Residential delivery area · Arizona
ZIP Code 85646: Tubac, AZ
ZIP code 85646 uses the postal name Tubac, Arizona and lies entirely in Santa Cruz County (Census 2020 ZIP-county file). About 1,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $73,438 (Census Bureau, ACS 2020-2024). By Census place, 16% of its land lies in Tubac (a census-designated place); 84% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2021
- ZBP2023
- Town
- Tubac · its only residential ZIP
- County
- Santa Cruz County
- Census places
- Tubac census-designated place
- Micro area
- Nogales, AZ
- House district
- AZ-7 119th Congress
- State
- Arizona
- Time zone
- Mountain (no daylight saving)
- Land area
- 69.1 sq mi · 19 people per sq mi
Where is ZIP code 85646?
85646 centers on 31.621°, -111.050° and covers 69.1 square miles of land plus 0.0 of water. It borders 4 ZIP codes: 85640, 85645, 85648, 85601.
The map draws ZIP code areas only. For the streets inside 85646, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 85646 compare with the rest of Santa Cruz County?
| Measure | 85646 | In Santa Cruz County | In AZ |
|---|---|---|---|
| People (ACS 2020-2024) | 1,345 | 6th of 9 | 321st of 417 |
| Median household income | $73k | not ranked | not ranked |
| Median home value | $491k | 1st of 7 | 65th of 282 |
85646's median household income is not ranked: its 90% margin of error (±$27,285) is more than a quarter of the figure ($73,438). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 26% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 85646?
The 2020 Census counted 1,653 people in 85646; the ACS, which samples households over 2020-2024, estimates 1,345. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,345±289 (90% margin)
- 2020 Census count
- 1,653
- Households
- 746
- Median age
- 71.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 85646?
Of the 1,345 people the ACS estimates in 85646, 8.0% are under 18 and 68.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (70.6%), then Hispanic or Latino (22.5%).
- Under 188.0%
- 18 to 6423.3%
- 65 and older68.7%
- White, not Hispanic70.6%
- Hispanic or Latino22.5%
- Other or two or more6.8%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 85646 earn?
Median household income is $73,438 (ACS 2020-2024).
- Median household income
- $73,438±$27,285
- Income per person
- $47,904
- Below the poverty line
- 12.9%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 47.8%
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 85646?
- Median home value (owners' estimate)
- $491,300
- Median gross rent
- $2,295
- Homes owned by their occupants
- 91.0%
- Housing units
- 1,139
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 85646?
64 business establishments had a location in this ZIP code in 2023, 12 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade24
- Accommodation and food services10
- Other services (except public administration)6
- Construction4
- Professional, scientific, and technical services4
- Health care and social assistance4
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 85646?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 85640 | Tumacacori | 207 | $55k | 3.6 mi |
| 85645 | Amado | 1,249 | $61k | 7.6 mi |
| 85648 | Rio Rico | 22,118 | $62k | 9.1 mi |
| 85601 | Arivaca | 268 | $31k | 16.7 mi |
| 85622 | Green Valley | 6,518 | $77k | 12.8 mi (near) |
| 85614 | Green Valley | 25,381 | $65k | 14.9 mi (near) |
| 85621 | Nogales | 21,593 | $44k | 18.4 mi (near) |
| 85624 | Patagonia | 1,546 | $56k | 20.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.