ZIP code 85142: Queen Creek, AZ
ZIP code 85142 is in Queen Creek (63% of residents), San Tan Valley (28%) and Gilbert (1.2%), in Maricopa County (71%) and Pinal County (29%), Arizona. 7.9% of its residents live outside city limits. It is in Arizona's 5th congressional district (100%) and Arizona's 2nd congressional district (0.1%). Its state senate districts are State Senate District 15 (96%), State Senate District 14 (3.7%) and State Senate District 16 (0.1%); its state house districts are State House District 15 (96%), State House District 14 (3.7%) and State House District 16 (0.1%).
See it on the mapAll of Arizona
City and county
| City or town | Share of ZIP residents |
|---|---|
| Queen Creek | 63% |
| San Tan Valley | 28% |
| Gilbert | 1.2% |
| County | Share of ZIP residents |
|---|---|
| Maricopa County | 71% |
| Pinal County | 29% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Chandler CCD | 71% |
| North Pinal CCD | 29% |
| Gila River CCD | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Arizona's 5th congressional district (AZ-05) | 100% |
| Arizona's 2nd congressional district (AZ-02) | 0.1% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 15 | 96% |
| State Senate District 14 | 3.7% |
| State Senate District 16 | 0.1% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 15 | 96% |
| State House District 14 | 3.7% |
| State House District 16 | 0.1% |
Voting precincts
30 voting precincts overlap ZIP 85142. 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:85142")
ZIP 85142 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.