1,592,492 (2016 Census) is the population of the urban region of Karaj . The city province is Alborz . The population of the metro region is 1,973,470 (2016 Census) .  The city area code is 026 . Ali kamalizade is the mayor of Karaj . Karaj is at an elevation of 4304 ft . 35°50′08″N 51°00′37″E﻿ / ﻿35.83556°N 51.01028°E are the coordinates of the city.
There are less than 1976019 residents in the metro region of Karaj