For those who absolutely NEED TO KNOW, here are the 2018 filing deadlines and election dates for all 50 states.
| FILING | |||
| STATE | DEADLINE | PRIMARY | RUNOFF |
| ALABAMA | Feb 9 | June 5 | July 17 |
| ALASKA | June 1 | August 21 | |
| ARIZONA | May 30 | August 28 | |
| ARKANSAS | March 1 | May 22 | June 19 |
| CALIFORNIA | March 9 | June 5 | |
| COLORADO | March 20 | June 26 | |
| CONNECTICUT | June 12 | August 14 | |
| DELAWARE | July 10 | Sept. 6 | |
| FLORIDA | May 4 | August 28 | |
| GEORGIA | March 9 | May 22 | June 24 |
| HAWAII | June 5 | August 11 | |
| IDAHO | March 9 | May 15 | |
| ILLINOIS | Dec. 4, 2017 | March 20 | |
| INDIANA | Feb 9 | May 8 | |
| IOWA | March 16 | June 5 | |
| KANSAS | June 1 | August 7 | |
| KENTUCKY | Jan 30 | May 22 | |
| LOUISIANA | July 20 | Nov 6 | Dec 8 |
| MAINE | March 15 | June 12 | |
| MARYLAND | Feb 27 | June 26 | |
| MASSACHUSETTS | June 5 | Sept 18 | |
| MICHIGAN | April 24 | August 7 | |
| MINNESOTA | June 5 | August 14 | |
| MISSISSIPPI | March 1 | June 5 | June 26 |
| MISSOURI | March 27 | August 7 | |
| MONTANA | March 12 | June 5 | |
| NEBRASKA | March 1 | May 15 | |
| NEVADA | March 16 | June 12 | |
| NEW HAMPSHIRE | June 15 | Sept 11 | |
| NEW JERSEY | TBD | June 5 | |
| NEW MEXICO | March 13 | June 5 | |
| NEW YORK | April 12 | June 26 | |
| NORTH CAROLINA | Feb 28 | May 8 | July 17 |
| NORTH DAKOTA | April 9 | June 12 | |
| OHIO | Feb 7 | May 8 | |
| OKLAHOMA | April 13 | June 26 | Aug 28 |
| OREGON | March 6 | May 15 | |
| PENNSYLVANIA | March 6 | May 15 | |
| RHODE ISLAND | June 27 | Sept 12 | |
| SOUTH CAROLINA | March 30 | June 12 | June 26 |
| SOUTH DAKOTA | March 27 | June 5 | Aug 14 |
| TENNESSEE | April 5 | August 2 | |
| TEXAS | Dec 11, 2017 | March 6 | May 22 |
| UTAH | March 15 | June 26 | |
| VERMONT | May 31 | August 14 | |
| VIRGINIA | TBD | June 12 | |
| WASHINGTON | May 18 | August 7 | |
| WEST VIRGINIA | Jan. 27 | May 8 | |
| WISCONSIN | June 1 | August 14 | |
| WYOMING | June 1 | August 21 |
