ZIP Code Tabulation Area · Oklahoma

ZIP Code 73556: Martha, OK

ZIP Code 73556 (Martha, Jackson County, Oklahoma) has an estimated 134 residents in 49 households. The median household income is $64,375, the median home value is $107,100 and the median gross rent is $625/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Some estimates have a large margin of error. 5 figures for this ZIP (poverty rate, bachelor's or higher, gross rent, owner-occupied, commute) are marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

134

Margin of error ±48

Median household income

$64,375

Margin of error ±$22,686

Median home value

$107,100

Margin of error ±$32,102

Median gross rent

$625/mo*

Margin of error ±$334· estimate has a large margin of error

Median age

44.7 yrs

Margin of error ±10.2 yrs

Mean travel time to work

16.3 min*

Margin of error ±9.7 min· estimate has a large margin of error

How ZIP 73556 compares with Oklahoma and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 7355644.7 yrsOklahoma37.0 yrsUnited States38.9 yrs

Median household income

ZIP 73556$64,375Oklahoma$65,039United States$80,734

Per capita income

ZIP 73556$26,315Oklahoma$35,624United States$44,673

Poverty rate

ZIP 7355629.9%*Oklahoma15.3%United States12.5%

Unemployment rate

ZIP 735566.8%Oklahoma5.0%United States5.2%

Bachelor's degree or higher

ZIP 7355612.5%*Oklahoma28.3%United States35.7%

Median home value

ZIP 73556$107,100Oklahoma$199,800United States$332,700

Median gross rent

ZIP 73556$625/mo*Oklahoma$1,014/moUnited States$1,413/mo

Owner-occupied homes

ZIP 7355669.4%*Oklahoma65.8%United States65.2%

Mean travel time to work

ZIP 7355616.3 min*Oklahoma22.4 minUnited States26.4 min

Worked from home

ZIP 735568.7%Oklahoma9.4%United States15.1%

All figures for ZIP 73556

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 73556 — ACS 2020–2024 5-year estimates
Measure	ZIP 73556	Margin of error	Oklahoma	United States
Total population	134	±48	4,028,634	334,922,499
Median age	44.7 yrs	±10.2 yrs	37.0 yrs	38.9 yrs
Households	49	±15	1,562,389	129,227,496
Median household income	$64,375	±$22,686	$65,039	$80,734
Per capita income	$26,315	±$8,021	$35,624	$44,673
Poverty rate	29.9%*	±22.2 pts	15.3%	12.5%
Unemployment rate	6.8%	±6.3 pts	5.0%	5.2%
Bachelor's degree or higher	12.5%*	±16.8 pts	28.3%	35.7%
Median home value	$107,100	±$32,102	$199,800	$332,700
Median gross rent	$625/mo*	±$334	$1,014/mo	$1,413/mo
Owner-occupied homes	69.4%*	±19.1 pts	65.8%	65.2%
Mean travel time to work	16.3 min*	±9.7 min	22.4 min	26.4 min
Worked from home	8.7%	±6.4 pts	9.4%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 73556
Group	ZIP 73556	Oklahoma	United States
White alone, not Hispanic or Latino	39.6%	62.1%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	6.8%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	1.5%	6.6%	0.5%
Asian alone, not Hispanic or Latino	0.0%	2.4%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.2%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.3%	0.6%
Two or more races, not Hispanic or Latino	8.2%	8.9%	4.3%
Hispanic or Latino (of any race)	50.7%	12.7%	19.3%

Where ZIP 73556 is

State: Oklahoma
Main county: Jackson County
Largest overlapping place: Martha (100% of the ZIP's land area)
Land area: 0.25 sq mi· about 536 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Jackson County

73521 Jackson County, OK 73523 Altus, OK 73526 Jackson County, OK 73532 Jackson County, OK 73537 Jackson County, OK 73539 Jackson County, OK 73549 Jackson County, OK 73560 Jackson County, OK

See every ZIP code in Oklahoma, or compare ZIP 73556 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.