Mińsk County (Polish: powiat miński) is a unit of territorial administration and local government (powiat) in Masovian Voivodeship, east-central Poland. It was (re)created on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Mińsk Mazowiecki, which lies 39 kilometres (24 mi) east of Warsaw. The county contains three other towns: Sulejówek, 21 km (13 mi) west of Mińsk Mazowiecki, Halinów, 16 km (10 mi) west of Mińsk Mazowiecki, and Kałuszyn, 17 km (11 mi) east of Mińsk Mazowiecki.

The county covers an area of 1,164.35 square kilometres (449.6 sq mi). As of 2019 its total population is 150,480, out of which the population of Mińsk Mazowiecki is 40,836, that of Sulejówek is 19,766, that of Halinów is 3,739, that of Kałuszyn is 2,899, and the rural population is 82,638.

Neighbouring counties

Mińsk County is bordered by Węgrów County to the north-east, Siedlce County to the east, Garwolin County to the south, Otwock County and the city of Warsaw to the west, and Wołomin County to the north-west.

Administrative division

The county is subdivided into 13 gminas (two urban, two urban-rural and nine rural). These are listed in the following table, in descending order of population.

GminaTypeArea (km2)Population (2019)Seat
Mińsk Mazowieckiurban13.140,836
Sulejówekurban19.519,766
Gmina Halinówurban-rural63.116,254Halinów
Gmina Mińsk Mazowieckirural112.315,364Mińsk Mazowiecki *
Gmina Dębe Wielkierural77.910,436Dębe Wielkie
Gmina Siennicarural111.07,499Siennica
Gmina Stanisławówrural106.06,777Stanisławów
Gmina Cegłówrural95.76,118Cegłów
Gmina Dobrerural124.95,974Dobre
Gmina Kałuszynurban-rural94.55,846Kałuszyn
Gmina Latowiczrural114.25,403Latowicz
Gmina Mrozyrural145.25,123Mrozy
Gmina Jakubówrural87.25,084Jakubów
* seat not part of the gmina