List of U.S. State Census (1920)
| State Name | Code | Year | Population |
|---|---|---|---|
| Alabama | AL | 1920 | 2348174 |
| Alaska | AK | 1920 | 55036 |
| Arizona | AZ | 1920 | 334162 |
| Arkansas | AR | 1920 | 1752204 |
| California | CA | 1920 | 3426861 |
| Colorado | CO | 1920 | 939629 |
| Connecticut | CT | 1920 | 1380631 |
| Delaware | DE | 1920 | 223003 |
| Florida | FL | 1920 | 968470 |
| Georgia | GA | 1920 | 2895832 |
| Hawaii | HI | 1920 | 255912 |
| Idaho | ID | 1920 | 431866 |
| Illinois | IL | 1920 | 6485280 |
| Indiana | IN | 1920 | 2930390 |
| Iowa | IA | 1920 | 2404021 |
| Kansas | KS | 1920 | 1769257 |
| Kentucky | KY | 1920 | 2416630 |
| Louisiana | LA | 1920 | 1798509 |
| Maine | ME | 1920 | 768014 |
| Maryland | MD | 1920 | 1449661 |
| Massachusetts | MA | 1920 | 3852356 |
| Michigan | MI | 1920 | 3668412 |
| Minnesota | MN | 1920 | 2387125 |
| Mississippi | MS | 1920 | 1790618 |
| Missouri | MO | 1920 | 3404055 |
| Montana | MT | 1920 | 548889 |
| Nebraska | NE | 1920 | 1296372 |
| Nevada | NV | 1920 | 77407 |
| New Hampshire | NH | 1920 | 443083 |
| New Jersey | NJ | 1920 | 3155900 |
| New Mexico | NM | 1920 | 360350 |
| New York | NY | 1920 | 10385227 |
| North Carolina | NC | 1920 | 2559123 |
| North Dakota | ND | 1920 | 646872 |
| Ohio | OH | 1920 | 5759394 |
| Oklahoma | OK | 1920 | 2028283 |
| Oregon | OR | 1920 | 783389 |
| Pennsylvania | PA | 1920 | 8720017 |
| Rhode Island | RI | 1920 | 604397 |
| South Carolina | SC | 1920 | 1683724 |
| South Dakota | SD | 1920 | 636547 |
| Tennessee | TN | 1920 | 2337885 |
| Texas | TX | 1920 | 4663228 |
| Utah | UT | 1920 | 449396 |
| Vermont | VT | 1920 | 352428 |
| Virginia | VA | 1920 | 2309187 |
| Washington | WA | 1920 | 1356621 |
| Washington D.C. | DC | 1920 | 437571 |
| West Virginia | WV | 1920 | 1463701 |
| Wisconsin | WI | 1920 | 2632067 |
| Wyoming | WY | 1920 | 194402 |