Gmina Koźminek is a urban-rural gmina (administrative district) in Kalisz County, Greater Poland Voivodeship, in west-central Poland. Its seat is the town of Koźminek, which lies approximately 17 kilometres (11 mi) east of Kalisz and 118 km (73 mi) south-east of the regional capital Poznań.

The gmina covers an area of 88.43 square kilometres (34.1 sq mi), and as of 2006 its total population is 7,514.

Gmina Koźminek contains the villages and settlements of Agnieszków, Bogdanów, Chodybki, Dąbrowa, Dębsko, Dębsko-Dosinek, Dębsko-Ośrodek, Dębsko-Ostoja, Emilianów, Emilianów-Pośrednik, Emilianów-Zosina, Gać Kaliska, Gać Pawęzowa, Józefina, Krzyżówki, Ksawerów, Marianów, Młynisko, Moskurnia, Murowaniec, Nowy Karolew, Nowy Nakwasin, Osuchów, Osuchów-Parcela, Oszczeklin, Pietrzyków, Przydziałki, Raszawy, Rogal, Słowiki, Smółki, Sokołówka, Stary Karolew, Stary Nakwasin, Tymianek and Złotniki.

Koźminek

Gmina Koźminek is bordered by the gminas of Ceków-Kolonia, Goszczanów, Lisków, Opatówek and Szczytniki.

• Polish official population figures 2006