 (This should not be confused with Lidzbark Warmiński, another town in Warmian-Masurian Voivodeship).The gmina covers an area of , and as of 2006 its total population is 14,484 (out of which the population of Lidzbark amounts to 8,261, and the population of the rural part of the gmina is 6,223).The gmina contains parts of the protected areas called Górzno-Lidzbark Landscape Park and Wel Landscape Park.