ZIP code · Tumacacori · Arizona · United States
ZIP code 85640 — Tumacacori
ZIP code 85640 serves Tumacacori, Arizona.
- Postal code
- 85640Single source Value from one source, not cross-checked.
- City
- Tumacacori
- County
- Santa Cruz FIPS 04023
- State
- Arizona
- Country
- United States
- Coordinates
- 31.5696, -111.0534 — precision precise (locality)
View on OpenStreetMap - Population
- 162 (ZCTA, ACS 5-year)
- Population density
- 57 / sq mi
- Land area
- 2.9 sq mi (7.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $58,424
- Per-capita income
- $22,560
- Median age
- 74.2
- Households
- 73
- Housing units
- 157
- Congressional district
- AZ-7 (119th Congress)
- USDA hardiness zone
- 8b (15 to 20 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Phoenix (UTC−7, no DST)
- Area code
- 520 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 85640 with another ZIP · ZIPs within 25 miles · distance from 85640
Map of ZIP code 85640
Climate — monthly normals
Warmest month Jun (avg high 95°F), coldest Dec (avg low 32°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 63 | 66 | 72 | 78 | 86 | 95 | 93 | 91 | 89 | 81 | 71 | 63 |
| Avg low °F | 32 | 34 | 38 | 43 | 49 | 59 | 67 | 66 | 60 | 48 | 38 | 32 |
| Precip in | 1.1 | 1.1 | 0.8 | 0.3 | 0.2 | 0.5 | 3.8 | 3.4 | 1.8 | 1.1 | 0.9 | 1.0 |
NOAA 1991–2020 climate normals from the nearest station: TUMACACORI NM (0.2 mi) · NOAA NCEI
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page