ZIP code 78717 is in Austin (76% of residents) and Brushy Creek (21%), in Williamson County, Texas. It is in Texas's 17th congressional district. Its state senate districts are State Senate District 24 (96%) and State Senate District 5 (3.7%); its state house district is State House District 136.
Elected in 2024 under TX's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
Officials serving now (members of Congress until January 3, 2027). Sources: Mayors: Open States (public domain); State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
13 voting precincts overlap ZIP 78717.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 78717 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code;
PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.