Boundary Atlas

ZIP code 85648: Rio Rico, AZ

ZIP code 85648 is in Rio Rico (99% of residents), in Santa Cruz County, Arizona. It is in Arizona's 7th congressional district. Its state senate district is State Senate District 21; its state house district is State House District 21.

20,720residents (2020 Census)
215.4 sq miland area
1cities and towns
1congressional district
7voting precincts

See it on the mapAll of Arizona

City and county

City or townShare of ZIP residents
Rio Rico99%

CountyShare of ZIP residents
Santa Cruz County100%

Town or county subdivisionShare of ZIP residents
Nogales CCD100%

Congressional district

Congressional districtShare of ZIP residents
Arizona's 7th congressional district (AZ-07)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (AZ-07)Adelita S. Grijalva (D)202-225-2435100%
U.S. SenatorMark Kelly (D)202-224-2235 · contact formstatewide
U.S. SenatorRuben Gallego (D)202-224-4521statewide
State Senator (State Senate District 21)Rosanna Gabaldón (Democratic)100%
State Senator (State Senate District 19)David Gowan (R)<0.1%
State Representative (State House District 21)Consuelo Hernandez (Democratic)100%
State Representative (State House District 21)Stephanie Stahl Hamilton (Democratic)100%
State Representative (State House District 19)Gail Griffin (R)<0.1%
State Representative (State House District 19)Lupe Diaz (R)<0.1%

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).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 21100%
State Senate District 19land only

State house districtShare of ZIP residents
State House District 21100%
State House District 19land only

Voting precincts

7 voting precincts overlap ZIP 85648. Map them, with each precinct's share of the ZIP's residents.

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ZIP 85648 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.