The resident population of U.S is 324,985,539 as of July 1, 2017.
| Resident | 324,985,539 |
| Resident Plus Armed Forces Overseas | 325,206,030 |
| Civilian | 323,794,924 |
| Noninstitutionalized Civilian | 319,911,489 |
| Household | 316,895,346 |
All the data are sourced from US Census Bureau [48]. The definition of Civilian noninstitutional population: US Department of Labor.
The most populated state is California (39,358,497), and the least is Wyoming (578,931) as of July 1, 2017. The below table shows all states population in 2017 [1].
| State | Population |
| Alabama | 4,874,486 |
| Alaska | 739,700 |
| Arizona | 7,044,008 |
| Arkansas | 3,001,345 |
| California | 39,358,497 |
| Colorado | 5,611,885 |
| Connecticut | 3,573,297 |
| Delaware | 956,823 |
| District of Columbia | 694,906 |
| Florida | 20,963,613 |
| Georgia | 10,410,330 |
| Hawaii | 1,424,393 |
| Idaho | 1,717,715 |
| Illinois | 12,778,828 |
| Indiana | 6,658,078 |
| Iowa | 3,141,550 |
| Kansas | 2,908,718 |
| Kentucky | 4,452,268 |
| Louisiana | 4,670,560 |
| Maine | 1,334,612 |
| Maryland | 6,023,868 |
| Massachusetts | 6,859,789 |
| Michigan | 9,973,114 |
| Minnesota | 5,566,230 |
| Mississippi | 2,988,510 |
| Missouri | 6,106,670 |
| Montana | 1,052,482 |
| Nebraska | 1,915,947 |
| Nevada | 2,969,905 |
| New Hampshire | 1,348,787 |
| New Jersey | 8,885,525 |
| New Mexico | 2,091,784 |
| New York | 19,589,572 |
| North Carolina | 10,268,233 |
| North Dakota | 754,942 |
| Ohio | 11,659,650 |
| Oklahoma | 3,931,316 |
| Oregon | 4,143,625 |
| Pennsylvania | 12,787,641 |
| Rhode Island | 1,055,673 |
| South Carolina | 5,021,268 |
| South Dakota | 872,868 |
| Tennessee | 6,708,799 |
| Texas | 28,295,273 |
| Utah | 3,101,042 |
| Vermont | 624,344 |
| Virginia | 8,463,587 |
| Washington | 7,423,362 |
| West Virginia | 1,817,004 |
| Wisconsin | 5,790,186 |
| Wyoming | 578,931 |