WEBIn 2021, Anna, OH had a population of 1.49k people with a median age of 29.7 and a median household income of $74,667. Between 2020 and 2021 the population of Anna, OH declined from 1,608 to 1,485, a −7.65% decrease and its median household income declined from $75,431 to $74,667, a −1.01% decrease.