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Ohio ZIP Codes
Hardin County
Alger, OH
45812
45812 ZIP Code — Alger, OH
Hardin County, Ohio
ZIP code 45812 is located in
Alger ,
Ohio ,
within Hardin County .
It covers approximately 38.82 square miles and serves a population of
1,881 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 326/419/567/937 .
About ZIP code 45812
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 $122,600. Owner-occupancy sits near the national average at 75%.
The gap between median ($39,917) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 31% of residents, above the national average. SNAP benefit usage at 24% of households reflects economic stress in the area. 35% 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 26 minutes is near the national average.
College attainment at 10% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (27%) compared to national benchmarks.
Overall, ZIP code 45812 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.
45812 ZIP code map
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Cities in ZIP code 45812
Below are the cities the US Postal Service accepts for ZIP code 45812. Using any city not on this list may result in mail delivery delays.
City
Status
Alger
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,881
Population density
48 / sq mi
State FIPS
39
County FIPS
065
Geography
Land area
38.82 sq mi
Water area
0.01 sq mi
Latitude
40.6790
Longitude
-83.7957
Timezone
Eastern (ET)
Area code
326/419/567/937
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
64.4%
49.0%
43.3%
$50k – $100k
24.3%
31.7%
31.4%
$100k – $200k
9.6%
17.9%
20.0%
Over $200k
1.7%
1.4%
5.2%
Demographics & statistics
$39,917
Median household income
$122,600
Median home value
10.0%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 587 31.2%
18 and over 1,294 68.8%
65 and over 271 14.4%
Median age 30.5 years
Race & ethnicity
Black or African American
0.2%
American Indian / Alaska Native
0.1%
Group Count %
White 1,830 95.2%
Hispanic or Latino 41 2.1%
Two or more races 29 1.5%
Other race 17 0.9%
Black or African American 3 0.2%
American Indian / Alaska Native 2 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
64.4%
49.0%
43.3%
$50k – $100k
24.3%
31.7%
31.4%
$100k – $200k
9.6%
17.9%
20.0%
Over $200k
1.7%
1.4%
5.2%
Range % of households
Under $10k 10.0%
$10k–$15k 4.7%
$15k–$25k 11.6%
$25k–$35k 12.8%
$35k–$50k 23.7%
$50k–$75k 12.5%
$75k–$100k 7.2%
$100k–$150k 9.8%
$150k–$200k 3.6%
$200k+ 4.2%
Median income $39,917
Housing
Housing overview
Metric Value
Median home value $122,600
Median rent / month $575
Owner occupied 74.9%
Renter occupied 25.1%
Vacant 13.3%
Single-family detached 70.6%
Large apartment buildings 0.0%
Mobile homes 13.9%
Median rooms 5.9
Avg household size (owned) 2.92
Year built
Era %
2020 or later 0.0%
2010–2019 2.0%
2000–2009 11.7%
1990–1999 22.3%
1980–1989 6.0%
1970–1979 15.2%
1960–1969 5.7%
1950–1959 4.6%
1940–1949 4.9%
1939 or earlier 27.7%
Bedrooms
Size % of units
No bedroom (studio) 6.1%
1 bedroom 4.7%
2 bedrooms 23.0%
3 bedrooms 40.9%
4 bedrooms 20.1%
5+ bedrooms 5.1%
Vehicles per household
Vehicles % of households
No vehicle 12.8%
1 vehicle 20.2%
2 vehicles 42.2%
3 or more 24.8%
Heating fuel
Fuel type %
Utility gas 37.9%
Electricity 18.9%
Propane / LP gas 37.3%
Wood 1.6%
No fuel used 4.3%
Households & families
Household type Count %
Married-couple family 282 40.5%
Cohabiting couple 108 15.5%
Male householder, no spouse 121 17.4%
Female householder, no spouse 186 26.7%
Households with children under 18 254 36.4%
Households with seniors (65+) 236 33.9%
Average household size 2.70
Marital status
Status Male Female
Never married 34.1% 26.4%
Married 49.2% 45.1%
Separated 2.8% 0.5%
Widowed 3.3% 13.0%
Divorced 10.6% 15.0%
Education
Some college, no degree
9.1%
Graduate / professional
6.2%
Metric %
HS diploma or higher 86.1%
Bachelor's or higher 10.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 39 7.9%
Kindergarten 48 9.8%
Elementary school 296 60.2%
High school 47 9.6%
College / grad school 62 12.6%
Employment
Industry of employment
Education & healthcare
16.2%
Arts, food & hospitality
14.7%
Transportation & utilities
6.6%
Public administration
5.3%
Professional & management
3.4%
Finance & real estate
2.8%
Occupation
Category %
Management, business & arts 18.8%
Service 24.1%
Sales & office 12.2%
Natural resources & construction 13.5%
Production & transportation 31.3%
Employment type
Type %
Private sector 78.9%
Government 14.4%
Self-employed 6.7%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 89.7%
Carpool 4.4%
Public transit 0.0%
Walk 2.1%
Work from home 2.9%
Other means 0.9%
Avg commute (minutes) 25.7
Poverty
Married-couple families
9.2%
Female-led households
51.1%
Income support
Source % of households
Social Security 35.2%
Retirement income 24.8%
Supplemental Security 6.6%
Cash public assistance 0.0%
Food stamps / SNAP 23.7%
Health indicators
Condition %
Obesity 38.4%
High blood pressure 38.3%
High cholesterol 34.8%
Diabetes 12.5%
Heart disease 8.3%
Stroke 3.8%
Asthma 10.7%
Arthritis 30.4%
Kidney disease 3.3%
Pulmonary disease 10.8%
Cancer 7.1%
Behavior / access %
Smoking 26.5%
Binge drinking 16.6%
No physical activity 31.1%
Less than 7 hrs sleep 37.8%
Depression 25.0%
Fair or poor health 18.5%
Poor mental health 17.4%
Poor physical health 12.7%
No health insurance 13.7%
Visited doctor (checkup) 76.6%
Visited dentist 56.0%
Cholesterol screening 87.7%
Teeth loss 19.3%
Veterans & disability
Veterans Count %
Civilian veterans 67 5.2%
Disability %
Any disability 15.2%
Under 18 6.1%
18–64 years 14.7%
65 and over 36.9%
Health insurance coverage
Type %
Private insurance 64.6%
Public insurance 47.8%
No insurance 9.3%
Uninsured under 19 5.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,705 90.6%
Spanish 5 0.3%
Other Indo-European 2 0.1%
Asian & Pacific Islander 0 0.0%
Other languages 3 0.2%
Place of birth & citizenship
Origin Count %
Native born (US) 1,880 99.9%
Born in same state 1,872 99.5%
Born in different state 1,630 86.7%
Foreign born 8 0.4%
Naturalized citizen 1 0.1%
Not a US citizen 1 100.0%
Ancestry
Ancestry Count %
Arab 164 8.7%
French 163 8.7%
Ancestry Count %
Italian 93 4.9%
English 2 0.1%
Technology access
Metric % of households
Computer access 37.1%
Internet access 89.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 45812
What city is ZIP code 45812 in?
ZIP code 45812 is primarily assigned to Alger, Ohio.
What county is ZIP code 45812 in?
ZIP code 45812 falls within Hardin County, Ohio.
What is the poverty rate in ZIP code 45812?
31% of residents in ZIP code 45812 live below the poverty line, above the national average.
Is ZIP code 45812 family-oriented?
31% of residents in ZIP code 45812 are under 18, reflecting a younger, family-oriented community.
How educated is the population of ZIP code 45812?
10% 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 45812?
The median home value in ZIP code 45812 is $122,600.
What timezone is ZIP code 45812 in?
ZIP code 45812 observes the EST timezone.
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