alpharetta,_georgia | areatotal | 554 (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 55.4 square kilometres in size. is 346 above sea level. has a population density of 992.6 people per square kilometres and uses area codes 770. 404 and 678. <sep> no information