73556 ZIP Code — Martha, OK

Jackson County, Oklahoma

ZIP code 73556 is located in Martha, Oklahoma, within Jackson County. It covers approximately 0.25 square miles and serves a population of 127 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 580.

127
population
0.25
sq mi land
Standard
ZIP type
Central (CT)
timezone
73556 ZIP code map
Cities in ZIP code 73556

Below are the cities the US Postal Service accepts for ZIP code 73556. Using any city not on this list may result in mail delivery delays.

City Status
Martha Acceptable
Demographics updated 05/2026
Population
Total population 127
Population density 508 / sq mi
State FIPS 40
County FIPS 065
Geography
Land area 0.25 sq mi
Water area 0.00 sq mi
Latitude 34.7544
Longitude -99.3966
Timezone Central (CT)
Area code 580
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 55.8% 47.7% 46.5%
$50k – $100k 36.5% 33.0% 31.0%
$100k – $200k 7.7% 16.3% 18.1%
Over $200k 0.0% 2.9% 4.5%

Demographics & statistics

127
Population
508
People per sq mi
29.8
Median age
$0
Median household income
$19,299
Per capita income
$104,200
Median home value
$644
Median monthly rent
60.0%
Home ownership
46.5%
Poverty rate
15.4%
Unemployment
52
Housing units
8.5%
Bachelor's or higher

Age distribution

Male Female
2
Under 5
2
10
5–9
9
7
10–14
6
8
15–19
7
3
20–24
2
9
25–34
8
7
35–44
6
6
45–54
5
8
55–59
8
3
60–64
3
2
65–74
2
2
75–84
1
1
85+
0
← Male
Female →

Age summary

GroupCount%
Under 184233.1%
18 and over8566.9%
65 and over86.3%
Median age29.8 years

Race & ethnicity

White 48.1%
Two or more races 26.5%
Hispanic or Latino 21.6%
American Indian / Alaska Native 3.7%
GroupCount%
White7848.1%
Two or more races4326.5%
Hispanic or Latino3521.6%
American Indian / Alaska Native63.7%

Household income

Income range This ZIP County avg State avg
Under $50k 55.8% 47.7% 46.5%
$50k – $100k 36.5% 33.0% 31.0%
$100k – $200k 7.7% 16.3% 18.1%
Over $200k 0.0% 2.9% 4.5%
Under $10k 20.0%
$10k–$15k 7.5%
$15k–$25k 12.5%
$25k–$35k 5.0%
$50k–$75k 30.0%
$75k–$100k 12.5%
$100k–$150k 2.5%
$150k–$200k 5.0%
$200k+ 5.0%
Range% of households
Under $10k20.0%
$10k–$15k7.5%
$15k–$25k12.5%
$25k–$35k5.0%
$50k–$75k30.0%
$75k–$100k12.5%
$100k–$150k2.5%
$150k–$200k5.0%
$200k+5.0%
Median income$0

Housing

Home values

Under $50k 12.5%
$50k–$100k 33.3%
$100k–$150k 29.2%
$150k–$200k 4.2%
$200k–$300k 8.3%
$500k–$1M 12.5%

Housing overview

MetricValue
Median home value$104,200
Median rent / month$644
Owner occupied60.0%
Renter occupied40.0%
Vacant41.2%
Single-family detached85.3%
Large apartment buildings0.0%
Mobile homes14.7%
Median rooms5.7
Avg household size (owned)3.50

Year built

Era%
2020 or later0.0%
2010–20194.4%
2000–20095.9%
1990–199913.2%
1980–198913.2%
1970–197922.1%
1960–19698.8%
1950–195914.7%
1940–19495.9%
1939 or earlier11.8%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom7.4%
2 bedrooms27.9%
3 bedrooms60.3%
4 bedrooms4.4%
5+ bedrooms0.0%

Vehicles per household

Vehicles% of households
No vehicle7.5%
1 vehicle15.0%
2 vehicles55.0%
3 or more22.5%

Heating fuel

Fuel type%
Utility gas72.5%
Electricity20.0%

Households & families

Household typeCount%
Married-couple family1230.0%
Cohabiting couple717.5%
Male householder, no spouse820.0%
Female householder, no spouse1332.5%
Households with children under 181845.0%
Households with seniors (65+)820.0%
Average household size3.18

Marital status

StatusMaleFemale
Never married40.0%15.2%
Married31.1%52.2%
Separated0.0%4.3%
Widowed2.2%8.7%
Divorced26.7%19.6%

Education

Less than 9th grade 0.0%
Some HS, no diploma 21.1%
HS graduate 46.5%
Some college, no degree 19.7%
Associate's degree 4.2%
Bachelor's degree 5.6%
Graduate / professional 2.8%
Metric%
HS diploma or higher78.9%
Bachelor's or higher8.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten00.0%
Elementary school3262.7%
High school611.8%
College / grad school1325.5%

Employment

Industry of employment

Education & healthcare 30.9%
Public administration 25.5%
Retail trade 14.5%
Construction 9.1%
Agriculture & mining 5.5%
Transportation & utilities 5.5%
Finance & real estate 5.5%
Professional & management 3.6%

Occupation

Category%
Management, business & arts14.5%
Service32.7%
Sales & office12.7%
Natural resources & construction14.5%
Production & transportation25.5%

Employment type

Type%
Private sector70.9%
Government29.1%
Self-employed0.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone69.1%
Carpool27.3%
Public transit0.0%
Walk0.0%
Work from home3.6%
Other means0.0%
Avg commute (minutes)16.7

Poverty

All people 46.5%
Under 18 years 73.8%
18 and over 32.9%
Married-couple families 25.0%
Female-led households 42.9%

Income support

Source% of households
Social Security20.0%
Retirement income10.0%
Supplemental Security7.5%
Cash public assistance0.0%
Food stamps / SNAP32.5%

Health indicators

Condition%
Obesity38.5%
High blood pressure38.0%
High cholesterol36.5%
Diabetes13.9%
Heart disease7.5%
Stroke3.5%
Asthma10.2%
Arthritis26.9%
Kidney disease3.3%
Pulmonary disease8.4%
Cancer6.2%
Behavior / access%
Smoking21.5%
Binge drinking13.2%
No physical activity32.9%
Less than 7 hrs sleep34.4%
Depression23.5%
Fair or poor health19.7%
Poor mental health16.3%
Poor physical health13.2%
No health insurance20.9%
Visited doctor (checkup)74.3%
Visited dentist54.6%
Cholesterol screening87.6%
Teeth loss16.7%

Veterans & disability

VeteransCount%
Civilian veterans1214.1%
Disability%
Any disability16.5%
Under 189.5%
18–64 years16.9%
65 and over50.0%

Health insurance coverage

Type%
Private insurance48.0%
Public insurance47.2%
No insurance15.0%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only12396.9%
Spanish43.3%
Other Indo-European43.3%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)11691.3%
Born in same state11590.6%
Born in different state6148.0%
Foreign born10.8%
Naturalized citizen118.7%
Not a US citizen11100.0%

Ancestry

AncestryCount%
Italian2318.1%
Arab1713.4%
AncestryCount%
French32.4%

Technology access

Metric% of households
Computer access31.5%
Internet access97.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 73556

What city is ZIP code 73556 in?

ZIP code 73556 is primarily assigned to Martha, Oklahoma.

What county is ZIP code 73556 in?

ZIP code 73556 falls within Jackson County, Oklahoma.

What is the poverty rate in ZIP code 73556?

47% of residents in ZIP code 73556 live below the poverty line, above the national average.

Is ZIP code 73556 family-oriented?

33% of residents in ZIP code 73556 are under 18, reflecting a younger, family-oriented community.

How educated is the population of ZIP code 73556?

9% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 73556 have a large veteran population?

14% of civilians in ZIP code 73556 are veterans, above the national average of ~7%.

What timezone is ZIP code 73556 in?

ZIP code 73556 observes the CST timezone.

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