Harris County Voter Data & List Services
The Most Complete Voter Data Available for Texas
Full registered voter file for Harris County — Democrats, Republicans, and independents — with email and phone append services included.
Harris County Voter Outreach — Complete Resource Center
4.8M+
Registered Voters in Harris County Alone
Harris County is the third-largest county in the United States. Our voter data team maintains a continuously updated voter file with appended emails and phone numbers, giving your campaign the most accurate contact data available. We have data for all of the counties in Texas and work not only in local but also in state and federal elections.
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What's in the Our Voter Files
Core Voter Records
- ✓Full legal name
- ✓Registered address
- ✓Party affiliation (Democrat / Republican / Other)
- ✓Precinct and district assignment
- ✓Voting history (last 4 elections)
- ✓Registration date
- ✓Voter status (active/inactive)
Appended Data Fields
- ✓Verified email address
- ✓Mobile phone number
- ✓Landline phone number
- ✓Age and gender (where available)
- ✓Ethnicity / language preference (optional)
- ✓Homeowner status
- ✓Income bracket estimate
Custom Segment Pulls
Filter by party, precinct, voting history, age range, gender, or any combination of fields.
Email Appending
Match voter names and addresses to our email database. Typical 60–75% match rate on Harris County voter records.
Phone Appending
Add mobile and landline phone numbers to voter records. Critical for SMS and robocall campaign deployment.
List Hygiene
Bounce removal, deduplication, format standardization, and NCOA address correction included.
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Getting Your Voter Data Is Simple
Tell us your segment requirements — we handle the rest.
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Voter Data FAQs
Yes. The Texas voter file is public record maintained by the and Secretary of State. GPS licenses, cleans, and augments this data to provide the most complete contact file available.
Our Harris County voter file is refreshed weekly from official county records. Email and phone append data is updated monthly.
Yes. Party affiliation is a field in the Harris County voter file. We can provide separate Democrat, Republican, or unaffiliated segments.
We deliver data in CSV, Excel, or any format compatible with your email, SMS, or CRM platform. Salesforce, ActBlue, NGP VAN, and NationBuilder integrations available.
No. Voter data is licensed for campaign use only and may not be resold. Data is provided for a single campaign cycle.
Our Harris County email append averages 60–75% match rate, depending on voter age and registration recency. Phone match rates are typically 65–80%.
Get Your Harris County Voter List
Tell us your district and party targets — we’ll deliver a clean, appended voter file within 48 hours.
No commitment. No pressure. Just strategy. — 832-367-2129