Precinct 1 Starts in southwest Williamson County at the Travis County line and proceeds in a NE direction through parts of Austin to Round Rock with only three precincts east of I-35. It extends northward to Hwy 1431. It includes the Forest North subdivision, parts of Avery Ranch, Davis Springs, Cat Hollow, Fern Bluff, Brushy Creek, Walsh Ranch, and Sendero Springs Municipal Utility Districts.

Map of Precinct 1