ZIP CODE 78665 ROUND ROCK TX

Sources: US Census Bureau, US Postal Service, GreatData.com - Apr, 2026


Round Rock, TX
-

Williamson
30.548875  -97.636201
254
-6 / Y
61,577
2,774 (people/ sq. mi.)
$474,100 (chart below)
$122,680 (chart below)
$60,745
5%
ZIP Code 78665 Congressional District & Representatives

Gender

Race

Education


35
3
646
491
48
640
-

Household Income

Home Values