List of U.S. State Census (1970)
| State Name | Code | Year | Population |
|---|---|---|---|
| Alabama | AL | 1970 | 3444165 |
| Alaska | AK | 1970 | 300382 |
| Arizona | AZ | 1970 | 1770900 |
| Arkansas | AR | 1970 | 1923295 |
| California | CA | 1970 | 19953134 |
| Colorado | CO | 1970 | 2207259 |
| Connecticut | CT | 1970 | 3031709 |
| Delaware | DE | 1970 | 548104 |
| Florida | FL | 1970 | 6789443 |
| Georgia | GA | 1970 | 4589575 |
| Hawaii | HI | 1970 | 768561 |
| Idaho | ID | 1970 | 712567 |
| Illinois | IL | 1970 | 11113976 |
| Indiana | IN | 1970 | 5193669 |
| Iowa | IA | 1970 | 2824376 |
| Kansas | KS | 1970 | 2246578 |
| Kentucky | KY | 1970 | 3218706 |
| Louisiana | LA | 1970 | 3641306 |
| Maine | ME | 1970 | 992048 |
| Maryland | MD | 1970 | 3922399 |
| Massachusetts | MA | 1970 | 5689170 |
| Michigan | MI | 1970 | 8875083 |
| Minnesota | MN | 1970 | 3804971 |
| Mississippi | MS | 1970 | 2216912 |
| Missouri | MO | 1970 | 4676501 |
| Montana | MT | 1970 | 694409 |
| Nebraska | NE | 1970 | 1483493 |
| Nevada | NV | 1970 | 488738 |
| New Hampshire | NH | 1970 | 737681 |
| New Jersey | NJ | 1970 | 7168164 |
| New Mexico | NM | 1970 | 1016000 |
| New York | NY | 1970 | 18236967 |
| North Carolina | NC | 1970 | 5082059 |
| North Dakota | ND | 1970 | 617761 |
| Ohio | OH | 1970 | 10652017 |
| Oklahoma | OK | 1970 | 2559229 |
| Oregon | OR | 1970 | 2091385 |
| Pennsylvania | PA | 1970 | 11793909 |
| Rhode Island | RI | 1970 | 946725 |
| South Carolina | SC | 1970 | 2590516 |
| South Dakota | SD | 1970 | 665507 |
| Tennessee | TN | 1970 | 3923687 |
| Texas | TX | 1970 | 11196730 |
| Utah | UT | 1970 | 1059273 |
| Vermont | VT | 1970 | 444330 |
| Virginia | VA | 1970 | 4648494 |
| Washington | WA | 1970 | 3409169 |
| Washington D.C. | DC | 1970 | 756510 |
| West Virginia | WV | 1970 | 1744237 |
| Wisconsin | WI | 1970 | 4417731 |
| Wyoming | WY | 1970 | 332416 |