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Ohio ZIP Codes
Defiance County
Mark Center, OH
43536
43536 ZIP Code — Mark Center, OH
Defiance County, Ohio
ZIP code 43536 is located in
Mark Center ,
Ohio ,
within Defiance County .
It covers approximately 16.83 square miles and serves a population of
216 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 419/567 .
About ZIP code 43536
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 $123,400.
Median household income is $72,083. The poverty rate of 4% is below the national average.
The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 23 minutes is near the national average.
College attainment at 13% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (21%) compared to national benchmarks.
Overall, ZIP code 43536 reflects a community defined by a trades-oriented workforce and high homeownership.
43536 ZIP code map
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Cities in ZIP code 43536
Below are the cities the US Postal Service accepts for ZIP code 43536. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
216
Population density
13 / sq mi
State FIPS
39
County FIPS
039
Geography
Land area
16.83 sq mi
Water area
0.00 sq mi
Latitude
41.3108
Longitude
-84.6504
Timezone
Eastern (ET)
Area code
419/567
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
0.0%
39.7%
43.3%
$50k – $100k
77.8%
37.0%
31.4%
$100k – $200k
22.2%
19.9%
20.0%
Over $200k
0.0%
3.3%
5.2%
Demographics & statistics
$72,083
Median household income
$123,400
Median home value
13.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 46 21.3%
18 and over 170 78.7%
65 and over 34 15.7%
Median age 23.7 years
Race & ethnicity
Household income
Income range
This ZIP
County avg
State avg
Under $50k
0.0%
39.7%
43.3%
$50k – $100k
77.8%
37.0%
31.4%
$100k – $200k
22.2%
19.9%
20.0%
Over $200k
0.0%
3.3%
5.2%
Range % of households
$10k–$15k 6.8%
$25k–$35k 8.5%
$35k–$50k 5.1%
$50k–$75k 30.5%
$100k–$150k 49.2%
Median income $72,083
Housing
Housing overview
Metric Value
Median home value $123,400
Median rent / month $0
Owner occupied 100.0%
Renter occupied 0.0%
Vacant 0.0%
Single-family detached 100.0%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 6.1
Avg household size (owned) 1.83
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 0.0%
1990–1999 26.3%
1980–1989 0.0%
1970–1979 5.1%
1960–1969 5.1%
1950–1959 0.0%
1940–1949 0.0%
1939 or earlier 63.6%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 33.9%
3 bedrooms 66.1%
4 bedrooms 0.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 15.3%
2 vehicles 36.4%
3 or more 48.3%
Heating fuel
Fuel type %
Electricity 11.0%
Propane / LP gas 74.6%
Wood 14.4%
Households & families
Household type Count %
Married-couple family 22 18.6%
Cohabiting couple 0 0.0%
Male householder, no spouse 61 51.7%
Female householder, no spouse 35 29.7%
Households with children under 18 20 16.9%
Households with seniors (65+) 33 28.0%
Average household size 1.83
Marital status
Status Male Female
Never married 55.4% 0.0%
Married 20.5% 53.4%
Separated 0.0% 0.0%
Widowed 11.6% 0.0%
Divorced 12.5% 46.6%
Education
Some college, no degree
10.1%
Graduate / professional
13.1%
Metric %
HS diploma or higher 100.0%
Bachelor's or higher 13.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 15 31.9%
Elementary school 22 46.8%
High school 0 0.0%
College / grad school 10 21.3%
Employment
Industry of employment
Education & healthcare
25.0%
Arts, food & hospitality
20.0%
Public administration
7.1%
Occupation
Category %
Management, business & arts 12.1%
Service 20.0%
Sales & office 9.3%
Natural resources & construction 0.0%
Production & transportation 58.6%
Employment type
Type %
Private sector 85.7%
Government 7.1%
Self-employed 7.1%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 92.9%
Carpool 0.0%
Public transit 0.0%
Walk 0.0%
Work from home 7.1%
Other means 0.0%
Avg commute (minutes) 23.0
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 22.9%
Retirement income 21.2%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 34.0%
High blood pressure 31.6%
High cholesterol 29.7%
Diabetes 9.6%
Heart disease 6.0%
Stroke 2.6%
Asthma 9.7%
Arthritis 24.9%
Kidney disease 2.4%
Pulmonary disease 7.3%
Cancer 6.1%
Behavior / access %
Smoking 21.1%
Binge drinking 19.0%
No physical activity 26.0%
Less than 7 hrs sleep 35.0%
Depression 23.3%
Fair or poor health 12.7%
Poor mental health 16.1%
Poor physical health 9.3%
No health insurance 12.1%
Visited doctor (checkup) 74.9%
Visited dentist 66.8%
Cholesterol screening 87.6%
Teeth loss 13.8%
Veterans & disability
Veterans Count %
Civilian veterans 10 5.9%
Disability %
Any disability 6.9%
Under 18 19.6%
18–64 years 0.0%
65 and over 17.6%
Health insurance coverage
Type %
Private insurance 91.7%
Public insurance 33.3%
No insurance 0.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 216 100.0%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 216 100.0%
Born in same state 216 100.0%
Born in different state 178 82.4%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Italian 6 2.8%
French 6 2.8%
Technology access
Metric % of households
Computer access 54.6%
Internet access 94.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 43536
What city is ZIP code 43536 in?
ZIP code 43536 is primarily assigned to Mark Center, Ohio.
What county is ZIP code 43536 in?
ZIP code 43536 falls within Defiance County, Ohio.
How educated is the population of ZIP code 43536?
13% 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 43536?
The median home value in ZIP code 43536 is $123,400.
What is the population of ZIP code 43536?
ZIP code 43536 has an estimated population of 216 residents, with a density of 13 people per square mile.
What is the median household income in ZIP code 43536?
The median household income in ZIP code 43536 is $72,083, below the national median of ~$75,000.
What timezone is ZIP code 43536 in?
ZIP code 43536 observes the EST timezone.
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