ZIP code 97123: Hillsboro, OR
ZIP code 97123 is in Hillsboro (90% of residents), in Washington County (98%) and Yamhill County (1.7%), Oregon. 9.9% of its residents live outside city limits. It is in Oregon's 1st congressional district (98%) and Oregon's 6th congressional district (1.7%). Its state senate districts are State Senate District 15 (53%), State Senate District 18 (45%) and State Senate District 12 (1.7%); its state house districts are State House District 36 (45%), State House District 30 (36%), State House District 29 (17%), State House District 24 (1.7%) and State House District 35 (0.2%).
See it on the mapAll of Oregon
City and county
| City or town | Share of ZIP residents |
|---|---|
| Hillsboro | 90% |
| Aloha | 0.1% |
| Cornelius | <0.1% |
| County | Share of ZIP residents |
|---|---|
| Washington County | 98% |
| Yamhill County | 1.7% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Beaverton-Hillsboro CCD | 94% |
| Chehalem Mountains CCD | 3.5% |
| Newberg CCD | 1.7% |
| Forest Grove-Cornelius CCD | 0.8% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Oregon's 1st congressional district (OR-01) | 98% |
| Oregon's 6th congressional district (OR-06) | 1.7% |
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 |
|---|---|---|---|
| Mayor | Beach Pace | 503-681-6219 | 90% |
| U.S. Representative (OR-01) | Suzanne Bonamici (D) | 202-225-0855 | 98% |
| U.S. Representative (OR-06) | Andrea Salinas (D) | 202-225-5643 | 1.7% |
| U.S. Senator | Jeff Merkley (D) | 202-224-3753 · contact form | statewide |
| U.S. Senator | Ron Wyden (D) | 202-224-5244 · contact form | statewide |
| State Senator (State Senate District 15) | Janeen Sollman (Democratic) | 53% | |
| State Senator (State Senate District 18) | Wlnsvey Campos (Democratic) | 45% | |
| State Senator (State Senate District 12) | Bruce Starr (R) | 1.7% | |
| State Representative (State House District 36) | Hai Pham (Democratic) | 45% | |
| State Representative (State House District 30) | Nathan Sosa (Democratic) | 36% | |
| State Representative (State House District 29) | Susan McLain (Democratic) | 17% | |
| State Representative (State House District 24) | Lucetta Elmer (R) | 1.7% | |
| State Representative (State House District 35) | Farrah Chaichi (Democratic) | 0.2% |
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
- Hillsboro website: https://www.hillsboro-oregon.gov/
- Hillsboro laws: search for the Hillsboro, Oregon code of ordinances
- Washington County website: https://www.washingtoncountyor.gov
- Washington County laws: search for the Washington County, Oregon code of ordinances
- Yamhill County website: http://www.co.yamhill.or.us
- Yamhill County laws: search for the Yamhill County, Oregon code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 15 | 53% |
| State Senate District 18 | 45% |
| State Senate District 12 | 1.7% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 36 | 45% |
| State House District 30 | 36% |
| State House District 29 | 17% |
| State House District 24 | 1.7% |
| State House District 35 | 0.2% |
Voting precincts
20 voting precincts overlap ZIP 97123. 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:97123")
ZIP 97123 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.