The resident population of U.S is 322,941,311 as of July 1, 2016.
| Resident | 322,941,311 |
| Resident Plus Armed Forces Overseas | 323,161,011 |
| Civilian | 321,738,826 |
| Noninstitutionalized Civilian | 317,843,286 |
| Household | 314,853,878 |
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 (39,167,117), and the least is Wyoming (584,215) as of July 1, 2016. The below table shows all states population in 2016 [1].
| State | Population |
| Alabama | 4,863,525 |
| Alaska | 741,456 |
| Arizona | 6,941,072 |
| Arkansas | 2,989,918 |
| California | 39,167,117 |
| Colorado | 5,539,215 |
| Connecticut | 3,578,141 |
| Delaware | 948,921 |
| District of Columbia | 685,815 |
| Florida | 20,613,477 |
| Georgia | 10,301,890 |
| Hawaii | 1,427,559 |
| Idaho | 1,682,380 |
| Illinois | 12,820,527 |
| Indiana | 6,634,304 |
| Iowa | 3,131,371 |
| Kansas | 2,910,844 |
| Kentucky | 4,438,182 |
| Louisiana | 4,678,135 |
| Maine | 1,331,317 |
| Maryland | 6,003,323 |
| Massachusetts | 6,823,608 |
| Michigan | 9,950,571 |
| Minnesota | 5,522,744 |
| Mississippi | 2,987,938 |
| Missouri | 6,087,135 |
| Montana | 1,040,859 |
| Nebraska | 1,905,616 |
| Nevada | 2,917,563 |
| New Hampshire | 1,342,307 |
| New Jersey | 8,870,827 |
| New Mexico | 2,091,630 |
| New York | 19,633,428 |
| North Carolina | 10,154,788 |
| North Dakota | 754,434 |
| Ohio | 11,634,370 |
| Oklahoma | 3,926,331 |
| Oregon | 4,089,976 |
| Pennsylvania | 12,782,275 |
| Rhode Island | 1,056,770 |
| South Carolina | 4,957,968 |
| South Dakota | 862,996 |
| Tennessee | 6,646,010 |
| Texas | 27,914,410 |
| Utah | 3,041,868 |
| Vermont | 623,657 |
| Virginia | 8,410,106 |
| Washington | 7,294,771 |
| West Virginia | 1,831,023 |
| Wisconsin | 5,772,628 |
| Wyoming | 584,215 |