A list of resources by state (and territory), initiated in response to this issue. Note that many states have request forms for custom data in return for a small fee.
See also: vrdb
This site has a list of sources by state for voter registration counts which may be useful.
Alabama
Alaska
Voter Registration by Precinct/District in HTML (for all dates and other cross sections, see the directory listing)
2004 General Election Results, including precinct and district level information in PDF
American Samoa
Arizona
Voter Registration by county, precinct, and district
2004 Election Results with Presidential tallies available by county. Other years can be queried by replacing "2004" with the desired year in the URL.
Arkansas
Voter Registration by County, simple count (no party breakdown)
2004 Election Results by County
County to District Mapping on page six; congressional districts in Arkansas are a surjective function of counties.
California
Colorado
Voter Registration Statistics by district-party, county, and demographics
2004 Election Results by County
Connecticut
Voter Registration Statistics by "Town"
2004 Election Results by Congressional District
Delaware
- 2004 Election Results by Congressional District
District of Columbia
Florida
- Voter Registration Statistics by county
- 2004 Presidential Election Results by county
Georgia
- 2004 Presidential Election Reults by county
Guam
- 2004 Election Results by precinct
Hawaii
Idaho
- 2004 Election Results by county
Illinois
Indiana
- 2004 Election Results by county or statewide
- note that you can get primary data by district in pdf form.
Iowa
- 2004 Election Results by county & precinct. Turnout statistics also give voter registration data for 2004. All in pdf.
- Voter Registration Statistics by district, county, and school district.
- also in pdf
Kansas
- 2004 Election Results by precinct
- 2004 Voter Reg Statistics by Precinct
- Congressional Districts listed by County
Kentucky
- 2004 Election Results by county.
Louisiana
- Voter Registration Statistics by parish. Includes some other info (e.g. voter race)
- 2004 Election Results by parish.
Maine
- 2004 Election Results by town and district.
- [2006 voter registration information] by town and county.
Maryland
- 2004 Election Results by county. other results on this page include district info, it may be possible to infer district from the county.
Massachusetts
Michigan
- 2004 Election Results by county.
Minnesota
- 2004 Election Results by district!
- Request Form for Voter Information available only to registered Minnesota voters. may or may not give the info we're looking for.
Mississippi
- 2004 Election Results by County. Handwritten!
Missouri
- Does not register voters by party
Montana
Nebraska
Nevada
- "Active Voter" Registration Statistics by Congressional District. See also other cross-sections
- 2004 Election Results by County
New Hampshire
- 2004 Election Results by County
- VoterRegistration by city/town/wardcheck here for updates.
New Jersey
New Mexico
New York
North Carolina
North Dakota
Northern Marianas Islands
Ohio
Oklahoma
Oregon
- Voter Registration by County
- 2004 Election results AND historical Voter Reg info, several cross-sections
Pennsylvania
- Voter Registration by County follow first link to an excel spreadsheet.
- 2004 Election Results by county Only
Puerto Rico
Rhode Island
- 2004 Election Results by Community Providence is the only community split btwn the 2 districts in RI.
South Carolina
South Dakota
- Voter Registration by district
- 2004 Election Results apparently by county
- Surprising note: SD has only one congressional district!
Tennessee
Texas
Utah
Vermont
Virginia
- 2004 Election Results by District
- Voter Registration Statistics, by district but NOT by party