2006 Primary Elections Calendar
List by State
| Date | State | Event |
| February 28, 2006 | NY | Special elections for State Senate and Assembly |
| March 7, 2006 | TX | Primary (Senate and Governor) |
| March 21, 2006 | IL | Primary (Governor) |
| April 4, 2006 | WI | Special election (Iraq war local referenda) |
| April 11, 2006 | TX | Runoff |
| April 11, 2006 | CA | California special primary (U.S. House 50) |
| April 22, 2006 | LA | Louisiana municipal primary (New Orleans Mayor) |
| May 2, 2006 | IN | Primary (Senate) |
| May 2, 2006 | NC | Primary |
| May 2, 2006 | OH | Primary (Senate and Governor) |
| May 9, 2006 | NE | Primary (Senate and Governor) |
| May 9, 2006 | WV | Primary (Senate) |
| May 16, 2006 | KY | Primary |
| May 16, 2006 | OR | Primary (Governor) |
| May 16, 2006 | PA | Primary (Senate and Governor) |
| May 23, 2006 | AR | Primary (Governor) |
| May 23, 2006 | ID | Primary (Governor) |
| May 30, 2006 | NC | Runoff |
| June 6, 2006 | AL | Primary (Governor) |
| June 6, 2006 | IA | Primary (Governor) |
| June 6, 2006 | MS | Primary (Senate) |
| June 6, 2006 | MT | Primary (Senate) |
| June 6, 2006 | NJ | Primary (Senate) |
| June 6, 2006 | NM | Primary (Senate and Governor) |
| June 6, 2006 | SD | Primary (Governor) |
| June 6, 2006 | CA | Primary (Senate and Governor) |
| June 13, 2006 | AR | Runoff |
| June 13, 2006 | ME | Primary (Senate and Governor) |
| June 13, 2006 | ND | Primary (Senate) |
| June 13, 2006 | SC | Primary (Governor) |
| June 13, 2006 | VA | Primary (Senate) |
| June 20, 2006 | SD | Runoff |
| June 27, 2006 | AL | Runoff |
| June 27, 2006 | MS | Runoff |
| June 27, 2006 | SC | Runoff |
| June 27, 2006 | UT | Primary (Senate) |
| July 18, 2006 | GA | Primary (Governor) |
| July 25, 2006 | OK | Primary (Governor) |
| August 1, 2006 | KS | Primary (Governor) |
| August 3, 2006 | TN | Primary (Senate and Governor) |
| August 8, 2006 | CO | Primary (Governor) |
| August 8, 2006 | CT | Primary (Senate and Governor) |
| August 8, 2006 | GA | Runoff |
| August 8, 2006 | MI | Primary (Senate and Governor) |
| August 8, 2006 | MO | Primary (Senate) |
| August 15, 2006 | NV | Primary (Senate and Governor) |
| August 22, 2006 | AK | Primary (Governor) |
| August 22, 2006 | OK | Runoff |
| August 22, 2006 | WY | Primary (Senate and Governor) |
| September 5, 2006 | FL | Primary (Senate and Governor) |
| September 12, 2006 | DE | Primary (Senate) |
| September 12, 2006 | AZ | Primary (Senate and Governor) |
| September 12, 2006 | DC | Primary |
| September 12, 2006 | MD | Primary (Senate and Governor) |
| September 12, 2006 | MN | Primary (Senate and Governor) |
| September 12, 2006 | NH | Primary (Governor) |
| September 12, 2006 | NY | Primary (Senate and Governor) |
| September 12, 2006 | RI | Primary (Senate and Governor) |
| September 12, 2006 | VT | Primary (Senate and Governor) |
| September 12, 2006 | WI | Primary (Senate and Governor) |
| September 19, 2006 | MA | Primary (Senate and Governor) |
| September 19, 2006 | WA | Primary (Senate) |
| September 23, 2006 | HI | Primary (Senate and Governor) |
| September 30, 2006 | LA | Primary |
| October 3, 2006 | FL | Runoff |
| November 7, 2006 | US | General Election |
State List
| State | Date | Event |
| AK | August 22, 2006 | Primary (Governor) |
| AL | June 6, 2006 | Primary (Governor) |
| AL | June 27, 2006 | Runoff |
| AR | May 23, 2006 | Primary (Governor) |
| AR | June 13, 2006 | Runoff |
| AZ | September 12, 2006 | Primary (Senate and Governor) |
| CA | April 11, 2006 | California special primary (U.S. House 50) |
| CA | June 6, 2006 | Primary (Senate and Governor) |
| CO | August 8, 2006 | Primary (Governor) |
| CT | August 8, 2006 | Primary (Senate and Governor) |
| DC | September 12, 2006 | Primary |
| DE | September 12, 2006 | Primary (Senate) |
| FL | September 5, 2006 | Primary (Senate and Governor) |
| FL | October 3, 2006 | Runoff |
| GA | July 18, 2006 | Primary (Governor) |
| GA | August 8, 2006 | Runoff |
| HI | September 23, 2006 | Primary (Senate and Governor) |
| IA | June 6, 2006 | Primary (Governor) |
| ID | May 23, 2006 | Primary (Governor) |
| IL | March 21, 2006 | Primary (Governor) |
| IN | May 2, 2006 | Primary (Senate) |
| KS | August 1, 2006 | Primary (Governor) |
| KY | May 16, 2006 | Primary |
| LA | April 22, 2006 | Louisiana municipal primary (New Orleans Mayor) |
| LA | September 30, 2006 | Primary |
| MA | September 19, 2006 | Primary (Senate and Governor) |
| MD | September 12, 2006 | Primary (Senate and Governor) |
| ME | June 13, 2006 | Primary (Senate and Governor) |
| MI | August 8, 2006 | Primary (Senate and Governor) |
| MN | September 12, 2006 | Primary (Senate and Governor) |
| MO | August 8, 2006 | Primary (Senate) |
| MS | June 6, 2006 | Primary (Senate) |
| MS | June 27, 2006 | Runoff |
| MT | June 6, 2006 | Primary (Senate) |
| NC | May 2, 2006 | Primary |
| NC | May 30, 2006 | Runoff |
| ND | June 13, 2006 | Primary (Senate) |
| NE | May 9, 2006 | Primary (Senate and Governor) |
| NH | September 12, 2006 | Primary (Governor) |
| NJ | June 6, 2006 | Primary (Senate) |
| NM | June 6, 2006 | Primary (Senate and Governor) |
| NV | August 15, 2006 | Primary (Senate and Governor) |
| NY | February 28, 2006 | Special elections for State Senate and Assembly |
| NY | September 12, 2006 | Primary (Senate and Governor) |
| OH | May 2, 2006 | Primary (Senate and Governor) |
| OK | July 25, 2006 | Primary (Governor) |
| OK | August 22, 2006 | Runoff |
| OR | May 16, 2006 | Primary (Governor) |
| PA | May 16, 2006 | Primary (Senate and Governor) |
| RI | September 12, 2006 | Primary (Senate and Governor) |
| SC | June 13, 2006 | Primary (Governor) |
| SC | June 27, 2006 | Runoff |
| SD | June 6, 2006 | Primary (Governor) |
| SD | June 20, 2006 | Runoff |
| TN | August 3, 2006 | Primary (Senate and Governor) |
| TX | March 7, 2006 | Primary (Senate and Governor) |
| TX | April 11, 2006 | Runoff |
| US | November 7, 2006 | General Election |
| UT | June 27, 2006 | Primary (Senate) |
| VA | June 13, 2006 | Primary (Senate) |
| VT | September 12, 2006 | Primary (Senate and Governor) |
| WA | September 19, 2006 | Primary (Senate) |
| WI | April 4, 2006 | Special election (Iraq war local referenda) |
| WI | September 12, 2006 | Primary (Senate and Governor) |
| WV | May 9, 2006 | Primary (Senate) |
| WY | August 22, 2006 | Primary (Senate and Governor) |
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