ZIP code 85640
Where is ZIP code 85640?
Tumacacori, Arizona
Santa Cruz County · Standard ZIP code
ZIP code 85640 belongs to Tumacacori, Arizona in Santa Cruz County. 85640 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Mountain Time (no daylight saving) zone and uses area code 520. About 207 people live in the 85640 area, where the median household income is $55,417. The closest ZIP codes are 85646 (Tubac, 3 mi north), 85648 (Rio Rico, 4.4 mi south) and 85645 (Amado, 7.6 mi north).
| ZIP code | 85640 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Tumacacori |
| State | Arizona (AZ) |
| County | Santa Cruz County |
| Time zone | Mountain Time (no daylight saving) · now |
| Area code | 520 |
| Coordinates | 31.5696, -111.0534 map |
| 3-digit prefix | 856 |
Population and income in 85640
| Population | 207 · lower than 94% of Arizona ZIP codes |
|---|---|
| People per square mile | 72 · lower than 52% of Arizona ZIP codes |
| Median age | 40.6 years · lower than 51% of Arizona ZIP codes |
| Men / women | 41% / 59% |
| Median household income | $55,417 · lower than 71% of Arizona ZIP codes |
| Income per person | $19,640 |
| Below the poverty line | 18% |
| Bachelor’s degree or higher | 0.0% of adults 25+ |
| Housing units | 165 |
| Households | 85 (2.44 people on average) |
| Owners / renters | 0.0% / 100% |
| Land area | 2.86 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 85640. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 85640
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 85646 | Tubac, AZ | 3 mi N | PO Box only |
| 85648 | Rio Rico, AZ | 4.4 mi S | Standard |
| 85645 | Amado, AZ | 7.6 mi N | Standard |
| 85628 | Nogales, AZ | 8.9 mi E | PO Box only |
| 85621 | Nogales, AZ | 14.8 mi SE | Standard |
| 85601 | Arivaca, AZ | 15.5 mi W | PO Box only |
| 85622 | Green Valley, AZ | 17.8 mi N | Standard |
| 85614 | Green Valley, AZ | 19.9 mi N | Standard |
| 85624 | Patagonia, AZ | 21.1 mi E | Standard |
| 85629 | Sahuarita, AZ | 26.1 mi N | Standard |
| 85637 | Sonoita, AZ | 26.6 mi E | Standard |
| 85633 | Sasabe, AZ | 29.3 mi W | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 85640 or measure the distance to another ZIP code.
How to address mail to 85640
123 MAIN ST
TUMACACORI AZ 85640
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Agua Linda, Carmen and Kinsley Ranch: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (85640-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 85640?
- 85640 is a Tumacacori, Arizona ZIP code.
- What county is 85640 in?
- ZIP code 85640 is in Santa Cruz County, Arizona.
- What time zone is ZIP code 85640 in?
- 85640 is in the Mountain Time (no daylight saving) zone (America/Phoenix).
- What area code is 85640?
- Phone numbers in ZIP code 85640 use area code 520.
- What is the population of ZIP code 85640?
- About 207 people live in ZIP code 85640, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 85640?
- The median household income in 85640 is $55,417 a year, lower than 71% of Arizona ZIP codes.
- What ZIP codes are near 85640?
- The nearest ZIP codes to 85640 are 85646 (Tubac, 3 miles), 85648 (Rio Rico, 4.4 miles), 85645 (Amado, 7.6 miles) and 85628 (Nogales, 8.9 miles).