Jefferson, Oregon
Jefferson is a city in Marion County, Oregon, with 3,327 residents in 2020. It is in Oregon's 6th congressional district. Its state senate district is State Senate District 6; its state house district is State House District 11.
County
| County | Share of residents |
|---|---|
| Marion County | 100% |
Congressional district
| Congressional district | Share of residents |
|---|---|
| Oregon's 6th congressional district (OR-06) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (OR-06) | Andrea Salinas (D) | 202-225-5643 | 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 6) | Cedric Hayden (R) | 100% | |
| State Representative (State House District 11) | Jami Cate (R) | 100% |
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
- Jefferson website: http://city.jeffersonoregon.us
- Jefferson laws: search for the Jefferson, Oregon code of ordinances
- Marion County website: http://www.co.marion.or.us
- Marion County laws: search for the Marion County, Oregon code of ordinances
State legislative districts
| State senate district | Share of residents |
|---|---|
| State Senate District 6 | 100% |
| State house district | Share of residents |
|---|---|
| State House District 11 | 100% |
ZIP codes
Percentages mark ZIPs only partly in Jefferson: the share of that ZIP's residents living in it.
- 97352 (54%)
Get this in your AI agent
Your agent can get Jefferson'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:4137250")
Jefferson 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.