[6] According to the United States Census Bureau, the city has a total area of 1.00 square mile (2.59 km2), all of it land.

[7] Rolette has a humid continental climate (Köppen Dfb), bordering on a dry-winter humid continental climate (Köppen Dwb).

As of the census of 2010, there were 594 people in 254 households, including 141 families, in the city.

There were 284 housing units at an average density of 284.0 per square mile (109.7/km2).

As of the census of 2000, there were 538 people in 243 households, including 140 families, in the city.

There were 286 housing units at an average density of 284.6 per square mile (109.9/km2).

The racial makup of the city was 75.46% White, 21.00% Native American, and 3.53% from two or more races.