| Rank |
County |
Population (2012) |
| 1 |
Kanawha County, West Virginia
|
192,179
|
| 2 |
Berkeley County, West Virginia
|
107,098
|
| 3 |
Monongalia County, West Virginia
|
100,332
|
| 4 |
Cabell County, West Virginia
|
96,974
|
| 5 |
Wood County, West Virginia
|
86,701
|
| 6 |
Raleigh County, West Virginia
|
79,021
|
| 7 |
Harrison County, West Virginia
|
69,141
|
| 8 |
Mercer County, West Virginia
|
62,523
|
| 9 |
Marion County, West Virginia
|
56,678
|
| 10 |
Putnam County, West Virginia
|
56,435
|
| 11 |
Jefferson County, West Virginia
|
54,504
|
| 12 |
Fayette County, West Virginia
|
45,869
|
| 13 |
Ohio County, West Virginia
|
44,075
|
| 14 |
Wayne County, West Virginia
|
41,649
|
| 15 |
Logan County, West Virginia
|
36,168
|
| 16 |
Greenbrier County, West Virginia
|
35,820
|
| 17 |
Preston County, West Virginia
|
33,832
|
| 18 |
Marshall County, West Virginia
|
32,674
|
| 19 |
Hancock County, West Virginia
|
30,305
|
| 20 |
Randolph County, West Virginia
|
29,384
|
| 21 |
Jackson County, West Virginia
|
29,234
|
| 22 |
Mineral County, West Virginia
|
27,956
|
| 23 |
Mason County, West Virginia
|
27,179
|
| 24 |
Nicholas County, West Virginia
|
26,229
|
| 25 |
Mingo County, West Virginia
|
26,103
|
| 26 |
Boone County, West Virginia
|
24,478
|
| 27 |
Upshur County, West Virginia
|
24,477
|
| 28 |
Brooke County, West Virginia
|
23,853
|
| 29 |
Hampshire County, West Virginia
|
23,709
|
| 30 |
Wyoming County, West Virginia
|
23,273
|
| 31 |
Lincoln County, West Virginia
|
21,627
|
| 32 |
McDowell County, West Virginia
|
21,326
|
| 33 |
Morgan County, West Virginia
|
17,471
|
| 34 |
Taylor County, West Virginia
|
16,991
|
| 35 |
Barbour County, West Virginia
|
16,493
|
| 36 |
Wetzel County, West Virginia
|
16,422
|
| 37 |
Lewis County, West Virginia
|
16,371
|
| 38 |
Roane County, West Virginia
|
14,684
|
| 39 |
Braxton County, West Virginia
|
14,468
|
| 40 |
Hardy County, West Virginia
|
13,866
|
| 41 |
Summers County, West Virginia
|
13,737
|
| 42 |
Monroe County, West Virginia
|
13,463
|
| 43 |
Grant County, West Virginia
|
11,816
|
| 44 |
Ritchie County, West Virginia
|
10,236
|
| 45 |
Clay County, West Virginia
|
9,297
|
| 46 |
Webster County, West Virginia
|
9,043
|
| 47 |
Tyler County, West Virginia
|
9,037
|
| 48 |
Gilmer County, West Virginia
|
8,732
|
| 49 |
Pocahontas County, West Virginia
|
8,692
|
| 50 |
Doddridge County, West Virginia
|
8,178
|
| 51 |
Calhoun County, West Virginia
|
7,607
|
| 52 |
Pleasants County, West Virginia
|
7,595
|
| 53 |
Pendleton County, West Virginia
|
7,566
|
| 54 |
Tucker County, West Virginia
|
6,995
|
| 55 |
Wirt County, West Virginia
|
5,847
|