Riceville is a city in Howard and Mitchell counties in the U.S. state of Iowa.

[2] Riceville was platted in 1855 by three of the Rice brothers, Leonard, Dennis, and Gilbert.

[6] As of the census of 2020,[8] there were 806 people, 351 households, and 195 families residing in the city.

Hispanic or Latino persons of any race comprised 5.0% of the population.

36.7% of all households were made up of individuals, and 18.5% had someone living alone who was 65 years of age or older.

As of the census[10] of 2000, there were 840 people, 369 households, and 225 families living in the city.

35.5% of all households were made up of individuals, and 21.1% had someone living alone who was 65 years of age or older.

The Mayor of Riceville stated that there was confusion of paperwork done by the city clerk.

Link Energy, a family owned and operated farm, uses a 2 M gallon methane digester to generate 600KW of electricity.

It also makes biogas, dairy cattle bedding and biosolids for fertilizer.