ZIP Code 73556

ZIP code 73556 is classified by USPS as a standard delivery area and covers roughly 3.7 square miles in Martha, Jackson County, Oklahoma. The area is home to 166 residents, producing a population density of 45 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 73556 against Oklahoma and the nation.

On the economic side, the median household income for ZIP 73556 sits at $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, a direct signal of whether 73556 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 12.5% of adults hold a bachelor's degree or higher, the median age is 44.7, and the average commute is —. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Jackson County, so you can benchmark 73556 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →