Gmina Kolsko's population is 3,272.
The area of Gmina Kolsko is 80.57 square kilometers.
The population of Kolsko is 1,000.
Kolsko-Loparskaya Volost was created in 1868.
Kolsko-Loparskaya Volost ended in 1927.
The population of Gmina Sobków is 8,266.
Gmina Liszki's population is 15,636.
The population of Gmina Słupca is 8,974.
The population of Gmina Sosnowica is 2,645.
The population of Gmina Potęgowo is 7,147.
Gmina Cedynia's population is 4,343.
Gmina Mikstat's population is 6,187.
Gmina Chodecz's population is 6,395.