| City: | Huntsville, Alabama |
| County: | Madison County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 7:48:41 PM |
| Population: | No Population Data |
| Area Codes: | 256 / 938 |
| Classification: | PO Box |
| Coordinates: | 34.7305, -86.5863 |
| Quick Link: |
ZIP code 35804 serves downtown Huntsville, Alabama's business district. This isn't a residential ZIP. It's a dedicated post office location in the heart of Alabama's second-largest city. The ZIP has zero population in Census records because it doesn't cover a residential area. Instead, it exists as a point within the larger 35801 ZIP code.
The post office at Clinton Avenue W maintains 368 PO Boxes and serves 677 business delivery points. With 30 business establishments employing 226 people, this ZIP functions as a commercial mail hub for downtown Huntsville. Businesses here range from professional offices to retail shops in the city's historic core.
All 116 ZIP+4 records point to a single address on Clinton Avenue W, using unit numbers to distinguish individual boxes and suites. This concentrated structure confirms the downtown post office's role as a central mail distribution point rather than a neighborhood delivery zone. Street delivery in downtown Huntsville comes through the surrounding 35801 ZIP code, while 35804 handles PO Box rentals and business mail services.
Single street address reflects the concentrated downtown post office location.
ZIP Code 35804 supports both business and residential activity. According to the Business Census (2024), there are 29 business establishments, employing about 256 people with an annual payroll of $17,653,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 2,295Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 29Source: CBP |
| 1st Quarter Payroll: | $4,287,000Source: CBP |
| Annual Payroll: | $17,653,000Source: CBP |
| # of Employees: | 256Source: CBP |
ZIP Code 35804 is located in Madison County, Alabama, within the Huntsville, AL Metropolitan Statistical Area (CBSA 26620) and Alabama's 5th Congressional District. This Metro area has a population of 417,593 people, about 0.00% of whom live in ZIP Code 35804. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Huntsville, ALSource: Census |
| CBSA Number: | 26620Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 417,593Source: Census |
| MSA: | Huntsville, AL MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 05Source: USPS |
| Congressional Land Area: | 3677.31 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0137000Source: Census |
| Place Name: | Huntsville city; AlabamaSource: Census |
We could not locate which school district 35804 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 March 1, 2026.