ZIP code 78642 is in Liberty Hill (16% of residents) and Santa Rita Ranch (15%), in Williamson County (97%) and Burnet County (2.6%), Texas. 69% of its residents live outside city limits. It is in Texas's 31st congressional district. Its state senate districts are State Senate District 5 (73%) and State Senate District 24 (27%); its state house districts are State House District 20 (72%), State House District 52 (26%) and State House District 19 (2.6%).
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: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
10 voting precincts overlap ZIP 78642.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 78642 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.