__NOTOC__ Żuromin County () 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 Żuromin, which lies north-west of Warsaw. Other towns in the county are Bieżuń, lying south of Żuromin and Lubowidz, lying north-west of Żuromin.
The county covers an area of . As of 2019 its total population is 38,688, out of which the population of Żuromin is 8,867, that of Bieżuń is 1,846, that of Lubowidz is 1,684, and the rural population is 26,291.
Neighbouring counties Żuromin County is bordered by Działdowo County to the north-east, Mława County to the east, Płońsk County to the south-east, Sierpc County to the south-west, and Rypin County and Brodnica County to the west.
Administrative divisions The county is subdivided into six gminas (three urban-rural and three rural). These are listed in the following table, in descending order of population.
Gmina Type Area(km2) Population(2016) SeatGmina Żurominurban-rural132.414,395ŻurominGmina Lubowidzurban-rural190.86,866LubowidzGmina Bieżuńurban-rural122.04,977BieżuńGmina Kuczbork-Osadarural121.64,724Kuczbork-OsadaGmina Lutocinrural126.04,256LutocinGmina Siemiątkoworural112.13,470Siemiątkowo
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