Hillsboro, Oregon
Hillsboro is a city in Washington County, Oregon, with 106,527 residents in 2020. It is in Oregon's 1st congressional district. It spans 3 state senate and 5 state house districts.
County
| County | Share of residents |
|---|---|
| Washington County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Oregon's 1st congressional district (OR-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Beach Pace | 503-681-6219 | citywide |
| U.S. Representative (OR-01) | Suzanne Bonamici (D) | 202-225-0855 | 100% |
| 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) | 81% | |
| State Senator (State Senate District 18) | Wlnsvey Campos (Democratic) | 18% | |
| State Senator (State Senate District 17) | Lisa Reynolds (Democratic) | 0.7% | |
| State Representative (State House District 30) | Nathan Sosa (Democratic) | 56% | |
| State Representative (State House District 29) | Susan McLain (Democratic) | 25% | |
| State Representative (State House District 36) | Hai Pham (Democratic) | 17% | |
| State Representative (State House District 34) | Mari Watanabe (Democratic) | 0.7% | |
| State Representative (State House District 35) | Farrah Chaichi (Democratic) | 0.5% |
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
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 15 | 81% |
| State Senate District 18 | 18% |
| State Senate District 17 | 0.7% |
| State house district | Share of residents |
|---|---|
| State House District 30 | 56% |
| State House District 29 | 25% |
| State House District 36 | 17% |
| State House District 34 | 0.7% |
| State House District 35 | 0.5% |
ZIP codes
Percentages mark ZIPs only partly in Hillsboro: the share of that ZIP's residents living in it.
Get this in your AI agent
Your agent can get Hillsboro's counties and districts with shares, its ZIP codes (level='zcta'), and its boundary as GeoJSON (get_boundaries). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:place:4134100")
Hillsboro here is the Census Bureau's place boundary as of January 1, 2025. Shares are of 2020 Census population. Districts are the maps in force for the November 3, 2026 election.