Round Rock ZIP Code, Texas USA

Round Rock is one of the popular cities of Texas, covers 6 zip codes 2 counties, and accommodates a total population of 120,465 residents, based on the 2022 American Community Survey (ACS 5-year) data. The 78664 ZIP code's location ROUND ROCK is the most populated location having 62,168 residents, among all ZIP code locations in Round Rock, TX. This resource summarizes its demographic information such as Round Rock city zip codes, population, area codes, household income, per capita income including other useful socio-economic indicators.

Round Rock, TX ZIP Codes Cover 6 Locations

The ZIP codes of Round Rock covers 6 major locations in Texas in the United States.

ZIP Code	Post Office Location	Post Office	Population
78664	ROUND ROCK 2250 DOUBLE CREEK DR	Standard	62168
78665	ROUND ROCK 2250 DOUBLE CREEK DR	Post-Box Only using 78664 Facility	61640
78680	ROUND ROCK WEST 797 SAM BASS RD	Post-Box Only using 78681 Facility	-
78681	ROUND ROCK WEST 797 SAM BASS RD	Standard	57760
78683	ROUND ROCK 2250 DOUBLE CREEK DR	Post-Box Only using 78664 Facility	-

Round Rock, TX Unique ZIP Codes
These 1 UNIQUE ZIP codes to Round Rock, Texas are the exclusive ZIP codes assigned to entities like governmental agencies, universities and businesses handling large volumes of mail delivery.

Entity ZIP Code	Post Office Location	Physical ZIP Code
78682	ROUND ROCK 2250 DOUBLE CREEK DR	78664

All 6 ZIP Codes of Round Rock, TX Part of 2 Counties

6 ZIP code locations of Round Rock, TX spread across 2 counties of Texas in the United States.

• Travis County
• Williamson County

2 Area Codes are used in Round Rock, TX

2 NPA codes 512 and 737 are being used in all Round Rock city, TX ZIP code locations in the United States, according to North American Numbering Plan Administrator (NANPA).

• 512 Area Code
• 737 Area Code

City of Round Rock, TX Socio-economic and Demographic Data

Round Rock is a city in Travis County and Williamson County, Texas, USA. This socio-economic and demographic dynamics of Round Rock, TX briefly summarizes how its total population of 120,465 residents (59,145 males and 61,320 females) connected to education, employment, income, housing and more.

City	Round Rock
County	Travis County and Williamson County
State	Texas
Total Population	120,465
Median Age	35
Total Male Population	59,145
Total Female Population	61,320
Male Female Ratio	965 female per 1,000 male
Younger Ppulation below 16 years	25,946
White Population	75,950
Hispanic or Latino Population	33,867
Black Population	13,322
Asian Population	8,032
Total US Natives or Citizens	120,465
Total Non US Citizens	8,711
Per Capita Income	$44,507
Total Household Income	$117,582
Total Housing Units	45,133
Vacant Housing Units	2,369

This population information for Round Rock city is sourced from 2022 American Community Survey (ACS 5-year) data.

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