ZIP code 85742 is in Casas Adobes (45% of residents), Marana (13%) and Oro Valley (3.4%), in Pima County, Arizona. 39% of its residents live outside city limits. It is in Arizona's 6th congressional district. Its state senate districts are State Senate District 17 (55%) and State Senate District 18 (45%); its state house districts are State House District 17 (55%) and State House District 18 (45%).
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).
13 voting precincts overlap ZIP 85742.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 85742 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.