As of the census of 2010, there were 785 people, 298 households, and 166 families living in the city. The population density was. There were 379 housing units at an average density of. The racial makeup of the city was 97.7% White, 0.1% Native American, 0.8% from other races, and 1.4% from two or more races. Hispanic or Latino of any race were 2.2% of the population. There were 341 households of which 25.2% had children under the age of 18 living with them, 48.4% were married couplesliving together, 8.8% had a female householder with no husband present, 4.1% had a male householder with no wife present, and 38.7% were non-families. 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. The average household size was 2.22 and the average family size was 2.84. The median age in the city was 45.7 years. 21.9% of residents were under the age of 18; 7.3% were between the ages of 18 and 24; 19.3% were from 25 to 44; 25.8% were from 45 to 64; and 25.6% were 65 years of age or older. The gender makeup of the city was 47.9% male and 52.1% female.
2000 census
As of the census of 2000, there were 840 people, 369 households, and 225 families living in the city. The population density was 765.8 people per square mile. There were 401 housing units at an average density of 365.6 per square mile. The racial makeup of the city was 99.88% White, and 0.12% from two or more races. There were 325 households out of which 23.3% had children under the age of 18 living with them, 50.7% were married couples living together, 6.8% had a female householder with no husband present, and 39.0% were non-families. 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 average household size was 2.18 and the average family size was 2.80. In the city, the population was spread out with 21.8% under the age of 18, 7.1% from 18 to 24, 21.1% from 25 to 44, 21.5% from 45 to 64, and 28.5% who were 65 years of age or older. The median age was 45 years. For every 100 females, there were 90.0 males. For every 100 females age 18 and over, there were 80.5 males. The median income for a household in the city was $30,982, and the median income for a family was $41,786. Males had a median income of $29,091 versus $19,904 for females. The per capita income for the city was $20,661. About 4.7% of families and 4.1% of the population were below the poverty line, including 1.8% of those under age 18 and 8.0% of those age 65 or over.
Population change
Up until mid-2013, the 2010 census stated that the Riceville population was listed as 502. The population is now listed at 756, which is the correct number. The Mayor of Riceville stated that there was confusion of paperwork done by the city clerk.
Economy
Link Energy, a family owned and operated farm, uses a 2 M gallon methane digester to generate 600KW of electricity. The digester runs on manure, waste egg products, and meat packing and meat locker waste. It also makes biogas, dairy cattle bedding and biosolids for fertilizer.
Ray Conger was an Olympic athlete, born and raised in Riceville, who held the world record for the 1,000 yards and the American record for the 1,500 meters.
