78734 Frequently Asked Questions

A: ZIP Code 78734 is Located in Austin Texas. Portions of 78734 are also in Hudson Bend, Lakeway, The Hills.

A: ZIP Code 78734 is Located Entirely in Travis County Texas.

A: The Current Sales Tax in ZIP Code 78734 is 8.2%

A: The Area Codes for 78734 are 512 and 737

A: ZIP Code 78734 is in the Texas 10th Congressional District.

A: 78734 is within Texas State House of Representatives District 19 and Texas State House of Representatives District 47.

A: ZIP Code 78734 is in Texas State Senate District 25.

A: The 2022 population of ZIP Code 78734 is 21685. The population growth rate in 78734 is 15.51%. The population density of 78734 is 933.

A: The majority race/ethnicity of people residing in 78734 is White (80.83%). The majority race/ethnicity of students attending public schools in 78734 is White(53.27%).

A: The median household income in 78734 is $116,955 (2021) and the average adjusted income is $715,310 (2021).