Lake Lillian is a city in Kandiyohi County, Minnesota, United States.

[6] According to the United States Census Bureau, the city has a total area of 0.46 square miles (1.19 km2), all land.

[7] Minnesota State Highway 7 serves as a main route in the community.

Directly to the north is Lake Lillian which has a total area of 1,149 acres.

The racial makeup of the city was 98.3% White, 0.4% African American, 0.4% Asian, and 0.8% from two or more races.

43.8% of all households were made up of individuals, and 23.1% had someone living alone who was 65 years of age or older.

38.7% of all households were made up of individuals, and 21.0% had someone living alone who was 65 years of age or older.

About 9.7% of families and 14.6% of the population were below the poverty line, including 21.7% of those under the age of eighteen and 12.7% of those 65 or over.