Boundary Atlas

Portland, Oregon

Portland is a city in Multnomah County (100% of residents), Washington County (0.2%) and Clackamas County (0.1%), Oregon, with 652,503 residents in 2020. It spans 4 congressional districts: OR-03 (68%), OR-01 (24%), OR-05 (7.4%) and OR-06 (0.2%). It spans 9 state senate and 16 state house districts.

652,503residents (2020 Census)
133.5 sq miland area
35ZIP codes
4congressional districts

County

CountyShare of residents
Multnomah County100%
Washington County0.2%
Clackamas County0.1%

Congressional districts

Congressional districtShare of residents
Oregon's 3rd congressional district (OR-03)68%
Oregon's 1st congressional district (OR-01)24%
Oregon's 5th congressional district (OR-05)7.4%
Oregon's 6th congressional district (OR-06)0.2%

Elected officials

OfficeMemberContactShare of residents
MayorKeith Wilson503-823-4120citywide
U.S. Representative (OR-03)Maxine Dexter (D)202-225-481168%
U.S. Representative (OR-01)Suzanne Bonamici (D)202-225-085524%
U.S. Representative (OR-05)Janelle S. Bynum (D)202-225-57117.4%
U.S. Representative (OR-06)Andrea Salinas (D)202-225-56430.2%
U.S. SenatorJeff Merkley (D)202-224-3753 · contact formstatewide
U.S. SenatorRon Wyden (D)202-224-5244 · contact formstatewide

Plus 25 state legislators across 25 districts. Look up an address for the exact ones.

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

State legislative districts

State senate districtShare of residents
State Senate District 2222%
State Senate District 2321%
State Senate District 2418%
State Senate District 2116%
State Senate District 1710.0%
State Senate District 148.2%
State Senate District 194.3%
State Senate District 250.4%
State Senate District 20<0.1%

State house districtShare of residents
State House District 4411%
State House District 4311%
State House District 4211%
State House District 4611%
State House District 4711%
State House District 4511%
State House District 339.8%
State House District 288.1%
State House District 487.7%
State House District 415.0%
State House District 384.3%
State House District 500.2%
State House District 340.2%
State House District 490.1%
State House District 27<0.1%
State House District 39<0.1%

ZIP codes

Percentages mark ZIPs only partly in Portland: the share of that ZIP's residents living in it.

Get this in your AI agent

Your agent can get Portland'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:4159000")

Portland 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.