78681 is zip code located in Round Rock, Texas. The population is 53,229, making 78681 the 2nd largest zipcode in Round Rock and the 5th largest in Travis County.
There are 12 public schools in 78681 with an average Homefacts rating of A-. The total crime rate for Round Rock is very low , and there are 37 registered sex offenders residing in the zip code 78681. Unemployment in 78681 is low.