PlainZIP

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 a sparsely populated ZIP (a standard USPS delivery area) in Tumacacori, Santa Cruz County, Arizona, home to just 441 residents across 19.2 square miles, a density of 23 people per square mile, in the Phoenix time zone.

ZIP 85640 reports a modest median household income of $55,417 (24% below the Arizona average), while per-capita income is $19,640. Local economic indicators show a 18.4% poverty rate alongside 0.0% unemployment. Housing costs here run - for a typical home value, with rent averaging - a month; 0.0% of homes are owner-occupied.

Formal educational attainment runs low here: just 0.0% of adults hold a bachelor's degree or higher, the median age is 40.6, and the average commute is -. Beyond these figures, 4 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Santa Cruz County, letting you compare 85640 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; FHFA HPI updated quarterly/annually.

Quick Facts

441

Population

19.2

Area (sq mi)

23

People / sq mi

Phoenix

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 85640?

40.6

Median Age

41.1%

Male

58.9%

Female

60.9%

Foreign-Born

White 29.5%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 22.7%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 43.0%
Hispanic or Latino 65.7%

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

Tumacacori, AZ 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

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 50.0%
Bachelor's Degree or Higher 0.0%

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

Owner 0.0%
Renter 100.0%

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.

residents

What this shows Among its immediate neighbors, ZIP 85640 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 85640 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
85648 Rio Rico, AZ 19,080 5.2 mi
85646 Tubac, AZ 1,311 4.6 mi
85621 Nogales, AZ 23,054 9.6 mi
85645 Amado, AZ 2,231 11.7 mi

More ZIP Codes in Santa Cruz County

85621 standard
Nogales, AZ
Pop: 23,054
85648 standard
Rio Rico, AZ
Pop: 19,080
85624 standard
Patagonia, AZ
Pop: 1,426
85646 standard
Tubac, AZ
Pop: 1,311
85637 standard
Sonoita, AZ
Pop: 1,268
85611 standard
Elgin, AZ
Pop: 965

Related Areas

Santa Cruz County Tumacacori, AZ Arizona

Frequently Asked Questions

What county is ZIP code 85640 in? ▼
ZIP code 85640 (Tumacacori) is located in Santa Cruz County, Arizona. Santa Cruz County contains multiple ZIP codes, see the full list at /counties/santa-cruz-az.
What is the population of ZIP code 85640? ▼
ZIP code 85640 in Tumacacori, AZ has a population of 441 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 85640? ▼
The median household income in ZIP 85640 is $55,417, which is 27% below the national average of $76,288.
What is the demographic makeup of ZIP 85640? ▼
The largest racial group in ZIP 85640 is Two or More Ethnicities at 43.0%. Hispanic or Latino residents make up 65.7% of the population.
How many businesses are in ZIP code 85640? ▼
ZIP code 85640 has 10 business establishments employing approximately 38 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the poverty rate in ZIP code 85640? ▼
The poverty rate in ZIP code 85640 is 18.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.