78738 Frequently Asked Questions

A: ZIP Code 78738 is Located in Austin Texas. Portions of 78738 are also in Bee Cave, Lakeway, The Hills.

A: ZIP Code 78738 is Located Entirely in Travis County Texas.

A: The Current Sales Tax in ZIP Code 78738 is 8.2%

A: The Area Codes for 78738 are 512 and 737

A: ZIP Code 78738 is in the Texas 10th Congressional District.

A: 78738 is within Texas State House of Representatives District 19 and Texas State House of Representatives District 47.

A: ZIP Code 78738 is in Texas State Senate District 25.

A: The 2022 population of ZIP Code 78738 is 28613. The population growth rate in 78738 is 70.24%. The population density of 78738 is 603.

A: The majority race/ethnicity of people residing in 78738 is White (73.18%). The majority race/ethnicity of students attending public schools in 78738 is White(68.01%).

A: The median household income in 78738 is $143,639 (2021) and the average adjusted income is $738,910 (2021).