Arizona / AZ-04
Arizona District 4
Score
Irregularity score 80 Very irregularLess compact than 86% of other congressional districts.
63rd least compact of 429 nationally, 1st of 9 in Arizona.
A score describes shape, not intent. Coastlines, rivers and the Voting Rights Act can all make a district irregular. How scores work
The three measures
- Polsby-Popper
- 0.22at least as compact as 40% of districts on this measure
Area compared with perimeter. Low for jagged or snaking edges.
- Reock
- 0.24at least as compact as 4% of districts on this measure
Area compared with the smallest circle around the district, counting only land. Low for stretched shapes.
- Convex hull
- 0.65at least as compact as 17% of districts on this measure
Area compared with a rubber band stretched around the district, counting only land. Low for bites and tentacles.
Each measure runs from 0 to 1, where 1 is a perfect circle or a shape with no dents.
Cities and towns
The largest places with people in this district, from the 2020 Census. A place split between districts shows how many of its residents live in this one.
- Mesa city373,401 of its 504,258 residents
- Tempe city180,552 of its 180,587 residents
- Chandler city143,516 of its 275,987 residents
- Phoenix city81,640 of its 1,608,139 residents
2% of this district's people live outside any city, town or named community. How places are counted
ZIP codes
26 ZIP codes have residents in this district. 17 of them are split with other districts. A percentage is the share of that ZIP code's 2020 residents who live here.
- 85008 (2%)
- 85034 (1%)
- 85044 (96%)
- 85045
- 85048
- 85201 (99%)
- 85202
- 85203 (98%)
- 85204
- 85205
- 85206 (97%)
- 85207 (31%)
- 85208 (21%)
- 85209 (1%)
- 85210
- 85213 (99%)
- 85215 (99%)
- 85224
- 85225 (72%)
- 85226 (99%)
- 85234 (1%)
- 85281 (99%)
- 85282
- 85283 (88%)
- 85284
- 85286 (7%)
These are the Census Bureau's ZIP code areas, which match residential ZIP codes closely. ZIP codes used only for PO boxes or a single organization aren't included. How ZIP codes are matched
2024 presidential vote
Shares of the votes for the two of them; other candidates are left out. Arizona used the same lines in 2024, so this is added up from precinct results. A precinct split between districts is divided by its House votes, so the figures are close estimates. Where the votes come from
U.S. House
Greg Stanton, Democrat
Elected November 3, 2026, takes office January 3, 2027.
Unofficial results from the Arizona Secretary of State, checked November 6, 2026. A race shows a winner once news decision desks have called it. Results become official when the state certifies them. Where this comes from
Arizona's senators
- Ruben Gallego, Democrat
- Mark Kelly, Democrat
Senators are elected by the whole state, so district lines don't change who they are. Senators serving as of November 6, 2026. Senators elected in November 2026 take office January 3, 2027. Where this comes from
Where it sits in Arizona
- Very compact (0 to 19)
- Compact (20 to 39)
- Middle (40 to 59)
- Irregular (60 to 79)
- Very irregular (80 to 100)
The area outlined with dashes on the map, enlarged so its smaller districts can be seen.
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