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Zip Code 73533 — Duncan, OK

73533 is a ZIP Code associated with Duncan, OK, located within Stephens. The postal region supports an estimated population of 27,618 residents across Data Pending housing units, with a population density of 32.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (34.494840, -97.847740)

Data MetricLocal Statistic
Postal / Zip Code73533
Primary CityDuncan
State / ProvinceOK
CountyStephens
Total Population27,618
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density32.4 people/sq mi
TimezoneAmerica/Chicago

How 73533 Compares

MetricZIP 73533Stephens CountyOK State Average
Population27,61844,4214,028,588
Median IncomeData PendingN/AN/A
Population Density32.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 73055Marlow11.0 mi10,064N/A
Zip 73491Velma11.0 mi791N/A
Zip 73529Comanche12.0 mi4,898N/A
Zip 73442Loco14.9 mi275N/A
Zip 73425Countyline16.4 mi201N/A

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 →