Fonda, Iowa
As of the census of 2010, there were 631 people, 259 households, and 157 families residing in the city. The population density was . There were 329 housing units at an average density of . The racial makeup of the city was 94.3% White, 0.5% African American, 0.3% Asian, 0.5% Pacific Islander, 2.5% from other races, and 1.9% from two or more races. Hispanic or Latino of any race were 8.7% of the population.