| County | Total Population | |||||
| 1990 | 2000 | Difference 1990 to 2000 | Percent Difference 1990 to 2000 | Population Density | ||
| 1990 | 2000 | |||||
| Alamance County | 108,213 | 130,800 | 22,587 | 20.9 | 251.7 | 304.2 |
| Alexander County | 27,544 | 33,603 | 6,059 | 22.0 | 105.9 | 129.2 |
| Alleghany County | 9,590 | 10,677 | 1,087 | 11.3 | 40.9 | 45.5 |
| Anson County | 23,474 | 25,275 | 1,801 | 7.7 | 44.2 | 47.5 |
| Ashe County | 22,209 | 24,384 | 2,175 | 9.8 | 52.1 | 57.2 |
| Avery County | 14,867 | 17,167 | 2,300 | 15.5 | 60.2 | 69.5 |
| Beaufort County | 42,283 | 44,958 | 2,675 | 6.3 | 51.1 | 54.3 |
| Bertie County | 20,388 | 19,773 | -615 | -3.0 | 29.2 | 28.3 |
| Bladen County | 28,663 | 32,278 | 3,615 | 12.6 | 32.8 | 36.9 |
| Brunswick County | 50,985 | 73,143 | 22,158 | 43.5 | 59.6 | 85.6 |
| Buncombe County | 174,821 | 206,330 | 31,509 | 18.0 | 266.5 | 314.5 |
| Burke County | 75,744 | 89,148 | 13,404 | 17.7 | 149.5 | 175.9 |
| Cabarrus County | 98,935 | 131,063 | 32,128 | 32.5 | 271.5 | 359.7 |
| Caldwell County | 70,709 | 77,415 | 6,706 | 9.5 | 149.9 | 164.2 |
| Camden County | 5,904 | 6,885 | 981 | 16.6 | 24.5 | 28.6 |
| Carteret County | 52,556 | 59,383 | 6,827 | 13.0 | 101.1 | 114.2 |
| Caswell County | 20,693 | 23,501 | 2,808 | 13.6 | 48.7 | 55.3 |
| Catawba County | 118,412 | 141,685 | 23,273 | 19.7 | 296.1 | 354.2 |
| Chatham County | 38,759 | 49,329 | 10,570 | 27.3 | 56.8 | 72.2 |
| Cherokee County | 20,170 | 24,298 | 4,128 | 20.5 | 44.3 | 53.4 |
| Chowan County | 13,506 | 14,526 | 1,020 | 7.6 | 78.2 | 84.1 |
| Clay County | 7,155 | 8,775 | 1,620 | 22.6 | 33.3 | 40.9 |
| Cleveland County | 84,714 | 96,287 | 11,573 | 13.7 | 182.3 | 207.2 |
| Columbus County | 49,587 | 54,749 | 5,162 | 10.4 | 52.9 | 58.4 |
| Craven County | 81,613 | 91,436 | 9,823 | 12.0 | 115.2 | 129.1 |
| Cumberland County | 274,566 | 302,963 | 28,397 | 10.3 | 420.7 | 464.2 |
| Currituck County | 13,736 | 18,190 | 4,454 | 32.4 | 52.5 | 69.5 |
| Dare County | 22,746 | 29,967 | 7,221 | 31.7 | 59.3 | 78.1 |
| Davidson County | 126,677 | 147,246 | 20,569 | 16.2 | 229.4 | 266.7 |
| Davie County | 27,859 | 34,835 | 6,976 | 25.0 | 105.1 | 131.4 |
| Duplin County | 39,995 | 49,063 | 9,068 | 22.7 | 48.9 | 60.0 |
| Durham County | 181,835 | 223,314 | 41,479 | 22.8 | 626.3 | 769.2 |
| Edgecombe County | 56,558 | 55,606 | -952 | -1.7 | 112.0 | 110.1 |
| Forsyth County | 265,878 | 306,067 | 40,189 | 15.1 | 649.1 | 747.2 |
| Franklin County | 36,414 | 47,260 | 10,846 | 29.8 | 74.0 | 96.1 |
| Gaston County | 175,093 | 190,365 | 15,272 | 8.7 | 491.5 | 534.4 |
| Gates County | 9,305 | 10,516 | 1,211 | 13.0 | 27.3 | 30.9 |
| Graham County | 7,196 | 7,993 | 797 | 11.1 | 24.6 | 27.4 |
| Granville County | 38,345 | 48,498 | 10,153 | 26.5 | 72.2 | 91.3 |
| Greene County | 15,384 | 18,974 | 3,590 | 23.3 | 58.0 | 71.5 |
| Guilford County | 347,420 | 421,048 | 73,628 | 21.2 | 535.0 | 648.3 |
| Halifax County | 55,516 | 57,370 | 1,854 | 3.3 | 76.5 | 79.1 |
| Harnett County | 67,822 | 91,025 | 23,203 | 34.2 | 114.0 | 153.0 |
| Haywood County | 46,942 | 54,033 | 7,091 | 15.1 | 84.8 | 97.6 |
| Henderson County | 69,285 | 89,173 | 19,888 | 28.7 | 185.3 | 238.4 |
| Hertford County | 22,523 | 22,601 | 78 | 0.3 | 63.8 | 64.0 |
| Hoke County | 22,856 | 33,646 | 10,790 | 47.2 | 58.4 | 86.0 |
| Hyde County | 5,411 | 5,826 | 415 | 7.7 | 8.8 | 9.5 |
| Iredell County | 92,931 | 122,660 | 29,729 | 32.0 | 161.5 | 213.1 |
| Jackson County | 26,846 | 33,121 | 6,275 | 23.4 | 54.7 | 67.5 |
| Johnston County | 81,306 | 121,965 | 40,659 | 50.0 | 102.7 | 154.0 |
| Jones County | 9,414 | 10,381 | 967 | 10.3 | 20.0 | 22.0 |
| Lee County | 41,374 | 49,040 | 7,666 | 18.5 | 160.8 | 190.6 |
| Lenoir County | 57,274 | 59,648 | 2,374 | 4.1 | 143.2 | 149.2 |
| Lincoln County | 50,319 | 63,780 | 13,461 | 26.8 | 168.4 | 213.5 |
| McDowell County | 35,681 | 42,151 | 6,470 | 18.1 | 80.8 | 95.4 |
| Macon County | 23,499 | 29,811 | 6,312 | 26.9 | 45.5 | 57.7 |
| Madison County | 16,953 | 19,635 | 2,682 | 15.8 | 37.7 | 43.7 |
| Martin County | 25,078 | 25,593 | 515 | 2.1 | 54.4 | 55.5 |
| Mecklenburg County | 511,433 | 695,454 | 184,021 | 36.0 | 971.8 | 1,321.5 |
| Mitchell County | 14,433 | 15,687 | 1,254 | 8.7 | 65.2 | 70.8 |
| Montgomery County | 23,346 | 26,822 | 3,476 | 14.9 | 47.5 | 54.6 |
| Moore County | 59,013 | 74,769 | 15,756 | 26.7 | 84.6 | 107.2 |
| Nash County | 76,677 | 87,420 | 10,743 | 14.0 | 141.9 | 161.8 |
| New Hanover County | 120,284 | 160,307 | 40,023 | 33.3 | 604.6 | 805.8 |
| Northampton County | 20,798 | 22,086 | 1,288 | 6.2 | 38.8 | 41.2 |
| Onslow County | 149,838 | 150,355 | 517 | 0.3 | 195.4 | 196.1 |
| Orange County | 93,851 | 118,227 | 24,376 | 26.0 | 234.7 | 295.7 |
| Pamlico County | 11,372 | 12,934 | 1,562 | 13.7 | 33.8 | 38.4 |
| Pasquotank County | 31,298 | 34,897 | 3,599 | 11.5 | 138.0 | 153.8 |
| Pender County | 28,855 | 41,082 | 12,227 | 42.4 | 33.1 | 47.2 |
| Perquimans County | 10,447 | 11,368 | 921 | 8.8 | 42.3 | 46.0 |
| Person County | 30,180 | 35,623 | 5,443 | 18.0 | 76.9 | 90.8 |
| Pitt County | 107,924 | 133,798 | 25,874 | 24.0 | 165.6 | 205.3 |
| Polk County | 14,416 | 18,324 | 3,908 | 27.1 | 60.6 | 77.0 |
| Randolph County | 106,546 | 130,454 | 23,908 | 22.4 | 135.3 | 165.7 |
| Richmond County | 44,518 | 46,564 | 2,046 | 4.6 | 93.9 | 98.2 |
| Robeson County | 105,179 | 123,339 | 18,160 | 17.3 | 110.9 | 130.0 |
| Rockingham County | 86,064 | 91,928 | 5,864 | 6.8 | 151.9 | 162.3 |
| Rowan County | 110,605 | 130,340 | 19,735 | 17.8 | 216.3 | 254.9 |
| Rutherford County | 56,918 | 62,899 | 5,981 | 10.5 | 100.9 | 111.5 |
| Sampson County | 47,297 | 60,161 | 12,864 | 27.2 | 50.0 | 63.6 |
| Scotland County | 33,754 | 35,998 | 2,244 | 6.6 | 105.8 | 112.8 |
| Stanly County | 51,765 | 58,100 | 6,335 | 12.2 | 131.0 | 147.1 |
| Stokes County | 37,223 | 44,711 | 7,488 | 20.1 | 82.4 | 99.0 |
| Surry County | 61,704 | 71,219 | 9,515 | 15.4 | 115.0 | 132.7 |
| Swain County | 11,268 | 12,968 | 1,700 | 15.1 | 21.3 | 24.6 |
| Transylvania County | 25,520 | 29,334 | 3,814 | 14.9 | 67.4 | 77.5 |
| Tyrrell County | 3,856 | 4,149 | 293 | 7.6 | 9.9 | 10.6 |
| Union County | 84,211 | 123,677 | 39,466 | 46.9 | 132.1 | 194.0 |
| Vance County | 38,892 | 42,954 | 4,062 | 10.4 | 153.4 | 169.4 |
| Wake County | 423,380 | 627,846 | 204,466 | 48.3 | 508.9 | 754.7 |
| Warren County | 17,265 | 19,972 | 2,707 | 15.7 | 40.3 | 46.6 |
| Washington County | 13,997 | 13,723 | -274 | -2.0 | 40.2 | 39.4 |
| Watauga County | 36,952 | 42,695 | 5,743 | 15.5 | 118.2 | 136.6 |
| Wayne County | 104,666 | 113,329 | 8,663 | 8.3 | 189.4 | 205.1 |
| Wilkes County | 59,393 | 65,632 | 6,239 | 10.5 | 78.4 | 86.7 |
| Wilson County | 66,061 | 73,814 | 7,753 | 11.7 | 178.0 | 198.9 |
| Yadkin County | 30,488 | 36,348 | 5,860 | 19.2 | 90.9 | 108.3 |
| Yancey County | 15,419 | 17,774 | 2,355 | 15.3 | 49.3 | 56.9 |