Congress Merge: Data Tables

Congress Merge price guarantee:  once you become a Congress Merge client
you're price for data will never go up as long as you remain a client.

Postal Service-based congressional zip-to-district table

Capitol version of the congressional zip-to-district table

Congressional information database

State legislative zip-to-district table

State legislator contact tables

Postal Service-based congressional zip-to-district table

 All zip to district tables are range files

We are now offering a very affordable table that matches zip codes to congressional districts for only $450.00 per year. This table is assembled using information from the U.S. Postal Service and is quite accurate, with a margin of error of two to three percent (out of eight gigs of data).  The table, which reflects redistricting in Maine and Texas, is available in text, Access 2000, and dBase IV formats.  The database is updated quarterly and updates are included in the price.  Also included in the price are separate text tables with all the DC contact information for Representatives and Senators, which is updated weekly.  This table is our most popular product.  Call 703-799-1189 to order or send us an email.   Download a sample.

Please see our zip to district Q & A for more information about this table.

Capitol Version of the congressional zip-to-district table

The Capitol version of the congressional zip-to-district table is put together using 15-digit Census Block numbers and zip codes to which a longitude and latitude have been assigned.  It is extremely accurate and a must for organizations that must have pinpoint accuarcyBecause of the cost of the elements used in putting this table together, its cost is $4,000.00 per year.  The table, which reflects redistricting in Maine and Texas, is available in text, Access 2000, and dBase IV formats.  The database is updated quarterly and updates are included in the price.  Also included in the price are separate text tables with all the DC contact information for Representatives and Senators, which is updated weekly.  Call 703-799-1189 to order or send us an emailDownload a sample.

Congressional Information Database

Congress Merge maintains a thorough database on members of Congress. For each senator and representative we have:

  • Capitol suite, phone, fax, e-mail address (for those that have them, some don't), and web site
  • Four top staffers
  • Committee and subcommittee assignments
  • District office information.
  • Biographical data

We update our data frequently, sometimes two or three times a week, to keep our clients as current as possible (please see our Update Policy). This database costs $550.00 per year which includes updates (download a sample).  Call 703-799-1189 to order or send us an email.

State legislature zip-to-district table

The state legislature zip-to-district table is put together using 15-digit Census Block numbers and zip codes to which a longitude and latitude have been assigned.  It is extremely accurate and a must for organizations that must have pinpoint accuarcyBecause of the cost of the elements used in putting this table together, its cost is $7,500.00 per year.  The table, which reflects redistricting in several states, is available in text, Access 2000, and dBase IV formats. The database is updated quarterly and updates are included in the price.  We also offer state specific zip to district tables for Congress and state legislative districts (e.g., just California).  Call 703-799-1189 or send us an email for our state specific prices.

 Download a sample.

State legislator contact tables

The perfect companion to either state zip-to-district tables are our state legislator contact tables.
We have the main contact information for all of the 7,000+ state legislators nationwide. The tables are updated monthly and are available either in text format or Access 2000.  Formatting is similar to our congressional information database formating.  The cost of these tables is only $750.00 per year which includes updates.

Sales of all data products are final.

Please call 703-799-1189 send us an email for information about our data tables or download one or more data samples.
(These samples are from the 107th Congress.)

Download Sample Congressional Zip to District Table
(Access 97).

Download Text (Flat File) Sample Congressional Zip to District Table (field names in first row, tab delimited)

Download Text (Flat File) Sample State Data, legislators and zip-to-district tables. (field names in first row, tab delimited)



Congressional Information data tables update policy
Congress Merge understands that a critical factor in maintaining any database is accurate data. That's why we have an unrivaled update policy:

While Congress is in session all congressional information data clients have the option of receiving a daily update when the following changes occur in:

  • Committee or subcommittee assignments;
  • Office suites;
  • Member status, i.e., a member of Congress leaves office before the expiration of their elected term;
  • Special elections to fill vacant seats;
  • E-mail addresses;
  • Fax numbers;
  • District office information.

Updates also are provided on a weekly basis for those clients whose update needs aren't as immediate.

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