2020 census

The 2020 United States census counted 54 people, 18 households, and 14 families in Idana.^[7][8] The population density was 159.8 per square mile (61.7/km²). There were 26 housing units at an average density of 76.9 per square mile (29.7/km²).^[8][9] The racial makeup was 83.33% (45) white or European American (81.48% non-Hispanic white), 3.7% (2) black or African-American, 3.7% (2) Native American or Alaska Native, 0.0% (0) Asian, 0.0% (0) Pacific Islander or Native Hawaiian, 0.0% (0) from other races, and 9.26% (5) from two or more races.^[10] Hispanic or Latino of any race was 7.41% (4) of the population.^[11]

Of the 18 households, 22.2% had children under the age of 18; 77.8% were married couples living together; 11.1% had a female householder with no spouse or partner present. 22.2% of households consisted of individuals and 0.0% had someone living alone who was 65 years of age or older.^[8] The percent of those with a bachelor’s degree or higher was estimated to be 0.0% of the population.^[12]

18.5% of the population was under the age of 18, 0.0% from 18 to 24, 31.5% from 25 to 44, 27.8% from 45 to 64, and 22.2% who were 65 years of age or older. The median age was 48.0 years. For every 100 females, there were 145.5 males.^[8] For every 100 females ages 18 and older, there were 158.8 males.^[8]