Elgin, Iowa
As of the census of 2010, there were 683 people, 318 households, and 191 families living in the city. The population density was . There were 343 housing units at an average density of . The racial makeup of the city was 98.8% White, 0.1% African American, 0.4% Native American, 0.1% from other races, and 0.4% from two or more races. Hispanic or Latino of any race were 1.0% of the population.