Liebenthal is a city in Rush County, Kansas, United States.

[6] According to the United States Census Bureau, the city has a total area of 0.13 square miles (0.34 km2), all of it land.

[7] The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

[8] The 2020 United States census counted 92 people, 47 households, and 23 families in Liebenthal.

34.0% of households consisted of individuals and 14.9% had someone living alone who was 65 years of age or older.

31.9% of all households were made up of individuals, and 12.8% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 98.20% White, 0.90% Native American, and 0.90% from two or more races.

29.2% of all households were made up of individuals, and 16.7% had someone living alone who was 65 years of age or older.

There were no families and 11.1% of the population living below the poverty line, including no under eighteens and 20.0% of those over 64.

The community is served by La Crosse USD 395 public school district.