78664 vs 78665 ZIP Codes
Round Rock, TX · Round Rock, TX
| Metric | 78664 | 78665 |
|---|---|---|
| City | Round Rock | Round Rock |
| County | Williamson | Williamson |
| State | Texas | Texas |
| Time zone | Central Time | Central Time |
| Population | 52,932 | 35,985 |
Demographic figures come from U.S. Census Bureau / ACS data included in the source ZIP dataset; many ZIP codes have no demographic figures in that dataset.