
Clark County
- State:
- Wisconsin
- County Seat:
- Neillsville
Clark County's estimated 2025 population is 34,858 with a growth rate of 0.12% in the past year according to the most recent United States census data. Clark County is the 41st largest county in Wisconsin. The 2010 population was 34,670 and has seen a growth of 0.54% since that time.