(Links below lead to Quick Facts for Tennessee Counties: People, Business & Geography at U.S. Census Bureau.)
| Area | 7/1/2008 | 7/1/2007 | 7/1/2006 | 7/1/2005 | 7/1/2004 | 7/1/2003 | 7/1/2002 | 7/1/2001 | 7/1/2000 | Census 2000 |
| Tennessee | 6,214,888 | 6,149,116 | 6,068,306 | 5,983,211 | 5,906,936 | 5,849,563 | 5,799,093 | 5,753,497 | 5,703,094 | 5,689,283 |
|---|---|---|---|---|---|---|---|---|---|---|
| Anderson County | 74,169 | 73,246 | 72,735 | 71,725 | 71,319 | 71,365 | 71,340 | 71,317 | 71,232 | 71,330 |
| Bedford County | 44,696 | 43,855 | 42,903 | 41,826 | 40,759 | 39,851 | 39,098 | 38,502 | 37,815 | 37,586 |
| Benton County | 16,193 | 16,243 | 16,177 | 16,266 | 16,324 | 16,382 | 16,479 | 16,627 | 16,535 | 16,537 |
| Bledsoe County | 13,142 | 13,065 | 12,864 | 12,717 | 12,644 | 12,531 | 12,461 | 12,479 | 12,414 | 12,367 |
| Blount County | 121,511 | 119,602 | 117,748 | 115,152 | 113,033 | 111,073 | 109,499 | 107,926 | 106,217 | 105,823 |
| Bradley County | 96,472 | 95,275 | 93,596 | 92,185 | 91,105 | 90,044 | 89,525 | 88,840 | 88,195 | 87,965 |
| Campbell County | 40,936 | 40,679 | 40,544 | 40,406 | 40,383 | 39,958 | 39,839 | 39,807 | 39,863 | 39,854 |
| Cannon County | 13,804 | 13,434 | 13,290 | 13,145 | 13,111 | 13,016 | 12,966 | 12,988 | 12,906 | 12,826 |
| Carroll County | 28,719 | 28,843 | 28,784 | 28,711 | 29,111 | 29,214 | 29,218 | 29,514 | 29,477 | 29,475 |
| Carter County | 59,492 | 59,142 | 58,968 | 58,628 | 58,383 | 58,239 | 56,816 | 56,869 | 56,835 | 56,742 |
| Cheatham County | 39,396 | 38,999 | 38,485 | 38,024 | 37,573 | 37,160 | 36,935 | 36,549 | 36,096 | 35,912 |
| Chester County | 16,309 | 16,094 | 15,980 | 15,863 | 15,776 | 15,532 | 15,838 | 15,828 | 15,553 | 15,540 |
| Claiborne County | 31,461 | 31,184 | 30,986 | 30,820 | 30,566 | 30,345 | 30,043 | 30,111 | 29,993 | 29,862 |
| Clay County | 7,794 | 7,847 | 7,942 | 7,933 | 7,939 | 7,910 | 7,937 | 7,936 | 7,983 | 7,976 |
| Cocke County | 35,688 | 35,317 | 35,003 | 34,712 | 34,459 | 34,288 | 33,981 | 33,667 | 33,627 | 33,565 |
| Coffee County | 52,134 | 51,734 | 51,320 | 50,637 | 49,931 | 49,493 | 49,011 | 48,557 | 48,197 | 48,014 |
| Crockett County | 14,186 | 14,183 | 14,175 | 14,279 | 14,324 | 14,288 | 14,453 | 14,532 | 14,549 | 14,532 |
| Cumberland County | 53,590 | 52,932 | 51,984 | 50,870 | 49,894 | 49,092 | 48,598 | 47,693 | 47,024 | 46,802 |
| Davidson County | 626,144 | 620,267 | 614,200 | 607,413 | 597,263 | 588,512 | 582,346 | 578,832 | 570,277 | 569,891 |
| Decatur County | 11,288 | 11,326 | 11,273 | 11,405 | 11,507 | 11,495 | 11,601 | 11,672 | 11,704 | 11,731 |
| DeKalb County | 18,694 | 18,425 | 18,283 | 18,184 | 18,093 | 17,916 | 17,713 | 17,524 | 17,449 | 17,423 |
| Dickson County | 47,884 | 47,337 | 46,316 | 45,678 | 45,187 | 44,828 | 44,330 | 43,861 | 43,353 | 43,156 |
| Dyer County | 37,600 | 37,642 | 37,631 | 37,554 | 37,269 | 37,148 | 37,064 | 37,107 | 37,321 | 37,279 |
| Fayette County | 38,173 | 37,135 | 35,730 | 33,993 | 33,140 | 32,026 | 31,019 | 30,192 | 29,100 | 28,806 |
| Fentress County | 17,667 | 17,376 | 17,295 | 17,022 | 16,848 | 16,849 | 16,820 | 16,696 | 16,639 | 16,625 |
| Franklin County | 41,165 | 41,099 | 40,734 | 40,523 | 40,357 | 40,151 | 39,975 | 39,638 | 39,330 | 39,270 |
| Gibson County | 49,257 | 48,511 | 48,038 | 47,851 | 47,786 | 47,686 | 47,908 | 48,000 | 48,157 | 48,152 |
| Giles County | 29,184 | 28,988 | 29,066 | 29,067 | 29,058 | 29,134 | 29,371 | 29,563 | 29,468 | 29,447 |
| Grainger County | 22,708 | 22,528 | 22,336 | 22,090 | 21,699 | 21,412 | 21,079 | 20,831 | 20,737 | 20,659 |
| Greene County | 66,157 | 65,846 | 65,363 | 64,795 | 64,103 | 63,628 | 63,402 | 63,262 | 63,037 | 62,909 |
| Grundy County | 14,220 | 14,258 | 14,283 | 14,333 | 14,313 | 14,230 | 14,257 | 14,222 | 14,333 | 14,332 |
| Hamblen County | 62,132 | 61,565 | 60,538 | 59,847 | 59,091 | 58,622 | 58,337 | 58,760 | 58,243 | 58,128 |
| Hamilton County | 332,848 | 330,077 | 327,620 | 323,162 | 319,463 | 316,559 | 314,319 | 311,526 | 308,083 | 307,896 |
| Hancock County | 6,693 | 6,717 | 6,638 | 6,698 | 6,648 | 6,625 | 6,748 | 6,785 | 6,781 | 6,786 |
| Hardeman County | 27,848 | 27,836 | 27,781 | 27,808 | 27,813 | 27,894 | 28,076 | 28,130 | 28,132 | 28,105 |
| Hardin County | 26,227 | 26,075 | 25,923 | 25,789 | 25,584 | 25,708 | 25,805 | 25,764 | 25,575 | 25,578 |
| Hawkins County | 57,477 | 56,928 | 56,459 | 55,966 | 55,379 | 55,000 | 54,505 | 54,148 | 53,690 | 53,563 |
| Haywood County | 19,024 | 19,129 | 19,256 | 19,381 | 19,573 | 19,459 | 19,538 | 19,839 | 19,820 | 19,797 |
| Henderson County | 26,916 | 26,687 | 26,472 | 26,149 | 25,902 | 25,838 | 25,773 | 25,664 | 25,581 | 25,522 |
| Henry County | 31,770 | 31,575 | 31,486 | 31,300 | 31,083 | 31,057 | 31,262 | 31,171 | 31,120 | 31,115 |
| Hickman County | 23,841 | 23,753 | 23,513 | 23,376 | 23,385 | 23,071 | 23,053 | 22,704 | 22,437 | 22,295 |
| Houston County | 8,137 | 8,075 | 7,930 | 7,919 | 7,867 | 7,993 | 7,984 | 8,033 | 8,020 | 8,088 |
| Humphreys County | 18,149 | 18,152 | 18,058 | 17,918 | 17,852 | 17,908 | 17,938 | 18,039 | 17,910 | 17,929 |
| Jackson County | 10,847 | 10,789 | 10,818 | 10,978 | 11,066 | 11,075 | 11,089 | 11,114 | 11,031 | 10,984 |
| Jefferson County | 51,074 | 50,154 | 49,041 | 47,861 | 47,254 | 46,686 | 45,724 | 45,160 | 44,582 | 44,294 |
| Johnson County | 18,112 | 18,086 | 17,982 | 18,042 | 17,925 | 17,899 | 17,724 | 17,672 | 17,517 | 17,499 |
| Knox County | 430,019 | 423,603 | 416,014 | 408,809 | 402,830 | 398,571 | 392,723 | 387,712 | 383,028 | 382,032 |
| Lake County | 7,323 | 7,407 | 7,433 | 7,514 | 7,619 | 7,832 | 7,884 | 7,956 | 7,940 | 7,954 |
| Lauderdale County | 26,692 | 26,681 | 26,573 | 26,549 | 26,607 | 26,887 | 27,060 | 27,160 | 27,063 | 27,101 |
| Lawrence County | 40,954 | 40,881 | 40,593 | 40,655 | 40,495 | 40,469 | 40,494 | 39,994 | 39,962 | 39,926 |
| Lewis County | 11,564 | 11,560 | 11,454 | 11,333 | 11,372 | 11,397 | 11,393 | 11,393 | 11,373 | 11,367 |
| Lincoln County | 33,116 | 32,665 | 32,372 | 32,118 | 31,765 | 31,747 | 31,617 | 31,565 | 31,400 | 31,340 |
| Loudon County | 46,445 | 45,363 | 44,281 | 43,194 | 42,115 | 41,389 | 40,732 | 39,963 | 39,214 | 39,086 |
| Macon County | 21,838 | 21,559 | 21,421 | 21,208 | 21,110 | 20,882 | 20,762 | 20,808 | 20,445 | 20,386 |
| Madison County | 96,376 | 96,296 | 96,016 | 94,800 | 94,139 | 93,669 | 93,457 | 92,960 | 92,015 | 91,837 |
| Marion County | 28,247 | 28,118 | 27,972 | 27,717 | 27,752 | 27,944 | 27,821 | 27,829 | 27,768 | 27,776 |
| Marshall County | 29,731 | 29,142 | 28,570 | 28,022 | 27,727 | 27,396 | 27,274 | 27,124 | 26,877 | 26,767 |
| Maury County | 81,938 | 79,793 | 77,379 | 75,437 | 74,092 | 72,656 | 71,208 | 70,135 | 69,692 | 69,498 |
| McMinn County | 52,511 | 52,051 | 51,574 | 51,024 | 50,448 | 50,240 | 50,028 | 49,775 | 49,170 | 49,015 |
| McNairy County | 25,724 | 25,490 | 25,318 | 25,064 | 24,859 | 24,750 | 24,605 | 24,606 | 24,711 | 24,653 |
| Meigs County | 11,790 | 11,628 | 11,521 | 11,436 | 11,389 | 11,250 | 11,255 | 11,231 | 11,124 | 11,086 |
| Monroe County | 45,648 | 44,733 | 43,742 | 42,846 | 41,849 | 40,858 | 40,227 | 39,566 | 39,176 | 38,961 |
| Montgomery County | 154,756 | 154,402 | 147,961 | 147,495 | 141,247 | 138,752 | 136,699 | 135,659 | 135,219 | 134,768 |
| Moore County | 6,195 | 6,103 | 5,998 | 5,983 | 5,924 | 5,859 | 5,912 | 5,789 | 5,765 | 5,740 |
| Morgan County | 20,404 | 20,351 | 20,082 | 20,054 | 20,028 | 20,069 | 19,997 | 19,966 | 19,776 | 19,757 |
| Obion County | 31,375 | 31,497 | 31,569 | 31,809 | 32,050 | 32,125 | 32,213 | 32,291 | 32,486 | 32,450 |
| Overton County | 20,975 | 20,954 | 20,721 | 20,449 | 20,365 | 20,064 | 20,213 | 20,183 | 20,171 | 20,118 |
| Perry County | 7,753 | 7,675 | 7,591 | 7,587 | 7,593 | 7,618 | 7,542 | 7,496 | 7,637 | 7,631 |
| Pickett County | 4,801 | 4,767 | 4,780 | 4,813 | 4,839 | 4,917 | 5,020 | 4,962 | 4,930 | 4,945 |
| Polk County | 15,671 | 15,635 | 15,729 | 15,755 | 15,784 | 15,973 | 16,014 | 16,221 | 16,105 | 16,050 |
| Putnam County | 71,160 | 69,758 | 68,631 | 67,000 | 65,941 | 64,960 | 64,161 | 63,209 | 62,501 | 62,315 |
| Rhea County | 30,781 | 30,287 | 30,054 | 29,693 | 29,307 | 29,142 | 28,805 | 28,566 | 28,432 | 28,400 |
| Roane County | 53,430 | 53,306 | 53,040 | 52,569 | 52,633 | 52,410 | 52,099 | 52,048 | 51,943 | 51,910 |
| Robertson County | 64,898 | 63,162 | 61,582 | 59,847 | 58,749 | 57,791 | 56,905 | 55,943 | 54,826 | 54,433 |
| Rutherford County | 249,270 | 240,877 | 230,581 | 219,552 | 210,468 | 202,458 | 195,939 | 189,626 | 183,569 | 182,023 |
| Scott County | 22,039 | 21,957 | 21,792 | 21,692 | 21,555 | 21,465 | 21,534 | 21,450 | 21,172 | 21,127 |
| Sequatchie County | 13,580 | 13,360 | 13,033 | 12,694 | 12,350 | 12,032 | 11,762 | 11,533 | 11,422 | 11,370 |
| Sevier County | 84,835 | 83,513 | 81,627 | 79,519 | 77,244 | 75,585 | 74,365 | 73,200 | 71,699 | 71,170 |
| Shelby County | 906,825 | 909,062 | 909,658 | 904,000 | 902,404 | 901,585 | 899,529 | 897,963 | 898,251 | 897,472 |
| Smith County | 19,107 | 18,795 | 18,578 | 18,459 | 18,259 | 18,204 | 18,090 | 17,958 | 17,791 | 17,712 |
| Stewart County | 13,226 | 13,028 | 12,871 | 12,877 | 12,674 | 12,720 | 12,680 | 12,555 | 12,447 | 12,370 |
| Sullivan County | 153,900 | 153,357 | 152,373 | 151,959 | 151,592 | 152,377 | 152,592 | 152,411 | 152,919 | 153,048 |
| Sumner County | 155,474 | 152,411 | 148,303 | 143,727 | 140,802 | 137,910 | 135,980 | 133,610 | 131,156 | 130,449 |
| Tipton County | 58,706 | 57,622 | 56,371 | 55,150 | 53,907 | 53,549 | 53,051 | 52,511 | 51,536 | 51,271 |
| Trousdale County | 7,822 | 7,699 | 7,511 | 7,414 | 7,288 | 7,257 | 7,285 | 7,287 | 7,307 | 7,259 |
| Unicoi County | 17,718 | 17,683 | 17,621 | 17,561 | 17,633 | 17,686 | 17,611 | 17,557 | 17,665 | 17,667 |
| Union County | 19,008 | 18,838 | 18,752 | 18,645 | 18,575 | 18,583 | 18,405 | 18,284 | 17,859 | 17,808 |
| Van Buren County | 5,481 | 5,413 | 5,350 | 5,370 | 5,378 | 5,392 | 5,492 | 5,470 | 5,511 | 5,508 |
| Warren County | 39,842 | 39,646 | 39,399 | 39,196 | 39,057 | 38,980 | 38,632 | 38,651 | 38,396 | 38,276 |
| Washington County | 118,639 | 116,470 | 114,636 | 112,605 | 111,093 | 110,143 | 109,277 | 107,650 | 107,496 | 107,198 |
| Wayne County | 16,614 | 16,620 | 16,674 | 16,700 | 16,766 | 16,849 | 16,970 | 17,031 | 16,833 | 16,842 |
| Weakley County | 33,375 | 33,174 | 33,267 | 33,505 | 33,514 | 33,921 | 34,191 | 34,345 | 34,895 | 34,895 |
| White County | 25,129 | 24,847 | 24,482 | 24,245 | 23,878 | 23,605 | 23,551 | 23,408 | 23,132 | 23,102 |
| Williamson County | 171,452 | 165,690 | 158,866 | 151,871 | 145,775 | 140,661 | 136,234 | 132,194 | 128,085 | 126,638 |
| Wilson County | 109,803 | 106,177 | 103,043 | 99,689 | 96,954 | 94,794 | 93,006 | 91,042 | 89,266 | 88,809 |
Source: Population Division, U.S. Census Bureau