
Neillsville
- County:
- Clark County
- County Seat:
- Yes
- Area (mi²):
- 2.745
- State:
- Wisconsin
Neillsville is a city located in Clark County, Wisconsin. Neillsville has a 2025 population of 2,259. It is also the county seat of Clark County. Neillsville is currently declining at a rate of -1.14% annually and its population has decreased by -5.44% since the most recent census, which recorded a population of 2,389 in 2020.
The average household income in Neillsville is $73,962 with a poverty rate of 11.69%. The median age in Neillsville is 43.1 years: 37.9 years for males, and 48.8 years for females.