| Accepted Challenges to 2004 Population Estimates | ||||
| Area | State | Challenge Acceptance date |
Original 7/1/2004 population estimate |
Revised 7/1/2004 population estimate |
| Palm Coast city | FL | 7/11/2005 | 44,427 | 51,208 |
| St. Louis city | MO | 8/24/2005 | 343,279 | 350,705 |
| Sugar City | ID | 8/24/2005 | 765 | 1,448 |
| Lehi city | UT | 9/8/2005 | 25,665 | 27,633 |
| Logan city | UT | 9/13/2005 | 45,517 | 45,795 |
| Arlington County | VA | 9/16/2005 | 186,117 | 197,955 |
| Huntsville city | AL | 9/21/2005 | 164,146 | 164,570 |
| Pocatello city | ID | 9/21/2005 | 50,723 | 52,910 |
| Hoffman Estates village | IL | 9/26/2005 | 49,823 | 51,496 |
| Kings County | NY | 9/27/2005 | 2,475,290 | 2,497,859 |
| New York City | NY | 9/27/2005 | 8,104,079 | 8,168,338 |
| New York County | NY | 9/27/2005 | 1,562,723 | 1,590,911 |
| Queens County | NY | 9/27/2005 | 2,237,216 | 2,250,718 |
| Fulton County | GA | 9/30/2005 | 814,438 | 905,802 |
| Charlottesville city | VA | 10/3/2005 | 36,605 | 40,745 |
| Eagle Mountain town | UT | 10/3/2005 | 8,190 | 8,760 |
| Great Bend city | KS | 10/3/2005 | 14,851 | 15,441 |
| Brigham City | UT | 10/4/2005 | 17,149 | 18,279 |
| Lee County | NC | 10/4/2005 | 49,162 | 54,417 |
| Lindon city | UT | 10/4/2005 | 8,489 | 9,410 |
| Payson city | UT | 10/4/2005 | 14,542 | 15,990 |
| Provo city | UT | 10/4/2005 | 99,624 | 111,718 |
| Spanish Fork city | UT | 10/4/2005 | 22,839 | 25,528 |
| Santaquin city | UT | 10/7/2005 | 5,815 | 6,545 |
| Alexandria city | VA | 10/13/2005 | 128,206 | 136,365 |
| Cedar Hills city | UT | 10/13/2005 | 5,813 | 6,661 |
| Baltimore city | MD | 10/17/2005 | 636,251 | 641,943 |
| Baltimore city | MD | 12/8/2006 | 636,251 | 641,004 |
| Fountain city | CO | 10/17/2005 | 15,663 | 18,807 |
| Mantua township, Gloucester County | NJ | 10/17/2005 | 14,290 | 14,846 |
| Utah County | UT | 10/17/2005 | 403,352 | 429,166 |
| Alpine city | UT | 10/18/2005 | 7,896 | 8,695 |
| East Point city | GA | 10/21/2005 | 35,457 | 40,707 |
| Blue Spring city | MO | 10/26/2005 | 49,467 | 51,910 |
| Hastings city | NE | 10/26/2005 | 23,404 | 25,107 |
| Jefferson County | NY | 10/26/2005 | 111,467 | 114,424 |
| Springville City | UT | 11/2/2005 | 21,507 | 24,448 |
| Mountain Park City | GA | 11/2/2005 | 492 | 555 |
| New Bern City | NC | 11/9/2005 | 23,368 | 25,684 |
