Wirt County
- State:
- West Virginia
- County Seat:
- Elizabeth
Wirt County's estimated 2026 population is 4,850 with a growth rate of -0.59% in the past year according to the most recent United States census data. Wirt County is the 55th largest county in West Virginia. The 2010 population was 5,721 and has seen a growth of -15.22% since that time.