Home » Data Append » Political & Donor
Political and donor data appends from $0.02 per matched record, with match rates of up to 90% and a free match audit before you order.
The Data Group’s political and donor data append services fill gaps in contact information, update outdated phone numbers and email addresses, and add political district and wealth screening information to your existing voter or donor records.
Appends start at $0.02 per matched record. Pay only for successful matches.
Send us a sample of your file and we’ll show you the expected match rate and price before you order.
Append high/mid-dollar donor tiers and donor frequency alongside high-active and multi-engaged voter scores.
Add household net worth, estimated income, home value, and credit rating to instantly prioritize top prospects.
Layer on specific mission affinities (veterans, green initiatives, youth) and issue views (healthcare, economy, education) to personalize outreach
Mobile and landline phone numbers with active line-type verification
Verified email addresses and hashed identifiers (MD5, SHA1, and SHA2) for digital matching
Updated mailing addresses through USPS National Change of Address (NCOA) and CASS processing
Political district, precinct, and legislative boundary markers
These political data appends give campaigns, PACs, and advocacy groups complete, actionable records without the expense of building a new database from scratch.
Each record is matched and geocoded to the appropriate geographic area, adding district and precinct identifiers that help campaigns organize targeted voter outreach across local, state, and federal constituencies.
Data appends cost for donor search projects depends on the information you need, the size of your file, and how many records match successfully. Our data appends start at just $0.02 per matched record with no ongoing platform fees or monthly retainers, making donor database enhancement predictable and cost-effective.
See our donor data pricing or explore our dedicated donor data services.
For 10,000 records with a 90% match rate, adding phone numbers and verified email addresses would return 9,000 matches. At $0.04 per match, the estimated cost would be $360. Actual match rates and costs vary by file.
For more information, see our data append pricing.
A political data append adds missing or updated contact information to current voter and supporter records. Common additions include mobile and landline numbers, verified email addresses, mailing addresses, and political district details. The Data Group matches your records against voter files and consumer databases to append available information.
Political data append services start at $0.02 per match. Phone number appends cost an additional $0.01 per match, and verified email appends cost another $0.01 per match. The minimum order is $199. Bulk pricing and discounts are available for high-volume orders.
A political data append adds missing contact information, such as phone numbers, email addresses, and mailing addresses, to existing records. A political district append adds geographic details, including Federal Congressional districts, State Senate and Assembly districts, and voting precincts. Both services work with your database but add different types of information.
Yes. The Data Group provides data append services for nonprofit organizations and fundraising teams. Donor files can be matched with wealth screening data, asset indicators, and giving histories to add information about donors’ financial capacity and past contributions.
Accuracy depends on the quality of the records you provide, but email and cell phone match rates reach up to 90% on well-populated files. All addresses are CASS-certified and NCOA-standardized, while phone and email data undergo multi-point deliverability verification. We operate within a secure SOC 2 Type II-compliant environment, strictly respect consumer suppression files, and honor data protection standards.
Send us a sample of your voter or donor file and we’ll evaluate your records at no cost, so you know the expected match rate and price before you place an order.
