Boundary Atlas

ZIP code 85028: Phoenix, AZ

ZIP code 85028 is in Phoenix, in Maricopa County, Arizona. It is in Arizona's 1st congressional district. Its state senate districts are State Senate District 4 (76%) and State Senate District 5 (24%); its state house districts are State House District 4 (76%) and State House District 5 (24%).

19,888residents (2020 Census)
6.9 sq miland area
1cities and towns
1congressional district
10voting precincts

See it on the mapAll of Arizona

City and county

City or townShare of ZIP residents
Phoenix100%

CountyShare of ZIP residents
Maricopa County100%

Town or county subdivisionShare of ZIP residents
Phoenix CCD100%

Congressional district

Congressional districtShare of ZIP residents
Arizona's 1st congressional district (AZ-01)100%

Elected officials

OfficeMemberContactShare of residents
MayorKate Gallego602-262-7111100%
U.S. Representative (AZ-01)David Schweikert (R)202-225-2190100%
U.S. SenatorMark Kelly (D)202-224-2235 · contact formstatewide
U.S. SenatorRuben Gallego (D)202-224-4521statewide
State Senator (State Senate District 4)Carine Werner (R)76%
State Senator (State Senate District 5)Lela Alston (Democratic)24%
State Representative (State House District 4)Matt Gress (R)76%
State Representative (State House District 4)Pamela Carter (R)76%
State Representative (State House District 5)Aaron Márquez (Democratic)24%
State Representative (State House District 5)Sarah Liguori (Democratic)24%

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).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 476%
State Senate District 524%

State house districtShare of ZIP residents
State House District 476%
State House District 524%

Voting precincts

10 voting precincts overlap ZIP 85028. Map them, with each precinct's share of the ZIP's residents.

Get this in your AI agent

Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:85028")

ZIP 85028 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.