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Oregon State Legislature Official Oregon State Redistricting Site

Oregon Redistricting
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​Welcome to the official Oregon State Redistricting site​. Redistricting is the once-a-decade process of redrawing United State House of Representatives (Congressional) and Oregon State Senate and State House of Representatives (Legislative) district boundaries to account for changes in population. ​​

ESRI Redistricting Software Now Live

The Legislative Assembly has contracted with ESRI to provide the GIS mapping software the committees will be using during redistricting. As part of the contract, this tool is now available to the public to use for free. The tool can be accessed via your web browser using the link in the "Redistricting Software Information" box below. That box also contains training videos and other material. Please Note: the data currently in the system is from 2010 and can only be used for practice. The data from the 2020 Census will be available in August and will be used to draw the new district lines. 

New Census Apportionment Numbers

On April ​​26, 2021 the U.S. Census Bureau ​announced the apportionment results for the 2020 Census. While we now know Oregon's total population, and that Oregon will receive a 6th congressional district, the block-level data used for redistricting will not be available until August. More information related to apportionment can be found on the Census Bureau's website​.​​​​


  • Oregon Resident Population: 4,237,256
  • Average Population per Congressional District: 706,209
  • Average Population per Oregon Senate District: 141,242
  • Average Population per Oregon House District: 70,621
 
  
Counties
  
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Redistricting ApplicationClick here to access the redistricting application 
Getting Started with the SoftwareWritten walk-through manual for learning the software (PDF) 
Supplemental Guide to the Redistricting SoftwareAdvanced topics in the redistricting software (PDF) 
Video 1: Getting StartedLearn how to create an account, log in, and how to open and save a plan 
Video 2: Navigating the InterfaceLearn the basics of navigating and using the software interface 
Video 3: Drawing a DistrictLearn the basics of drawing districts 
Video 4: Data IntroductionLearn about the data included in the redistricting application 
Video 5: Reviewing and Comparing PlansLearn the basics of reviewing and comparing plans 
Video 6: Integrity TestsLearn about integrity tests 
Video 7: Notes and AttachmentsLearn how to add notes and attachments to your plan 
Video 8: GroupsLearn about groups 
Video 9: Sharing, Exporting, and Printing PlansLearn how to share, export, and print a plan 
Video 10: Submitting a PlanLearn about the process of submitting a redistricting plan 
Official ESRI DocumentationESRI's official documentation for the redistricting software 
Data Variables in the SoftwareESRI's description of the data in the redistricting software 
  
Description
  
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2021 Oregon Redistricting Flyer - English
PDF of redistricting flyer in English
2/23/2021 12:49 PM 
2021 Oregon Redistricting Flyer - Spanish
PDF of redistricting flyer in Spanish.
3/6/2021 8:01 PM 
How to Testify Effectively
Short explainer on how to testify to the House and Senate Redistricting Committees during the public input hearings.
3/9/2021 12:54 PM 
Oregon Supreme Court Decision on Redistricting
Opinion modifying redistricting deadlines to account for delay in release of Census data. Revised timeline starts on page 19.
4/10/2021 9:14 AM 
Redistricting Background Brief
Background brief on Oregon's redistricting process compiled by staff from the Legislative Policy and Research Office (LPRO)
2/9/2021 3:54 PM 
Redistricting Staff Presentation
PowerPoint presentation given by staff at the start of the public input hearings.
3/9/2021 12:46 PM 
  
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2021 Oregon Redistricting Flyer - Flyer explaining public input hearing schedule and how to sign up. 
  
Description
  
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Oregon and NCSL Redistricting Updates - May 17, 2021
5/17/2021 
NCSL Redistricting Update - April 20, 2021
4/20/2021 
NCSL Redistricting Update - April 15, 2021
4/19/2021 
NCSL Redistricting Update -March 25, 2021
3/25/2021 
NCSL Redistricting Update - March 3, 2021
3/6/2021 
NCSL Redistricting Update - February 23, 2021
2/23/2021 
U.S. Census Bureau Statment on Redistricting Data Release Delays
2/12/2021 
  
  
  
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Estimated Population Shifts by Oregon State House - Oregon State Senate - and U.S. Congressional districts (2010-20)3/8/2021 
  
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2011 Redistricting Information 
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Biography
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​General Questions: 
Call 833-588-4500 or Email Us​

Staff Contacts: 
Patrick Brennan​, House Committee Analyst
Michael Lantz, Senate Committee Analyst
Kevin Rancik, GIS Specialist
Sean Murphy, Committee Assistant 

Mailing Address:
Oregon​ Legislative Policy and Research Office
Attn: Redistricting Team
900 Court St. NE, Room​ 453​, Salem, OR 97301​

 This site was last updated on May 17, 2021

 

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Senate Committee On RedistrictingThis Committee is made up of members of the Oregon Senate who will review redistricting plans before those plans are approved by the full Legislature. The page includes information on the Committe's membership as well as past and future meetings. 
House Committee on RedistrictingThis Committee is made up of members of the Oregon House who will review redistricting plans before those plans are approved by the full Legislature. The page includes information on the Committe's membership as well as past and future meetings. 
NCSL RedistrictingThe National Conference of State Legislatures (NCSL) is a bipartisan organization representing the 50 state legislatures. Use this link to learn more about the redistricting process and common requirements.   
PSU Population Research Center Portland State University's Population Research Center conducts and maintains research on Oregon's demographics. Use this link to learn more about Oregon's population and how it has changed through history.  
United States Census BureauData obtained through the Census is used to conduct redistricting. Use this link to learn more about the Census and expected delays in the release of data.  
Oregon Constitution, Article 4 - Section 6Oregon Constitutional provisions on redistricting (apportionment) for Oregon House and Senate Districts. 
Oregon Revised Statute 188Oregon statutory provisions on redistricting (apportionment) for United State House districts and Oregon Senate and House districts.  
U.S. ConstitutionArticle 1, Section 2 of the United States Constitution. 
U.S. Constitution14th Amendment to the United States Constitution.