(Links below lead to Quick Facts for West Virginia 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 |
| West Virginia | 1,814,468 | 1,809,836 | 1,806,760 | 1,804,020 | 1,803,312 | 1,802,287 | 1,799,392 | 1,798,540 | 1,806,977 | 1,808,344 |
|---|---|---|---|---|---|---|---|---|---|---|
| Barbour County | 15,600 | 15,484 | 15,444 | 15,342 | 15,326 | 15,404 | 15,412 | 15,358 | 15,548 | 15,557 |
| Berkeley County | 102,044 | 99,531 | 96,723 | 92,538 | 88,619 | 84,808 | 81,086 | 78,573 | 76,413 | 75,905 |
| Boone County | 24,977 | 25,186 | 25,142 | 25,318 | 25,463 | 25,551 | 25,523 | 25,391 | 25,491 | 25,535 |
| Braxton County | 14,700 | 14,652 | 14,601 | 14,672 | 14,693 | 14,635 | 14,679 | 14,713 | 14,720 | 14,702 |
| Brooke County | 23,520 | 23,637 | 23,877 | 24,244 | 24,508 | 24,813 | 24,979 | 25,153 | 25,373 | 25,447 |
| Cabell County | 94,631 | 94,410 | 94,327 | 94,304 | 94,838 | 95,231 | 95,547 | 95,934 | 96,710 | 96,784 |
| Calhoun County | 7,212 | 7,197 | 7,235 | 7,251 | 7,204 | 7,247 | 7,334 | 7,418 | 7,581 | 7,582 |
| Clay County | 10,075 | 10,110 | 10,057 | 10,138 | 10,289 | 10,237 | 10,293 | 10,222 | 10,315 | 10,330 |
| Doddridge County | 7,201 | 7,244 | 7,218 | 7,297 | 7,265 | 7,438 | 7,433 | 7,498 | 7,408 | 7,403 |
| Fayette County | 46,341 | 46,275 | 46,297 | 46,306 | 46,797 | 47,103 | 46,991 | 47,098 | 47,498 | 47,579 |
| Gilmer County | 6,873 | 6,894 | 6,900 | 6,926 | 6,975 | 7,009 | 6,999 | 7,085 | 7,169 | 7,160 |
| Grant County | 12,047 | 11,899 | 11,774 | 11,581 | 11,507 | 11,367 | 11,290 | 11,320 | 11,287 | 11,299 |
| Greenbrier County | 34,567 | 34,537 | 34,511 | 34,542 | 34,558 | 34,550 | 34,448 | 34,369 | 34,423 | 34,453 |
| Hampshire County | 22,574 | 22,542 | 22,218 | 21,720 | 21,275 | 21,073 | 20,801 | 20,560 | 20,291 | 20,203 |
| Hancock County | 30,008 | 30,158 | 30,627 | 30,964 | 31,158 | 31,580 | 31,949 | 32,294 | 32,621 | 32,667 |
| Hardy County | 13,591 | 13,643 | 13,463 | 13,364 | 13,202 | 13,050 | 12,830 | 12,792 | 12,695 | 12,669 |
| Harrison County | 68,853 | 68,254 | 68,324 | 68,094 | 67,960 | 67,714 | 67,813 | 67,861 | 68,564 | 68,652 |
| Jackson County | 28,157 | 28,170 | 28,128 | 28,045 | 28,215 | 28,013 | 28,043 | 27,978 | 28,041 | 28,000 |
| Jefferson County | 51,615 | 50,788 | 49,666 | 48,507 | 47,029 | 45,954 | 44,685 | 43,292 | 42,439 | 42,190 |
| Kanawha County | 191,018 | 191,180 | 191,752 | 192,841 | 194,543 | 195,293 | 196,025 | 197,698 | 199,714 | 200,073 |
| Lewis County | 17,281 | 17,098 | 17,097 | 17,125 | 17,057 | 17,076 | 16,920 | 16,939 | 16,862 | 16,919 |
| Lincoln County | 22,386 | 22,308 | 22,303 | 22,322 | 22,304 | 22,318 | 22,194 | 22,118 | 22,133 | 22,108 |
| Logan County | 35,525 | 35,566 | 35,661 | 35,762 | 36,009 | 36,504 | 36,807 | 36,867 | 37,560 | 37,710 |
| Marion County | 56,496 | 56,653 | 56,424 | 56,357 | 56,201 | 56,266 | 56,158 | 56,163 | 56,504 | 56,598 |
| Marshall County | 32,766 | 33,112 | 33,481 | 33,883 | 34,341 | 34,609 | 34,827 | 35,161 | 35,395 | 35,519 |
| Mason County | 25,678 | 25,531 | 25,542 | 25,561 | 25,716 | 25,894 | 25,934 | 26,036 | 25,965 | 25,957 |
| McDowell County | 22,707 | 22,978 | 23,347 | 23,772 | 24,324 | 25,038 | 25,784 | 26,345 | 27,127 | 27,329 |
| Mercer County | 61,500 | 61,261 | 61,009 | 61,191 | 61,621 | 61,836 | 61,989 | 61,850 | 62,927 | 62,980 |
| Mineral County | 26,795 | 26,699 | 26,682 | 26,830 | 26,956 | 27,156 | 27,115 | 26,996 | 27,038 | 27,078 |
| Mingo County | 26,352 | 26,676 | 26,641 | 26,762 | 26,951 | 27,285 | 27,466 | 27,441 | 28,021 | 28,253 |
| Monongalia County | 88,221 | 87,314 | 86,649 | 86,129 | 85,278 | 84,621 | 83,349 | 82,767 | 81,914 | 81,866 |
| Monroe County | 13,739 | 13,538 | 13,474 | 13,474 | 13,445 | 13,420 | 13,314 | 13,284 | 13,200 | 14,583 |
| Morgan County | 16,325 | 16,346 | 16,167 | 15,853 | 15,639 | 15,417 | 15,232 | 15,152 | 15,012 | 14,943 |
| Nicholas County | 26,137 | 26,121 | 26,164 | 26,092 | 26,014 | 26,004 | 26,133 | 26,168 | 26,548 | 26,562 |
| Ohio County | 44,106 | 44,360 | 44,624 | 44,891 | 45,249 | 45,571 | 46,176 | 46,588 | 47,330 | 47,427 |
| Pendleton County | 7,582 | 7,614 | 7,738 | 7,778 | 7,906 | 7,983 | 7,961 | 8,073 | 8,167 | 8,196 |
| Pleasants County | 7,150 | 7,196 | 7,232 | 7,278 | 7,359 | 7,388 | 7,510 | 7,537 | 7,500 | 7,514 |
| Pocahontas County | 8,472 | 8,568 | 8,681 | 8,789 | 8,934 | 8,921 | 8,938 | 8,928 | 9,110 | 9,131 |
| Preston County | 30,285 | 30,233 | 30,110 | 29,789 | 29,586 | 29,448 | 29,431 | 29,173 | 29,287 | 29,334 |
| Putnam County | 55,488 | 54,872 | 54,346 | 53,858 | 53,342 | 52,763 | 52,088 | 51,590 | 51,734 | 51,589 |
| Raleigh County | 79,357 | 79,067 | 78,649 | 78,575 | 78,631 | 78,604 | 78,854 | 78,328 | 79,048 | 79,220 |
| Randolph County | 28,264 | 28,255 | 28,308 | 28,364 | 28,297 | 28,137 | 28,304 | 28,240 | 28,206 | 28,262 |
| Ritchie County | 10,308 | 10,329 | 10,369 | 10,318 | 10,267 | 10,319 | 10,298 | 10,293 | 10,335 | 10,343 |
| Roane County | 15,169 | 15,242 | 15,388 | 15,333 | 15,279 | 15,352 | 15,286 | 15,413 | 15,458 | 15,446 |
| Summers County | 13,017 | 13,187 | 13,318 | 13,476 | 13,617 | 13,807 | 13,912 | 14,160 | 14,324 | 12,999 |
| Taylor County | 16,158 | 16,099 | 16,099 | 16,010 | 16,005 | 15,984 | 15,988 | 16,037 | 16,081 | 16,089 |
| Tucker County | 6,877 | 6,867 | 6,898 | 6,965 | 7,047 | 7,150 | 7,227 | 7,216 | 7,294 | 7,321 |
| Tyler County | 8,841 | 8,949 | 9,087 | 9,221 | 9,273 | 9,295 | 9,355 | 9,486 | 9,586 | 9,592 |
| Upshur County | 23,582 | 23,503 | 23,456 | 23,381 | 23,606 | 23,601 | 23,327 | 23,326 | 23,412 | 23,404 |
| Wayne County | 41,082 | 41,217 | 41,493 | 41,902 | 42,182 | 42,337 | 42,403 | 42,699 | 42,900 | 42,903 |
| Webster County | 9,394 | 9,421 | 9,549 | 9,609 | 9,732 | 9,684 | 9,669 | 9,655 | 9,688 | 9,719 |
| Wetzel County | 16,329 | 16,416 | 16,636 | 16,877 | 17,005 | 17,049 | 17,183 | 17,301 | 17,672 | 17,693 |
| Wirt County | 5,757 | 5,795 | 5,773 | 5,777 | 5,768 | 5,741 | 5,798 | 5,852 | 5,881 | 5,873 |
| Wood County | 86,204 | 86,006 | 86,180 | 86,609 | 86,750 | 87,084 | 87,581 | 87,688 | 87,874 | 87,986 |
| Wyoming County | 23,534 | 23,648 | 23,901 | 24,113 | 24,197 | 24,555 | 24,721 | 25,063 | 25,583 | 25,708 |
Source: Population Division, U.S. Census Bureau