78680 Sales Tax Rate

Round Rock, TX is in zip code 78680. The current (and Dec, 2020) total local sales tax rate in Round Rock, TX is 8.250%.

Sales Tax Breakdown

DistrictRate
Texas State6.250%
Williamson County0.000%
Round Rock2.000%
Total 8.250%

Round Rock Details

Round Rock, TX is in Williamson County. Round Rock is in the following zip codes: 78664, 78680, 78681, 78682, 78683.