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Ohio ZIP Codes
Hardin County
Roundhead, OH
43346
43346 ZIP Code — Roundhead, OH
Hardin County, Ohio
ZIP code 43346 is located in
Roundhead ,
Ohio ,
within Hardin County .
It covers approximately 1.07 square miles and serves a population of
201 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 326/419/567/937 .
About ZIP code 43346
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Owner-occupancy sits near the national average at 69%.
The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry.
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Cities in ZIP code 43346
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Demographics
updated 05/2026
Population
Total population
201
Population density
188 / sq mi
State FIPS
39
County FIPS
065
Geography
Land area
1.07 sq mi
Water area
0.00 sq mi
Latitude
40.5455
Longitude
-83.8470
Timezone
Eastern (ET)
Area code
326/419/567/937
Demographics & statistics
$0
Median household income
Age distribution
Age summary
Group Count % Under 18 117 58.2% 18 and over 84 41.8% 65 and over 0 0.0% Median age 7.7 years
Race & ethnicity
Household income
Range % of households $50k–$75k 100.0% Median income $0
Housing
Housing overview
Metric Value Median home value $0 Median rent / month $0 Owner occupied 69.4% Renter occupied 30.6% Vacant 0.0% Single-family detached 30.6% Large apartment buildings 0.0% Mobile homes 69.4% Median rooms 0.0 Avg household size (owned) 5.72
Year built
Era % 2020 or later 0.0% 2010–2019 0.0% 2000–2009 0.0% 1990–1999 0.0% 1980–1989 0.0% 1970–1979 69.4% 1960–1969 0.0% 1950–1959 0.0% 1940–1949 30.6% 1939 or earlier 0.0%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 0.0% 2 bedrooms 0.0% 3 bedrooms 69.4% 4 bedrooms 30.6% 5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 0.0% 2 vehicles 69.4% 3 or more 30.6%
Heating fuel
Fuel type % Utility gas 30.6% Wood 69.4%
Households & families
Household type Count % Married-couple family 25 69.4% Cohabiting couple 11 30.6% Male householder, no spouse 0 0.0% Female householder, no spouse 0 0.0% Households with children under 18 36 100.0% Households with seniors (65+) 0 0.0% Average household size 5.58
Marital status
Status Male Female Never married 0.0% 30.6% Married 70.8% 69.4% Separated 29.2% 0.0% Widowed 0.0% 0.0% Divorced 0.0% 0.0%
Education
Some college, no degree
83.3%
Graduate / professional
0.0%
Metric % HS diploma or higher 100.0% Bachelor's or higher 0.0%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 31 38.3% Elementary school 25 30.9% High school 0 0.0% College / grad school 25 30.9%
Employment
Industry of employment
Arts, food & hospitality
23.7%
Education & healthcare
18.6%
Occupation
Category % Management, business & arts 18.6% Service 23.7% Sales & office 0.0% Natural resources & construction 0.0% Production & transportation 57.6%
Employment type
Type % Private sector 100.0% Government 0.0% Self-employed 0.0% Unpaid family workers 0.0%
Commute
Method % Drive alone 100.0% Carpool 0.0% Public transit 0.0% Walk 0.0% Work from home 0.0% Other means 0.0% Avg commute (minutes) 0.0
Poverty
Married-couple families
0.0%
Female-led households
100.0%
Income support
Source % of households Social Security 0.0% Retirement income 30.6% Supplemental Security 0.0% Cash public assistance 0.0% Food stamps / SNAP 0.0%
Health indicators
Condition % Obesity 0.0% High blood pressure 0.0% High cholesterol 0.0% Diabetes 0.0% Heart disease 0.0% Stroke 0.0% Asthma 0.0% Arthritis 0.0% Kidney disease 0.0% Pulmonary disease 0.0% Cancer 0.0%
Behavior / access % Smoking 0.0% Binge drinking 0.0% No physical activity 0.0% Less than 7 hrs sleep 0.0% Depression 0.0% Fair or poor health 0.0% Poor mental health 0.0% Poor physical health 0.0% No health insurance 0.0% Visited doctor (checkup) 0.0% Visited dentist 0.0% Cholesterol screening 0.0% Teeth loss 0.0%
Veterans & disability
Veterans Count % Civilian veterans 0 0.0%
Disability % Any disability 0.0% Under 18 0.0% 18–64 years 0.0% 65 and over 0.0%
Health insurance coverage
Type % Private insurance 71.1% Public insurance 21.9% No insurance 7.0% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 140 69.7% 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) 201 100.0% Born in same state 201 100.0% Born in different state 201 100.0% Foreign born 0 0.0% Naturalized citizen 0 0.0% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % French 58 28.9%
Technology access
Metric % of households Computer access 17.9% Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 43346
What city is ZIP code 43346 in?
ZIP code 43346 is primarily assigned to Roundhead, Ohio.
What county is ZIP code 43346 in?
ZIP code 43346 falls within Hardin County, Ohio.
Is ZIP code 43346 family-oriented?
58% of residents in ZIP code 43346 are under 18, reflecting a younger, family-oriented community.
What is the poverty rate in ZIP code 43346?
22% of residents in ZIP code 43346 live below the poverty line, above the national average.
What is the population of ZIP code 43346?
ZIP code 43346 has an estimated population of 201 residents, with a density of 188 people per square mile.
What timezone is ZIP code 43346 in?
ZIP code 43346 observes the EST timezone.
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