List of U.S. State Census (1990)
| State Name | Code | Year | Population |
|---|---|---|---|
| Alabama | AL | 1990 | 4040587 |
| Alaska | AK | 1990 | 550043 |
| Arizona | AZ | 1990 | 3665228 |
| Arkansas | AR | 1990 | 2350725 |
| California | CA | 1990 | 29760021 |
| Colorado | CO | 1990 | 3294394 |
| Connecticut | CT | 1990 | 3287116 |
| Delaware | DE | 1990 | 666168 |
| Florida | FL | 1990 | 12937926 |
| Georgia | GA | 1990 | 6478216 |
| Hawaii | HI | 1990 | 1108229 |
| Idaho | ID | 1990 | 1006749 |
| Illinois | IL | 1990 | 11430602 |
| Indiana | IN | 1990 | 5544159 |
| Iowa | IA | 1990 | 2776755 |
| Kansas | KS | 1990 | 2477574 |
| Kentucky | KY | 1990 | 3685296 |
| Louisiana | LA | 1990 | 4219973 |
| Maine | ME | 1990 | 1227928 |
| Maryland | MD | 1990 | 4781468 |
| Massachusetts | MA | 1990 | 6016425 |
| Michigan | MI | 1990 | 9295297 |
| Minnesota | MN | 1990 | 4375099 |
| Mississippi | MS | 1990 | 2573216 |
| Missouri | MO | 1990 | 5117073 |
| Montana | MT | 1990 | 799065 |
| Nebraska | NE | 1990 | 1578385 |
| Nevada | NV | 1990 | 1201833 |
| New Hampshire | NH | 1990 | 1109252 |
| New Jersey | NJ | 1990 | 7730188 |
| New Mexico | NM | 1990 | 1515069 |
| New York | NY | 1990 | 17990455 |
| North Carolina | NC | 1990 | 6628637 |
| North Dakota | ND | 1990 | 638800 |
| Ohio | OH | 1990 | 10847115 |
| Oklahoma | OK | 1990 | 3145585 |
| Oregon | OR | 1990 | 2842321 |
| Pennsylvania | PA | 1990 | 11881643 |
| Rhode Island | RI | 1990 | 1003464 |
| South Carolina | SC | 1990 | 3486703 |
| South Dakota | SD | 1990 | 696004 |
| Tennessee | TN | 1990 | 4877185 |
| Texas | TX | 1990 | 16986510 |
| Utah | UT | 1990 | 1722850 |
| Vermont | VT | 1990 | 562758 |
| Virginia | VA | 1990 | 6187358 |
| Washington | WA | 1990 | 4866692 |
| Washington D.C. | DC | 1990 | 606900 |
| West Virginia | WV | 1990 | 1793477 |
| Wisconsin | WI | 1990 | 4891769 |
| Wyoming | WY | 1990 | 453588 |