Wilsall is a census-designated place (CDP) in Park County, Montana, United States. The population was 237 at the 2000 census.
Wilsall is located in central Montana, 29 miles (46 km) northeast of Bozeman, 78 miles (125 km) east-southeast of Helena, and 105 miles (169 km) west of Billings. According to the United States Census Bureau, the CDP has a total area of 1.0 square mile (2.6 km2), all of it land.
This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the Köppen Climate Classification system, Wilsall has a humid continental climate, abbreviated "Dfb" on climate maps.
As of the census of 2000, there were 237 people, 102 households, and 68 families residing in the CDP. The population density was 234.5 people per square mile (90.6/km2). There were 119 housing units at an average density of 117.7 per square mile (45.5/km2). The racial makeup of the CDP was 95.36% White, 1.69% Native American, 2.95% from other races. Hispanic or Latino of any race were 2.95% of the population.
There were 102 households out of which 25.5% had children under the age of 18 living with them, 55.9% were married couples living together, 7.8% had a female householder with no husband present, and 33.3% were non-families.