Santa Cruz County, AZ ZIP Codes
8 ZIP codes cover all or part of Santa Cruz County, Arizona: 85648, 85621, 85624, 85611, 85646, 85645, 85637 and 85640. The Census Bureau counts 48,926 residents in the county, with a median household income of $55,217 and a median home value of $233,000. Median household income ranges from $43,464 in 85621 to $99,688 in 85637. Its largest communities include Rio Rico, Nogales, Tubac, Patagonia and Sonoita.
Santa Cruz County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 48,926 |
| Households | 16,966 |
| Median household income | $55,217 |
| Median home value | $233,000 |
| Median age | 37.9 |
| Median rent | $829 |
All 8 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 50,617 |
| Households (sum of ZIP codes) | 17,675 |
| Median household income, range across ZIP codes | $43,464 (85621) to $99,688 (85637) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $56,417 |
| Homeowners | 70.1% |
| Households with kids under 18 | 35.5% |
| Moved in the past year | 10.9% |
| Carrier routes in EDDM2GO's route library | 27 routes, 16,991 homes (7 of 8 ZIP codes) |
Top facts
- Highest median household income in Santa Cruz County: 85637 ($99,688)
- Most residents: 85648 (22,118 people)
- Highest homeownership: 85645 (93.0% own their home)
- Most households with kids: 85648 (45.3% of households)
- Most new movers: 85637 (19.1% moved in last year)
- Youngest median age: 85648 (34.7 years)
- Highest median home value: 85646 ($491,300)
Every ZIP code in Santa Cruz County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 85648 | Rio Rico | 22,118 | 7,240 | $61,519 | $224,900 | 85.1% | 45.3% | 6.9% | 10 | 8,135 | 100% of its land |
| 85621 | Nogales | 21,593 | 7,186 | $43,464 | $193,200 | 49.8% | 35.0% | 14.5% | 11 | 8,799 | 100% of its land |
| 85624 | Patagonia | 1,546 | 756 | $56,053 | $397,500 | 62.0% | 19.4% | 15.7% | 2 | 153 | 100% of its land |
| 85611 | Elgin | 1,454 | 585 | $91,458 | $380,300 | 89.6% | 17.3% | 9.1% | 1 | 500 | 50% of its land |
| 85646 | Tubac | 1,345 | 746 | $73,438 | $491,300 | 91.0% | 4.8% | 13.9% | — | — | 100% of its land |
| 85645 | Amado | 1,249 | 600 | $60,714 | $206,800 | 93.0% | 11.5% | 1.9% | 1 | 545 | 38% of its land |
| 85637 | Sonoita | 1,105 | 477 | $99,688 | $467,100 | 89.1% | 15.7% | 19.1% | 1 | 136 | 53% of its land |
| 85640 | Tumacacori | 207 | 85 | $55,417 | — | 0.0% | 60.0% | 36.2% | 1 | 16 | 100% of its land |
A ZIP code is listed for Santa Cruz County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Rio Rico — 22,017 residents · 2 ZIP codes
- Nogales — 19,841 residents · 1 ZIP code
- Tubac — 1,294 residents · 1 ZIP code
- Patagonia — 946 residents · 1 ZIP code
- Sonoita — 663 residents · 1 ZIP code
- Elgin — 349 residents · 1 ZIP code
- Tumacacori-Carmen — 207 residents · 1 ZIP code
- Kino Springs — 173 residents · 1 ZIP code
- Beyerville — 61 residents · 1 ZIP code
Rankings
- Richest ZIP codes in Santa Cruz County — 7 ZIP codes ranked
- ZIP codes with the highest home values in Santa Cruz County — 7 ZIP codes ranked
- ZIP codes with the highest homeownership in Santa Cruz County — 7 ZIP codes ranked
- ZIP codes with the most families with kids in Santa Cruz County — 7 ZIP codes ranked
- ZIP codes with the most new movers in Santa Cruz County — 7 ZIP codes ranked
- Youngest ZIP codes in Santa Cruz County — 7 ZIP codes ranked
- Oldest ZIP codes in Santa Cruz County — 7 ZIP codes ranked
- Fastest-growing ZIP codes in Santa Cruz County — 7 ZIP codes ranked
Price a mailing to Santa Cruz County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Santa Cruz County, AZ?
- 85648, 85621, 85624, 85611, 85646, 85645, 85637 and 85640. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Santa Cruz County?
- 48,926 residents in 16,966 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Santa Cruz County?
- $55,217 for the county as a whole. Its ZIP codes range from $43,464 (85621) to $99,688 (85637).
- Which Santa Cruz County ZIP code has the highest median household income?
- 85637, at $99,688, among ZIP codes with at least 1,000 residents. See the full ranking of Santa Cruz County ZIP codes by income.
- How many carrier routes and mailboxes are in Santa Cruz County?
- For the 7 of 8 ZIP codes in EDDM2GO's stored route library: 27 carrier routes reaching 16,991 residential and 1,295 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.