Piaseczno County (Polish: powiat piaseczyński) is a unit of territorial administration and local government (powiat) in Masovian Voivodeship, east-central Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Piaseczno, which lies 17 kilometres (11 mi) south of Warsaw. The county contains three other towns: Konstancin-Jeziorna, 8 km (5 mi) east of Piaseczno, Góra Kalwaria, 18 km (11 mi) south-east of Piaseczno, and Tarczyn, 16 km (10 mi) south-west of Piaseczno.
|Coordinates (Piaseczno): Coordinates:|
|• Total||621.04 km2 (239.78 sq mi)|
|• Density||300/km2 (780/sq mi)|
The county covers an area of 621.04 square kilometres (239.8 sq mi). As of 2019 its total population is 186,460, out of which the population of Piaseczno is 48,286, that of Konstancin-Jeziorna is 17,023, that of Góra Kalwaria is 12,040, that of Tarczyn is 4,116, and the rural population is 81,465.
The county is subdivided into six gminas (four urban-rural and two rural). These are listed in the following table, in descending order of population.
|Gmina Góra Kalwaria||urban-rural||145.1||26,863||Góra Kalwaria|
- GUS. "Population. Size and structure and vital statistics in Poland by territorial division in 2019. As of 30th June". stat.gov.pl. Retrieved 2020-09-14.