Arizona's 4th congressional district (AZ-04)
Arizona's 4th congressional district (AZ-04) lies within Maricopa County, and 26 ZIP codes (12 wholly inside it). Its 2020 population was 794,611. This is the map in force for the November 3, 2026 election.
794,611residents (2020 Census)
1counties
26ZIP codes
152voting precincts
Who represents AZ-04
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (AZ-04) | Greg Stanton (D) | 202-225-9888 |
| U.S. Senator | Mark Kelly (D) | 202-224-2235 · contact form |
| U.S. Senator | Ruben Gallego (D) | 202-224-4521 |
Officials serving now (members of Congress until January 3, 2027). Sources: Members of Congress: the @unitedstates project, congress-legislators (CC0).
Counties
| County | Share of the county's residents in AZ-04 |
|---|---|
| Maricopa County | 18% |
ZIP codes
Percentages mark ZIPs only partly in AZ-04: the share of that ZIP's residents inside it.
- 85008 (1.8%)
- 85026
- 85034 (0.8%)
- 85044 (96%)
- 85045
- 85048
- 85201 (100%)
- 85202
- 85203 (98%)
- 85204
- 85205
- 85206 (97%)
- 85207 (31%)
- 85208 (21%)
- 85209 (0.1%)
- 85210
- 85213
- 85215 (100%)
- 85224
- 85225 (72%)
- 85226 (100%)
- 85281
- 85282
- 85283 (88%)
- 85284
- 85286 (6.9%)
Towns
Chandler CCD and Phoenix CCD.
Get this in your AI agent
Your agent can draw every precinct in AZ-04, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
get_boundaries(id="us:congressional_district:0404", children_level="precinct", include_districts=True)