78665 ZIP Code
Round Rock, Texas
- ZIP Code
- 78665
- City
- Round Rock
- State
- Texas
- State Abbreviation
- TX
- County
- Williamson
- County FIPS
- 48491
- Time Zone
- Central Time
- Latitude
- 30.54489
- Longitude
- -97.64379
- Population
- 35,985
Population & Demographics
- Population
- 35,985
Income, housing, education and employment figures are not available for this ZIP code in the source dataset.
Where is ZIP Code 78665?
ZIP code 78665 is associated with Round Rock, Texas, in Williamson County.
ZIP codes are postal delivery areas, so this ZIP code does not necessarily match the municipal boundary of Round Rock.
Location Details
City
Round Rock
State
Texas
State abbreviation
TX
County
Williamson
County FIPS
48491
Time zone
Central Time
Population
35,985
Metro area
Data not available
Time Zone
Central Time
Time zone identifier: America/Chicago
ZIP Code Coordinates
Latitude
30.54489
Longitude
-97.64379
ZIP Codes Near 78665
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For example: 78665 vs 78664