Updated at 11:07 p.m.

Unofficial results from Williamson and Travis counties show 64.78 percent of Round Rock ISD voters in favor of the district's $508.4 million bond proposition.

Williamson and Travis counties are reporting a combined 50,324 votes in support of the bond proposition and 27,349 votes in opposition of the bond with 124 of 143 Travis County polling locations counted and 33 of 59  Williamson County polling locations counted.

“We are thankful to the voters of Round Rock ISD for their participation in the election and especially for the support we’ve received from the community,” Superintendent Steve Flores said Tuesday night. “In Round Rock ISD we are committed to putting students first, creating world-class educational experiences and building on our reputation as a destination district. With the passage of this bond we will be able to meet the needs of our growing population, enhance safety on our campuses and modernize aging facilities to ensure equity across the district.”

The district's last bond proposition totaled $572.1 million and was defeated by voters in May 2017.

Learn more about what is included in the bond here.