| City: | Dubuque, Iowa |
| County: | Dubuque County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 8:00:38 PM |
| Population: | No Population Data |
| Area Code: | 563 |
| Classification: | PO Box |
| Coordinates: | 42.5006, -90.6647 |
| Quick Link: |
The postal facility registers 327 businesses despite having just one street address (W 6th Street) in its records. This arrangement is common in urban areas where a central post office handles PO Box services while carrier routes operate from other ZIPs. The relatively modest PO Box count suggests this facility serves local needs rather than functioning as a regional hub for surrounding communities.
Only one street appears in delivery records, indicating this is a centralized PO Box facility rather than a residential delivery zone.
ZIP Code 52004 supports both business and residential activity. According to the Business Census (2024), there are 20 business establishments, employing about 2,208 people with an annual payroll of $132,798,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,680Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 20Source: CBP |
| 1st Quarter Payroll: | $33,901,000Source: CBP |
| Annual Payroll: | $132,798,000Source: CBP |
| # of Employees: | 2,208Source: CBP |
ZIP Code 52004 is located in Dubuque County, Iowa, within the Dubuque, IA Metropolitan Statistical Area (CBSA 20220) and Iowa's 2nd Congressional District. This Metro area has a population of 98,948 people, about 0.00% of whom live in ZIP Code 52004. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Dubuque, IASource: Census |
| CBSA Number: | 20220Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 98,948Source: Census |
| MSA: | Dubuque, IA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 02Source: USPS |
| Congressional Land Area: | 12261.92 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1922395Source: Census |
| Place Name: | Dubuque city; IowaSource: Census |
We could not locate which school district 52004 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.