ZIP code 78640 is in Kyle (71% of residents), Uhland (2.5%) and Niederwald (1.0%), in Hays County (98%), Caldwell County (2.1%) and Travis County (0.1%), Texas. 26% of its residents live outside city limits. It is in Texas's 27th congressional district. Its state senate districts are State Senate District 21 (98%) and State Senate District 25 (1.8%); its state house districts are State House District 45 (98%), State House District 17 (2.1%) and State House District 51 (0.1%).
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).
26 voting precincts overlap ZIP 78640.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 78640 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.