7%
Wood	2.7%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	6,110	52.7%
Cohabiting couple	1,034	8.9%
Male householder, no spouse	2,223	19.2%
Female householder, no spouse	2,237	19.3%
Households with children under 18	3,208	27.6%
Households with seniors (65+)	3,950	34.0%
Average household size	2.40

Marital status

Status	Male	Female
Never married	32.4%	23.8%
Married	53.1%	55.0%
Separated	2.4%	1.7%
Widowed	2.9%	6.5%
Divorced	9.2%	13.1%

Education

Less than 9th grade 2.0%

Some HS, no diploma 6.4%

HS graduate 40.4%

Some college, no degree 22.7%

Associate's degree 9.9%

Bachelor's degree 11.8%

Graduate / professional 6.7%

Metric	%
HS diploma or higher	91.5%
Bachelor's or higher	18.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	468	7.4%
Kindergarten	249	3.9%
Elementary school	2,762	43.7%
High school	1,562	24.7%
College / grad school	1,276	20.2%

Employment

Industry of employment

Manufacturing 25.0%

Education & healthcare 18.5%

Retail trade 11.5%

Arts, food & hospitality 7.3%

Professional & management 7.1%

Construction 6.6%

Finance & real estate 6.1%

Other services 5.4%

Transportation & utilities 5.3%

Public administration 3.7%

Wholesale trade 1.6%

Agriculture & mining 1.2%

Information 0.7%

Occupation

Category	%
Management, business & arts	31.3%
Service	13.0%
Sales & office	19.5%
Natural resources & construction	10.4%
Production & transportation	25.8%

Employment type

Type	%
Private sector	83.7%
Government	11.2%
Self-employed	5.0%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	86.8%
Carpool	6.8%
Public transit	0.0%
Walk	2.0%
Other means	0.9%
Avg commute (minutes)	21.3

Poverty

All people 11.2%

Under 18 years 15.8%

18 and over 10.0%

Married-couple families 3.1%

Female-led households 22.0%

Income support

Source	% of households
Social Security	37.7%
Retirement income	33.6%
Supplemental Security	6.2%
Cash public assistance	1.6%
Food stamps / SNAP	11.3%

Health indicators

Condition	%
High blood pressure	35.8%
High cholesterol	32.3%
Heart disease	7.3%
Stroke	3.4%
Asthma	10.1%
Arthritis	29.0%
Kidney disease	3.1%
Pulmonary disease	9.0%
Cancer	7.0%

Behavior / access	%
Binge drinking	16.5%
No physical activity	29.7%
Less than 7 hrs sleep	35.4%
Fair or poor health	15.9%
Poor mental health	16.3%
Poor physical health	11.0%
No health insurance	13.1%
Visited doctor (checkup)	76.9%
Visited dentist	63.5%
Cholesterol screening	88.1%
Teeth loss	15.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,456	6.5%

Disability	%
Any disability	15.2%
Under 18	5.0%
18–64 years	13.6%
65 and over	30.9%

Health insurance coverage

Type	%
Private insurance	74.6%
Public insurance	36.4%
Uninsured under 19	3.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	26,945	94.8%
Spanish	465	1.7%
Other Indo-European	415	1.5%
Asian & Pacific Islander	41	0.2%
Other languages	9	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	27,984	98.4%
Born in same state	27,848	97.9%
Born in different state	22,511	79.2%
Foreign born	136	0.5%
Naturalized citizen	451	1.6%
Not a US citizen	310	68.7%

Ancestry

Ancestry	Count	%
Italian	3,162	11.1%
French	2,501	8.8%
Arab	1,729	6.1%
English	279	1%

Ancestry	Count	%
Irish	232	0.8%
Polish	93	0.3%
Dutch	33	0.1%
German	10	0%

Technology access

Metric	% of households
Computer access	40.8%
Internet access	92.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Defiance, OH?

Defiance, OH has one ZIP code: 43512.

What is the main ZIP code for Defiance, OH?

The primary ZIP code for Defiance, OH is 43512. The city uses area code 419 for phone service.

What county is Defiance, OH in?

Defiance is located in Defiance County, Ohio.

How many ZIP codes are in Defiance, OH?

Defiance, OH has 1 ZIP code.

What ZIP code should I use when mailing something to the Defiance Public Library in downtown Defiance?

The Defiance Public Library, located in downtown Defiance, uses ZIP code 43512 for all mail and correspondence.

What is the ZIP code for businesses located in the Defiance County courthouse district?

The Defiance County courthouse and surrounding downtown government buildings are all located in ZIP code 43512, which serves the entire city of Defiance.