Lake Lac La Belle is a former census-designated place (CDP) in Jefferson County, Wisconsin, United States.

[4] According to the United States Census Bureau, the CDP has a total area of 0.9 square mile (2.5 km2), all land.

As of the census[2] of 2000, there were 833 people, 302 households, and 260 families residing in the CDP.

11.6% of all households were made up of individuals, and 5.3% had someone living alone who was 65 years of age or older.

None of the families and 0.5% of the population were living below the poverty line, including no under eighteens and none of those over 64.