alpharetta,_georgia | areatotal | 554 (square kilometres) <tsp> alpharetta,_georgia | areaofwater | 10 (square kilometres) <tsp> alpharetta,_georgia | elevationabovethesealevel | 3460 <tsp> alpharetta,_georgia | areacode | 770, 404, 678 <tsp> alpharetta,_georgia | populationdensity | 9926 (inhabitants per square kilometre) <sep> alpharetta is a city in northern fulton county, georgia, united states, and is a part of the atlanta metropolitan area as of the 2020 us census, alpharetta's population was 65,818; in 2010, the population was 57,551 
alpharetta. georgia is elevated 346.0 above sea level and has a total area of 55.4 square kilometres(water area is 1.0 sq km.).the area codes for alpharetta. georgia are 770. 404 and 678 and its population density is 992.6 people per square kilometres.no information