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ZIP Code 78721

Austin, Texas, United States

Standard ZIP Central Time (CT)
10,997
Population
1,190.1
Per sq mile
Travis
County

About ZIP Code 78721

ZIP code 78721 is assigned to Austin, Travis County, Texas, United States. It falls in the Central Time (CT) zone. The estimated population of this ZIP code area is 10,997 with a density of 1,190.1 people per square mile.

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Location Details

ZIP Code78721
CityAustin
CountyTravis County
StateTexas
CountryUnited States
TimezoneCentral Time (CT)
Timezone IDAmerica/Chicago
Latitude30.2713
Longitude-97.6834
ZIP TypeStandard ZIP

Post Office

Address900 BLACKSON AVE
CityAUSTIN
StateTX

Nearby ZIP Codes in Texas

78723
Austin
78702
Austin
78722
Austin
78742
Austin
78701
Austin
78712
Austin

Frequently Asked Questions

What city is ZIP code 78721 in?

ZIP code 78721 is in Austin, Travis County, Texas, United States.

What county is ZIP code 78721 in?

ZIP code 78721 is in Travis County, Texas.

What timezone is ZIP code 78721 in?

ZIP code 78721 is in the Central Time (CT) zone (America/Chicago).

What is the population of ZIP code 78721?

The estimated population of ZIP code 78721 is 10,997 people with a density of 1,190.1 people per square mile.

What state is ZIP code 78721 in?

ZIP code 78721 is in Texas (TX), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.