The resident population of U.S is 318,301,008 as of July 1, 2014.
| Resident | 318,301,008 |
| Resident Plus Armed Forces Overseas | 318,576,955 |
| Civilian | 317,075,077 |
| Noninstitutionalized Civilian | 313,121,454 |
| Household | 310,196,991 |
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 (38,596,972), and the least is Wyoming (582,531) as of July 1, 2014. The below table shows all states population in 2014 [1].
| State | Population |
| Alabama | 4,841,799 |
| Alaska | 736,283 |
| Arizona | 6,730,413 |
| Arkansas | 2,967,392 |
| California | 38,596,972 |
| Colorado | 5,350,101 |
| Connecticut | 3,594,524 |
| Delaware | 932,487 |
| District of Columbia | 662,328 |
| Florida | 19,845,911 |
| Georgia | 10,067,278 |
| Hawaii | 1,414,538 |
| Idaho | 1,631,112 |
| Illinois | 12,884,493 |
| Indiana | 6,593,644 |
| Iowa | 3,109,350 |
| Kansas | 2,900,475 |
| Kentucky | 4,414,349 |
| Louisiana | 4,644,013 |
| Maine | 1,330,513 |
| Maryland | 5,957,283 |
| Massachusetts | 6,762,596 |
| Michigan | 9,929,848 |
| Minnesota | 5,451,079 |
| Mississippi | 2,990,468 |
| Missouri | 6,056,202 |
| Montana | 1,021,869 |
| Nebraska | 1,879,321 |
| Nevada | 2,817,628 |
| New Hampshire | 1,333,341 |
| New Jersey | 8,864,525 |
| New Mexico | 2,089,568 |
| New York | 19,651,049 |
| North Carolina | 9,932,887 |
| North Dakota | 737,401 |
| Ohio | 11,602,700 |
| Oklahoma | 3,878,187 |
| Oregon | 3,963,244 |
| Pennsylvania | 12,788,313 |
| Rhode Island | 1,055,936 |
| South Carolina | 4,823,617 |
| South Dakota | 849,129 |
| Tennessee | 6,541,223 |
| Texas | 26,964,333 |
| Utah | 2,936,879 |
| Vermont | 625,214 |
| Virginia | 8,310,993 |
| Washington | 7,054,655 |
| West Virginia | 1,849,489 |
| Wisconsin | 5,751,525 |
| Wyoming | 582,531 |