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Data & Research

Data Central

Real-time voter data at your fingertips. Our exclusive Data Central section provides real-time info on voter registration, party info, city breakdowns, vote totals, and more.

Election Library

If you are looking for data, reports, brochures, or election law documents, this is the place to go.

Interactive Mapping Tool

Our Interactive Mapping Tool provides a user-friendly visual representation of the election results in Orange County. The tool offers various customization options to easily explore and analyze the results of elections by contests, precincts, and voting methods in a map format.

Past Elections

See below for detailed past election results and information. You can find legal notices, schedules, ballot information, and candidate info in this section.

Past Election Results

View detailed results from past elections.

Past Election Information

View information about past elections.

Voting Trends

View information about changes in voting trends.

Purchase Voter Data

We offer data for purchase to qualified individuals and organizations. In addition, we offer voter maps in electronic or printed formats.

Maps & GIS

Using our maps & GIS page, you can find your districts, and download or request a variety of maps and shape files. Additionally, the new boundaries for Congressional, State Senate, State Assembly, State Board of Equalization, and County Board of Supervisors are currently available.

View Data Visualizations

Click the image below to examine voter and election data trends in visual form, powered by Microsoft BI.


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