The largest county in West Virginia
There are two right answers. By land area it is Randolph County; by population it is Kanawha County. Which one you want depends on what you meant by largest.
Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025. Retrieved 30 August 2026.
By land area
| Rank | Name | Land area | Population |
|---|---|---|---|
| 1 | Randolph County | 1,040 sq mi | 26,882 |
| 2 | Greenbrier County | 1,020 sq mi | 31,578 |
| 3 | Pocahontas County | 940.2 sq mi | 7,602 |
| 4 | Kanawha County | 901.7 sq mi | 172,381 |
| 5 | Pendleton County | 696.1 sq mi | 5,826 |
| 6 | Fayette County | 662 sq mi | 38,165 |
| 7 | Preston County | 648.8 sq mi | 34,004 |
| 8 | Nicholas County | 646.8 sq mi | 23,848 |
| 9 | Hampshire County | 640.4 sq mi | 24,105 |
| 10 | Raleigh County | 605 sq mi | 71,775 |
By population
| Rank | Name | Population | Density |
|---|---|---|---|
| 1 | Kanawha County | 172,381 | 191 per sq mi |
| 2 | Berkeley County | 139,522 | 434 per sq mi |
| 3 | Monongalia County | 107,991 | 300 per sq mi |
| 4 | Cabell County | 91,183 | 324 per sq mi |
| 5 | Wood County | 82,385 | 225 per sq mi |
| 6 | Raleigh County | 71,775 | 119 per sq mi |
| 7 | Harrison County | 64,221 | 154 per sq mi |
| 8 | Jefferson County | 63,102 | 302 per sq mi |
| 9 | Mercer County | 57,503 | 137 per sq mi |
| 10 | Putnam County | 56,885 | 165 per sq mi |
And the smallest
More on West Virginia
Rebuilt from source data 30 August 2026. How these figures are produced.