Johnstown, Rock County, Wisconsin

According to the United States Census Bureau, the town has a total area of 36.2 square miles (93.8 km2), all of it land.

As of the census[2] of 2000, there were 802 people, 289 households, and 232 families residing in the town.

There were 306 housing units at an average density of 8.5 per square mile (3.3/km2).

The racial makeup of the town was 99.25% White, 0.62% Native American, and 0.12% from two or more races.

14.2% of all households were made up of individuals, and 4.5% had someone living alone who was 65 years of age or older.