| City: | Tucson, Arizona |
| Names to Avoid: | Univ Of Arizona |
| County: | Pima County |
| Timezone: | Mountain (GMT -07:00)%> |
| Local Time: | 2:32:45 PM |
| Population: | No Population Data |
| Area Codes: | 520 / 928 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 32.2366, -110.9523 |
| Land Area: | 0.015 sq mi |
| Quick Link: |
The University of Arizona, founded in 1885 by the 13th Arizona Territorial Legislature, operates under dedicated ZIP code 85721 in Tucson, Pima County. As Arizona's first university and a land-grant institution established under the Morrill Acts, UA began classes in 1891 with 32 students in Old Main, a building still in use today. The USPS assigned this exclusive postal designation over two decades ago to handle campus correspondence.
Located in the North University neighborhood within Tucson's Ward 6, the 0.08-square-mile postal boundary serves a portion of the university's campus mail operations. UA offers more than 300 undergraduate, graduate, and professional programs and has grown to serve over 50,000 students. Postal records identify 45 ZIP+4 delivery codes serving facilities including Health Services and academic buildings.
As Arizona's flagship research university, UA maintains nationally ranked programs and contributes significantly to the state's educational infrastructure. Census demographic data is not available for this ZIP code, consistent with its institutional function. Tucson serves as the valid mailing city.
| Establishments: | 11 |
| Employment: | 131 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 85721 has 0 residents and 0 households. Age detail is not available. Gender breakdown is not available. Race and ethnicity breakdown is not available.
Explore More: Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship
| 2020 Population: | 0Source: Census DHC |
| 2023 ACS Population Estimate: | 0Source: Census ACS |
| 2025 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 0.0 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 0Source: Census DHC |
| Average House Value: | $0Source: Census ACS |
| Persons Per Household: | 0.00Source: Census DHC |
| Average Family Size: | 0.00Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Decennial Census | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | -- | -- | -- |
Median Age: 0
Male Median Age: 0
Female Median Age: 0
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Female | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| White: | 0 | 0% |
| Black: | 0 | 0% |
| Hispanic:* | 0 | 0% |
| Asian: | 0 | 0% |
| American Indian: | 0 | 0% |
| Hawaiian: | 0 | 0% |
| Other: | 0 | 0% |
| Total: | 0 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 0 | 0% | 0.0 years |
| Females: | 0 | 0% | 0.0 years |
| Total: | 0 | 100% | 0.0 years |
| Native, born in the United States: | 0 | 0% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0% |
| Foreign born, naturalized U.S. citizen: | 0 | 0% |
| Foreign born, not a U.S. citizen: | 0 | 0% |
| Total Population: | 0 | 100% |
| Total Native Population: | 0 | 0% |
| Total Foreign-born Population: | 0 | 0% |
ZIP Code 85721 supports both business and residential activity. According to the Business Census (2023), there are 11 business establishments, employing about 99 people with an annual payroll of $2,598,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 5,719Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 11Source: CBP |
| 1st Quarter Payroll: | $596,000Source: CBP |
| Annual Payroll: | $2,598,000Source: CBP |
| # of Employees: | 99Source: CBP |
ZIP Code 85721 is located in Pima County, Arizona, within the Tucson, AZ Metropolitan Statistical Area (CBSA 46060) and Arizona's 7th Congressional District. This Metro area has a population of 1,049,947 people, about 0.00% of whom live in ZIP Code 85721. It covers 0.015 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Tucson, AZSource: Census |
| CBSA Number: | 46060Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 1,049,947Source: Census |
| MSA: | Tucson, AZ MSASource: Census |
| Land Area: | 0.015 sq miSource: Census |
| Water Area: | --Source: Census |
| Congressional District: | 07Source: USPS |
| Congressional Land Area: | 205.12 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0477000Source: Census |
| Place Name: | Tucson city; ArizonaSource: Census |
We could not locate which school district 85721 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on January 1, 2026.