Round Rock, TX

ZIP Codes in Round Rock, Texas

December 30, 2025

ZIP Code	Population	Coordinates
78664	62,168	30.5054, -97.6473
78665	61,640	30.2198, -98.3586
78680	--	30.6568, -97.6026
78681	57,760	30.5418, -97.7166
78682	--	30.6568, -97.6026
78683	--	30.6568, -97.6026

Round Rock has 6 ZIP codes

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