Home > AZ > Santa Cruz County > Tumacacori > Zip 85640

Zip Code 85640 — Tumacacori, AZ

85640 is a ZIP Code associated with Tumacacori, AZ, located within Santa Cruz. 85640 ranks #7 out of 7 ZIP codes in Santa Cruz County by population (and #384 out of 417 in AZ). The area supports an estimated population of 207 residents across Data Pending housing units, with a population density of 28.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (31.567550, -111.044730)

Data MetricLocal Statistic
Postal / Zip Code85640
Primary CityTumacacori
State / ProvinceAZ
CountySanta Cruz
Total Population207
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density28.0 people/sq mi
TimezoneAmerica/Phoenix

How 85640 Compares

MetricZIP 85640Santa Cruz CountyAZ State Average
Population20749,368 (Total)7,380,680 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density28.0 /sq mi----
County Pop Rank#7 of 7----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 85646Tubac3.7 mi1,345N/A
Zip 85648Rio Rico4.4 mi22,118N/A
Zip 85621Nogales10.0 mi21,593N/A
Zip 85645Amado10.6 mi1,249N/A
Zip 85622Green Valley16.5 mi6,518N/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 →