Ejby is a town in Køge Municipality, with a population of 3,130, on the Danish island of Zealand. The town is located about 8 kilometres/5 m…Ejby is a town in Køge Municipality, with a population of 3,130, on the Danish island of Zealand. The town is located about 8 kilometres/5 miles west of the town of Køge. Since the 1960s, when Ejby was a small village with a population of only a few hundreds, the village has grown rapidly and is now surrounded by residential areas of single-family detached homes and terraced houses.