Party: Democrat

First Elected: 2012

2016 Election Results

  • Heck: 58.7%
  • Postma (R): 41.3%



Washington, DC

425 Cannon House Office Building
Washington, DC 20515
phone: 202-225-9740
hours: M-F 9-6:00pm EST

pierce county

6000 Main Street SW
Suite 3B
Lakewood, WA 98499
phone: 253-722-5860
Hours: please call to make an appt

thurston & mason county

420 College Street SE
Suite 3000 / 3rd Floor
Lacey, WA 98503
phone: 360-459-8514
hours: M-F 8-5:00pm PST


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Washington's 10th congressional district was created in the 2012 redistricting. The 10th congressional district is located in the west central portion of the state and includes portions of Thurston, Pierce, and Mason counties. Cities include Olympia, Lacey, Puyallup, Sumner, Fife, University Place, DuPont and Shelton. It is also home to Join Base Lewis-McChord.