alexandria,_indiana | areatotal | 681 (square kilometres) <tsp> alexandria,_indiana | elevationabovethesealevel | 2650 <tsp> alexandria,_indiana | areacode | 765 <tsp> alexandria,_indiana | populationdensity | 7553 (inhabitants per square kilometre) <sep> alexandria is a city in monroe township, madison county, indiana, united states it is about 48 miles (77 km) northeast of indianapolis according to the 2020 census, its population was 5,149, nearly unchanged from 2010 
alexandria. in indiana. has a total area of 6.81 square kilometres and is 265m above sea level. the population density of alexandria is 755.3 (inhabitants per square kilometer) and the area code is 765.no information