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 has an area of water of 1 square kilometre and is 346 above sea level. its total area is 55.4 square kilometres. has 992.6 residents per square kilometre and uses the 770. 404 and 678 area codes.no information