| City: | Austin, Texas |
| County: | Travis County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 9:51:59 AM |
| Population: | No Population Data |
| Area Code: | 512 |
| Classification: | PO Box |
| Coordinates: | 30.2667, -97.7428 |
| Quick Link: |
The single street address associated with this ZIP—Blackson Avenue—contains 107 unit records at the post office facility itself. This isn't unusual for urban PO Box ZIPs, where the facility address generates multiple delivery points for internal sorting and business mail drops. The area it serves falls within Travis County and uses Austin as its mailing name.
The single street entry represents the post office facility itself rather than a traditional delivery route, typical of urban PO Box-only ZIPs where the facility address contains multiple internal sorting points.
ZIP Code 78761 supports both business and residential activity. According to the Business Census (2024), there are 12 business establishments, employing about 29 people with an annual payroll of $1,050,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 689Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 12Source: CBP |
| 1st Quarter Payroll: | $331,000Source: CBP |
| Annual Payroll: | $1,050,000Source: CBP |
| # of Employees: | 29Source: CBP |
ZIP Code 78761 is located in Travis County, Texas, within the Austin-Round Rock-San Marcos, TX Metropolitan Statistical Area (CBSA 12420) and Texas's 37th Congressional District. This Metro area has a population of 1,716,289 people, about 0.00% of whom live in ZIP Code 78761. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Austin-Round Rock-San Marcos, TXSource: Census |
| CBSA Number: | 12420Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 1,716,289Source: Census |
| MSA: | Austin-San Marcos, TX MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 37Source: USPS |
| Congressional Land Area: | 0 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4805000Source: Census |
| Place Name: | Austin city; TexasSource: Census |
We could not locate which school district 78761 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.