Chełmno County (Polish: powiat chełmiński) is a unit of territorial administration and local government (powiat) in Kuyavian-Pomeranian Voivodeship, north-central Poland. It came into being on 1 January 1999, as a result of the Polish local government reforms adopted in 1998. Its administrative seat and only town is Chełmno, which lies 40 km (25 mi) north of Toruń and 40 km (25 mi) north-east of Bydgoszcz.

The county covers an area of 527.62 square kilometres (203.7 sq mi). As of 2019 its total population is 52,018, out of which the population of Chełmno is 19,605 and the rural population is 32,413.

The county includes the protected area called Chełmno Landscape Park, which stretches along the right bank of the Vistula river.

Neighbouring counties

Chełmno County is bordered by Świecie County to the north, Grudziądz County and Wąbrzeźno County to the east, Toruń County to the south, and Bydgoszcz County to the south-west.

Administrative division

The county is subdivided into seven gminas (one urban and six rural). These are listed in the following table, in descending order of population.

Division of Chełmno County
GminaTypeArea (km2)Population (2019)Seat
Chełmnourban13.619,605
Gmina Unisławrural72.56,967Unisław
Gmina Chełmnorural114.16,084Chełmno *
Gmina Stolnorural98.45,278Stolno
Gmina Liseworural86.25,212Lisewo
Gmina Kijewo Królewskierural72.24,529Kijewo Królewskie
Gmina Papowo Biskupierural70.44,343Papowo Biskupie
* seat not part of the gmina