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Voter Data and Maps

Basic Registered Voter Reports

Basic numbers of registered voters by party and precinct information are readily available for all users. If you are interested in more in-depth or longitudinal data, head to the bottom of this page.

Voter Registration Reports

Annual Voter Registration Report

This report includes the voter registration report from January 1, 2026. These reports only include numbers of voters, not voter data, within Benton County.

Current Voter Registration Report

This report includes the most recent voter registration report. Documents are dated by upload. These reports only include numbers of voters by party, not voter data, within Benton County.

Precinct Information

Hands holding an ipad with election maps on the screen

Election Maps

Explore these maps to gain up to date insights into the districts and precincts in Benton County. These maps are an essential component for ensuring integrity and accuracy in our elections. You can also download PDF maps of local municipalities.

Access the interactive map

Download the PDFs »

Precincts and Districts

Reference the districts within precinct splits in order to better understand how ballots are built in Benton County.

Download the precinct splits

How to Order Voter Lists and Reports

The different types of data, available formats and associated costs are listed on the order form linked below. If you need more information, send an email to elections@bentoncountyor.gov or call us at 541-766-6756.

Please note that ORS 247.955 prohibits the use of elector list information for commercial purpose with the exception of resale to candidate or political committees for political purposes.

Data Order Form
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