Round Rock, TX 78665 - Williamson County Texas

Cities in 78665

Below are the cities that the US Postal Service accepts for the ZIP code 78665. This code is specific to the city of Round Rock, Texas, and its surrounding areas. If you are mailing a letter or package to this area, be sure to use this ZIP code to ensure that your mail is properly delivered. The city listed in a ZIP code may not be the preferred city for that area. The city associated with the ZIP code 78665 is typically the name of the main post office for that area. When sending your package or letter, be sure to include the preferred or acceptable city. Using any city not on the list of acceptable cities may result in delays.

Primary/prefered city: Round Rock, TX

Demographicsupdated:06/2024

Population 51,925
Population Density 2,156 people per sq mile
State FIPS 48
County FIPS 491
Land Area 24.08 sq miles
Water Area 0.36 sq miles
Latitude 30.54
Longitude -97.65

Total Population by Age

Gender

Race & Ethnicity

Economicsupdated:06/2024

Income


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