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Oklahoma ZIP Codes
Marshall County
Lebanon, OK
73440
73440 ZIP Code — Lebanon, OK
Marshall County, Oklahoma
ZIP code 73440 is located in
Lebanon ,
Oklahoma ,
within Marshall County .
It covers approximately 7.81 square miles and serves a population of
212 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 580 .
About ZIP code 73440
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $166,700. Owner-occupancy is high at 95%, well above the national average.
Median household income is $56,111. Poverty affects 34% of residents, above the national average. 58% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is production, transportation, and material moving, with agriculture and mining as the leading industry. The average commute of 18 minutes is near the national average.
Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (23%) compared to national benchmarks.
Notable community characteristics include disability rates above the national average at 23%.
Overall, ZIP code 73440 reflects a community defined by economic challenges above the national average, high homeownership, and a significant Social Security-dependent population.
73440 ZIP code map
View map of 73440
Cities in ZIP code 73440
Below are the cities the US Postal Service accepts for ZIP code 73440. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
212
Population density
27 / sq mi
State FIPS
40
County FIPS
095
Geography
Land area
7.81 sq mi
Water area
5.43 sq mi
Latitude
33.9535
Longitude
-96.8743
Timezone
Central (CT)
Area code
580
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
63.2%
51.8%
46.5%
$50k – $100k
18.0%
31.8%
31.0%
$100k – $200k
18.8%
14.5%
18.1%
Over $200k
0.0%
1.8%
4.5%
Demographics & statistics
$56,111
Median household income
$166,700
Median home value
24.5%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 48 22.6%
18 and over 164 77.4%
65 and over 80 37.7%
Median age 48.5 years
Race & ethnicity
American Indian / Alaska Native
6.9%
Group Count %
White 98 35.5%
Two or more races 74 26.8%
Hispanic or Latino 64 23.2%
Other race 21 7.6%
American Indian / Alaska Native 19 6.9%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
63.2%
51.8%
46.5%
$50k – $100k
18.0%
31.8%
31.0%
$100k – $200k
18.8%
14.5%
18.1%
Over $200k
0.0%
1.8%
4.5%
Range % of households
$10k–$15k 13.5%
$15k–$25k 23.0%
$35k–$50k 8.1%
$50k–$75k 12.2%
$75k–$100k 12.2%
$100k–$150k 17.6%
$150k–$200k 13.5%
Median income $56,111
Housing
Housing overview
Metric Value
Median home value $166,700
Median rent / month $0
Owner occupied 94.6%
Renter occupied 5.4%
Vacant 38.3%
Single-family detached 83.3%
Large apartment buildings 0.0%
Mobile homes 16.7%
Median rooms 5.3
Avg household size (owned) 2.63
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 10.8%
1990–1999 8.3%
1980–1989 29.2%
1970–1979 28.3%
1960–1969 8.3%
1950–1959 8.3%
1940–1949 0.0%
1939 or earlier 6.7%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 18.3%
3 bedrooms 81.7%
4 bedrooms 0.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 27.0%
2 vehicles 58.1%
3 or more 14.9%
Heating fuel
Fuel type %
Electricity 100.0%
Households & families
Household type Count %
Married-couple family 26 35.1%
Cohabiting couple 4 5.4%
Male householder, no spouse 19 25.7%
Female householder, no spouse 25 33.8%
Households with children under 18 9 12.2%
Households with seniors (65+) 43 58.1%
Average household size 2.86
Marital status
Status Male Female
Never married 30.0% 10.7%
Married 53.8% 33.3%
Separated 11.3% 0.0%
Widowed 0.0% 11.9%
Divorced 5.0% 44.0%
Education
Some HS, no diploma
14.8%
Some college, no degree
26.5%
Graduate / professional
0.0%
Metric %
HS diploma or higher 85.2%
Bachelor's or higher 24.5%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 14 46.7%
Kindergarten 0 0.0%
Elementary school 16 53.3%
High school 0 0.0%
College / grad school 0 0.0%
Employment
Industry of employment
Agriculture & mining
43.4%
Education & healthcare
18.2%
Professional & management
9.1%
Occupation
Category %
Management, business & arts 37.4%
Service 9.1%
Sales & office 0.0%
Natural resources & construction 0.0%
Production & transportation 53.5%
Employment type
Type %
Private sector 79.8%
Government 11.1%
Self-employed 9.1%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 90.2%
Carpool 0.0%
Public transit 0.0%
Walk 0.0%
Work from home 9.8%
Other means 0.0%
Avg commute (minutes) 18.4
Poverty
Married-couple families
26.9%
Female-led households
0.0%
Income support
Source % of households
Social Security 58.1%
Retirement income 25.7%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 34.3%
High blood pressure 43.8%
High cholesterol 40.9%
Diabetes 14.4%
Heart disease 9.6%
Stroke 4.4%
Asthma 11.1%
Arthritis 32.2%
Kidney disease 3.8%
Pulmonary disease 10.9%
Cancer 8.3%
Behavior / access %
Smoking 22.5%
Binge drinking 12.0%
No physical activity 31.3%
Less than 7 hrs sleep 32.8%
Depression 25.1%
Fair or poor health 20.6%
Poor mental health 16.2%
Poor physical health 14.4%
No health insurance 18.3%
Visited doctor (checkup) 77.6%
Visited dentist 56.3%
Cholesterol screening 89.8%
Teeth loss 17.6%
Veterans & disability
Veterans Count %
Civilian veterans 0 0.0%
Disability %
Any disability 22.6%
Under 18 0.0%
18–64 years 0.0%
65 and over 60.0%
Health insurance coverage
Type %
Private insurance 46.7%
Public insurance 62.7%
No insurance 10.8%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 180 84.9%
Spanish 7 3.9%
Other Indo-European 7 3.9%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 195 92.0%
Born in same state 195 92.0%
Born in different state 159 75.0%
Foreign born 0 0.0%
Naturalized citizen 17 8.0%
Not a US citizen 10 58.8%
Ancestry
Ancestry Count %
Arab 10 4.7%
Ancestry Count %
Italian 9 4.2%
Technology access
Metric % of households
Computer access 34.9%
Internet access 94.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 73440
What city is ZIP code 73440 in?
ZIP code 73440 is primarily assigned to Lebanon, Oklahoma.
What county is ZIP code 73440 in?
ZIP code 73440 falls within Marshall County, Oklahoma.
Does ZIP code 73440 have an older population?
38% of residents in ZIP code 73440 are 65 or older, above the national average of ~17%.
What is the poverty rate in ZIP code 73440?
34% of residents in ZIP code 73440 live below the poverty line, above the national average.
Does ZIP code 73440 have a large retiree population?
58% of households in ZIP code 73440 receive Social Security income, suggesting a significant retiree or disability population.
Is ZIP code 73440 mostly owner-occupied?
95% of occupied units in ZIP code 73440 are owner-occupied, well above the national average.
What timezone is ZIP code 73440 in?
ZIP code 73440 observes the CST timezone.
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