Federal tax returns are due April 15th, 2019. See the chart below for state return due dates.
| State | Filing Deadline |
| Alabama | April 15 |
| Alaska | Does not assess income tax |
| Arizona | April 15 |
| Arkansas | April 15 |
| California | April 15 |
| Colorado | April 15 |
| Connecticut | April 15 |
| Delaware | April 30 |
| District of Columbia | April 15 |
| Florida | Does not assess income tax |
| Georgia | April 15 |
| Hawaii | April 20 |
| Idaho | April 15 |
| Illinois | April 15 |
| Indiana | April 15 |
| Iowa | April 30 |
| Kansas | April 15 |
| Kentucky | April 15 |
| Louisiana | May 16 |
| Maine | April 15 |
| Maryland | April 15 |
| Massachusetts | April 15 |
| Michigan | April 15 |
| Minnesota | April 15 |
| Mississippi | April 15 |
| Missouri | April 15 |
| Montana | April 15 |
| Nebraska | April 15 |
| Nevada | Does not assess income tax |
| New Hampshire | April 15 |
| New Jersey | April 15 |
| New Mexico | April 15 |
| New York | April 15 |
| North Carolina | April 15 |
| North Dakota | April 15 |
| Ohio | April 15 |
| Oklahoma | April 15 |
| Oregon | April 15 |
| Pennsylvania | April 15 |
| Rhode Island | April 15 |
| South Carolina | April 15 |
| South Dakota | Does not assess income tax |
| Tennessee | April 15 |
| Texas | Does not assess income tax |
| Utah | April 15 |
| Vermont | April 15 |
| Virginia | May 1 |
| Washington | Does not assess income tax |
| West Virginia | April 15 |
| Wisconsin | April 15 |
| Wyoming | Does not assess income tax |