Tumacacori, AZ · standard
ZIP Code 85640
Santa Cruz County, Arizona — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 441
- 23/sq mi
- $55,417
- Median income
- 0.0%
- Bachelor's or higher
The verdict
Tumacacori pairs one of the lowest household incomes in the country, in a rural, renter-heavy area.
- 22th pct
- household income, US ZIPs
- 23
- people per sq mi
- 0%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 85640 against every reporting US ZIP.
ZIP code 85640 is classified by USPS as a standard delivery area and covers roughly 19.2 square miles in Tumacacori, Santa Cruz County, Arizona. The area is home to 441 residents, producing a population density of 23 people per square mile, and falls within the Phoenix time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 85640 against Arizona and the nation.
On the economic side, the median household income for ZIP 85640 sits at $55,417 (24% below the Arizona average), while per-capita income is $19,640. The poverty rate stands at 18.4% and the unemployment rate at 0.0%. On housing, the median home value is — with median rent at — per month, and 0.0% of occupied units are owner-occupied, a direct signal of whether 85640 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 0.0% of adults hold a bachelor's degree or higher, the median age is 40.6, and the average commute is —. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Santa Cruz County, so you can benchmark 85640 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 85640, Tumacacori, AZ · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
441
Population
19.2
Area (sq mi)
23
People / sq mi
Phoenix
Time Zone
standard
ZIP Type
Who lives in ZIP 85640?
40.6
Median Age
41.1%
Male
58.9%
Female
60.9%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$55,417
Median Household Income
-24% vs state
$19,640
Per Capita Income
18.4%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 85640 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$55,417 22nd percentile higher than 22% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
165
Total Housing Units
85
Occupied Units
80
Vacant Units
2.44
Avg Household Size
Occupancy Type
1979
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 10 business establishments in ZIP 85640, employing approximately 38 people with a combined annual payroll of $1,636,000.
10
Businesses
38
Employees
$1.6M
Annual Payroll
0
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 85640 vs 85648 →
ZIP 85640 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 85621
Nogales (85621)
23,054 residents
- 85648
Rio Rico (85648)
19,080 residents
- 85645 2,231
Amado (85645)
2,231 residents
- 85646 1,311
Tubac (85646)
1,311 residents
- 85640 441
Tumacacori (85640)
441 residents
What this shows Among its immediate neighbors, ZIP 85640 ranks #5 by population — useful context the national average alone can't give.
ZIP 85640 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 85646
Tubac (85646)
$73,438 median income
- 85648
Rio Rico (85648)
$61,519 median income
- 85645
Amado (85645)
$60,714 median income
- 85640
Tumacacori (85640)
$55,417 median income
- 85621
Nogales (85621)
$43,464 median income
What this shows By household income, ZIP 85640 ranks #4 of 5 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Santa Cruz County
Related Areas
Frequently Asked Questions
What county is ZIP code 85640 in? ▼
What is the population of ZIP code 85640? ▼
What is the median household income in ZIP 85640? ▼
What is the demographic makeup of ZIP 85640? ▼
How many businesses are in ZIP code 85640? ▼
What is the poverty rate in ZIP code 85640? ▼
ZIP Code Research Guides
Official Data Resources for Tumacacori, AZ
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.