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Zip Code 73065 — Newcastle, OK

73065 is a ZIP Code associated with Newcastle, OK, located within McClain. 73065 ranks #1 out of 6 ZIP codes in McClain County by population (and #112 out of 664 in OK). The area supports an estimated population of 11,685 residents across Data Pending housing units, with a population density of 87.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (35.250080, -97.612090)

Data MetricLocal Statistic
Postal / Zip Code73065
Primary CityNewcastle
State / ProvinceOK
CountyMcClain
Total Population11,685
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density87.1 people/sq mi
TimezoneAmerica/Chicago

How 73065 Compares

MetricZIP 73065McClain CountyOK State Average
Population11,68528,760 (Total)4,028,588 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density87.1 /sq mi----
County Pop Rank#1 of 6----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 73173Oklahoma City6.3 mi4,780N/A
Zip 73170Oklahoma City6.4 mi41,458N/A
Zip 73072Norman6.6 mi50,881N/A
Zip 73069Norman8.4 mi28,462N/A
Zip 73169Oklahoma City9.3 mi3,095N/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 →