Front and western side of the village hall in Anna, Ohio, United States, located at 209 W. Main Street (State Route 119). Built in 1880, it is listed on the National Register of Historic Places. – Nyttend, Public domain – Wikimedia Commons Anna is located in Shelby County. About 1,470 people live here (as of 2020). Between 2010 and 2020, the population declined from 1,567 to 1,470. The region is at 315 meters above sea level. The area covers about 2.5 square kilometers. There are about 54 streets in Anna. The postal codes are 45302. Anna is village in Ohio, United States. Among other things, Anna has restaurants and schools. More information at villageofannaoh.com.