Klemme is a city in Hancock County, Iowa, United States.

[2] The city is named for Harmon J. Klemme, the original land owner.

His home in Belmond, Iowa, where he lived for many years, is the Klemme House Bed and Breakfast.

According to the United States Census Bureau, the city has a total area of 0.51 square miles (1.32 km2), all land.

There were 238 housing units at an average density of 476.0 per square mile (183.8/km2).

There were 252 housing units at an average density of 494.1 per square mile (190.8/km2).

The racial makeup of the city was 98.6% White, 0.4% African American, 0.2% Asian, and 0.8% from two or more races.

32.9% of all households were made up of individuals, and 15.1% had someone living alone who was 65 years of age or older.

25.6% of all households were made up of individuals, and 14.2% had someone living alone who was 65 years of age or older.

Luverne Schmidt and his wife bought the school building in 2000, replaced the roof and for a period operated a restaurant there.