PlainZIP

Martha, OK · standard

ZIP Code 73556

Jackson County, Oklahoma - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

166
45/sq mi
$64,375
Median income
$107,100
Median home value
12.5%
Bachelor's or higher

The verdict

Martha pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

37th pct
household income, US ZIPs
12th pct
home value, US ZIPs
45
people per sq mi
69%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 73556 against every reporting US ZIP.

ZIP code 73556 is a sparsely populated ZIP (a standard USPS delivery area) in Martha, Jackson County, Oklahoma, home to just 166 residents across 3.7 square miles, a density of 45 people per square mile, in the Chicago time zone.

ZIP 73556 reports a modest median household income of $64,375 (3% above the Oklahoma average), while per-capita income is $26,315. The poverty rate stands at 29.9% and the unemployment rate at 6.8%. On housing, the median home value is $107,100 (31% below the state average) with median rent at $625 per month, and 69.4% of occupied units are owner-occupied.

Formal educational attainment runs low here: just 12.5% of adults hold a bachelor's degree or higher, the median age is 44.7, and the average commute is -. Beyond these figures, 2 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Jackson County, letting you compare 73556 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 73556, Martha, OK · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

166

Population

3.7

Area (sq mi)

45

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 73556?

44.7

Median Age

41.0%

Male

59.0%

Female

14.2%

Foreign-Born

White 59.0%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 5.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 30.6%
Hispanic or Latino 50.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$64,375

Median Household Income

+3% vs state

$26,315

Per Capita Income

29.9%

Poverty Rate

6.8%

Unemployment Rate

How ZIP 73556 ranks nationally

Martha, OK household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$64,375 37th percentile higher than 37% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 56.3%
Bachelor's Degree or Higher 12.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

75

Total Housing Units

49

Occupied Units

26

Vacant Units

2.73

Avg Household Size

Occupancy Type

Owner 69.4%
Renter 30.6%

$107,100

Median Home Value

-31% vs state

$625

Median Rent

1970

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Nearby ZIP Codes

Want a side-by-side? Compare 73556 vs 73521 →

ZIP 73556 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 73556 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 73556 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 73556 ranks #2 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
73521 Altus, OK 21,636 7.3 mi
73526 Blair, OK 2,133 7.9 mi

More ZIP Codes in Jackson County

73521 standard
Altus, OK
Pop: 21,636
73526 standard
Blair, OK
Pop: 2,133
73560 standard
Olustee, OK
Pop: 829
73537 standard
Eldorado, OK
Pop: 643
73532 standard
Duke, OK
Pop: 600
73549 standard
Headrick, OK
Pop: 296

Related Areas

Jackson County Martha, OK Oklahoma

Frequently Asked Questions

What county is ZIP code 73556 in? ▼
ZIP code 73556 (Martha) is located in Jackson County, Oklahoma. Jackson County contains multiple ZIP codes, see the full list at /counties/jackson-ok.
What is the population of ZIP code 73556? ▼
ZIP code 73556 in Martha, OK has a population of 166 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 73556? ▼
The median household income in ZIP 73556 is $64,375, which is 16% below the national average of $76,288.
What is the average home value in ZIP 73556? ▼
The median home value in ZIP 73556 is $107,100, which is 61% below the national average of $278,155.
What is the demographic makeup of ZIP 73556? ▼
The largest racial group in ZIP 73556 is White at 59.0%. Hispanic or Latino residents make up 50.7% of the population.
What is the education level in ZIP code 73556? ▼
In ZIP code 73556, 56.3% of residents aged 25+ have a high school diploma or higher, and 12.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 73556? ▼
In ZIP code 73556, approximately 69.4% of occupied housing units are owner-occupied and 30.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 73556? ▼
The poverty rate in ZIP code 73556 is 29.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.