Zip Code 73556 — Martha, OK

ZIP Code 73556 is associated with Martha, OK, in Jackson County. The listed population estimate is 134; estimated density is 205.2 people per square mile. Among records with population estimates, it ranks #9 of 9 in Jackson County and #615 of 659 in OK.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (34.726170, -99.386730)

Data MetricLocal Statistic
Postal / Zip Code73556
Primary CityMartha
State / ProvinceOK
CountyJackson
Total Population134
Population Density205.2 people/sq mi
TimezoneAmerica/Chicago

How 73556 Compares

MetricZIP 73556Jackson County recordsOK records
Population estimate13424,738 (sum)4,028,588 (sum)
Population Density205.2 /sq mi----
County population rank#9 of 9----
State population rank#615 of 659----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in OK

ZIP CodeCityDistancePopulation estimate
ZIP 73521Altus7.5 mi20,155
ZIP 73523Altus Afb7.6 mi243
ZIP 73526Blair8.2 mi2,049
ZIP 73560Olustee13.2 mi654
ZIP 73532Duke13.7 mi451

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →