43512 ZIP Code — Defiance, OH

Defiance County, Ohio

ZIP code 43512 is located in Defiance, Ohio, within Defiance County. It covers approximately 217.68 square miles and serves a population of 28,435 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 419.

About ZIP code 43512

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $148,700. Owner-occupancy is high at 76%, well above the national average.

Median household income is $69,889. 38% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 21 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (22%) compared to national benchmarks.

Overall, ZIP code 43512 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

28,435

population

217.68

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

43512 ZIP code map

Cities in ZIP code 43512

Below are the cities the US Postal Service accepts for ZIP code 43512. Using any city not on this list may result in mail delivery delays.

City	Status
Defiance	Preferred

Nearby ZIP codes

43549 Ney (9.8 mi) 43556 Sherwood (10 mi) 43527 Holgate (11.4 mi) 45821 Cecil (11.7 mi) 45873 Oakwood (12.7 mi) 45873 Oakwood (12.7 mi) 43548 New Bavaria (12.9 mi) 43557 Stryker (13.1 mi) 43545 Napoleon (14.1 mi) 43536 Mark Center (14.8 mi) 45831 Continental (14.9 mi) 43506 Bryan (14.9 mi)

Demographics updated 06/2026

Population
Total population	28,435
Population density	131 / sq mi
State FIPS	39
County FIPS	039

Geography
Land area	217.68 sq mi
Water area	3.01 sq mi
Latitude	41.3038
Longitude	-84.3657
Timezone	Eastern (ET)
Area code	419

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	41.1%	39.7%	43.3%
$50k – $100k	35.2%	37.0%	31.4%
$100k – $200k	19.4%	19.9%	20.0%
Over $200k	4.2%	3.3%	5.2%

Demographics & statistics

28,435

Population

131

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	41.1%	39.7%	43.3%
$50k – $100k	35.2%	37.0%	31.4%
$100k – $200k	19.4%	19.9%	20.0%
Over $200k	4.2%	3.3%	5.2%

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%
Work from home	3.5%
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	%
Obesity	35.6%
High blood pressure	35.8%
High cholesterol	32.3%
Diabetes	12.0%
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	%
Smoking	21.8%
Binge drinking	16.5%
No physical activity	29.7%
Less than 7 hrs sleep	35.4%
Depression	23.3%
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%
No insurance	6.2%
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 about ZIP code 43512

What city is ZIP code 43512 in?

ZIP code 43512 is primarily assigned to Defiance, Ohio.

What county is ZIP code 43512 in?

ZIP code 43512 falls within Defiance County, Ohio.

Does ZIP code 43512 have a large retiree population?

38% of households in ZIP code 43512 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 43512?

The median home value in ZIP code 43512 is $148,700.

What is the population of ZIP code 43512?

ZIP code 43512 has an estimated population of 28,435 residents, with a density of 131 people per square mile.

What is the median household income in ZIP code 43512?

The median household income in ZIP code 43512 is $69,889, below the national median of ~$75,000.

What timezone is ZIP code 43512 in?

ZIP code 43512 observes the EST timezone.