Jeziorko [jɛˈʑɔrkɔ] is a village in the administrative district of Gmina Koluszki, within Łódź East County, Łódź Voivodeship, in central Poland. It lies approximately 4 kilometres (2 mi) north-east of Koluszki and 27 km (17 mi) east of the regional capital Łódź.

• Central Statistical Office (GUS) Population: Size and Structure by Administrative Division - (2007-12-31) (in Polish)