ZIP code 85356: Wellton, AZ
ZIP code 85356 is in Wellton (68% of residents), Tacna (5.3%) and Wellton Hills (4.8%), in Yuma County, Arizona. 22% of its residents live outside city limits. It is in Arizona's 9th congressional district (100%) and Arizona's 7th congressional district (0.1%). Its state senate districts are State Senate District 25 (100%) and State Senate District 23 (0.1%); its state house districts are State House District 25 (100%) and State House District 23 (0.1%).
See it on the mapAll of Arizona
City and county
| City or town | Share of ZIP residents |
|---|---|
| Wellton | 68% |
| Tacna | 5.3% |
| Wellton Hills | 4.8% |
| County | Share of ZIP residents |
|---|---|
| Yuma County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Wellton CCD | 100% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Arizona's 9th congressional district (AZ-09) | 100% |
| Arizona's 7th congressional district (AZ-07) | 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.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (AZ-09) | Paul A. Gosar (R) | 202-225-2315 | 100% |
| U.S. Representative (AZ-07) | Adelita S. Grijalva (D) | 202-225-2435 | 0.1% |
| U.S. Senator | Mark Kelly (D) | 202-224-2235 · contact form | statewide |
| U.S. Senator | Ruben Gallego (D) | 202-224-4521 | statewide |
| State Senator (State Senate District 25) | Tim Dunn (R) | 100% | |
| State Senator (State Senate District 23) | Brian Fernandez (Democratic) | 0.1% | |
| State Representative (State House District 25) | Michael Carbone (R) | 100% | |
| State Representative (State House District 25) | Nick Kupper (R) | 100% | |
| State Representative (State House District 23) | Mariana Sandoval (Democratic) | 0.1% | |
| State Representative (State House District 23) | Michele Peña (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
- Wellton website: http://town.wellton.az.us
- Wellton laws: search for the Wellton, Arizona code of ordinances
- Tacna laws: search for the Tacna, Arizona code of ordinances
- Wellton Hills laws: search for the Wellton Hills, Arizona code of ordinances
- Yuma County website: https://www.yumacountyaz.gov/
- Yuma County laws: search for the Yuma County, Arizona code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 25 | 100% |
| State Senate District 23 | 0.1% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 25 | 100% |
| State House District 23 | 0.1% |
Voting precincts
2 voting precincts overlap ZIP 85356. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:85356")
ZIP 85356 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.