Sierpc County
Sierpc County is a unit of territorial administration and local government in Masovian Voivodeship, east-central Poland. It came into being on 1 January 1999 as a result of the Polish [local government reforms] passed in 1998. Its administrative seat and only town is Sierpc, which lies north-west of Warsaw.
The county covers an area of. As of 2019 its total population is 52,077, out of which the population of Sierpc is 17,994, and the rural population is 34,083.