Oborniki County () is a unit of territorial administration and local government (powiat) in Greater Poland Voivodeship, west-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 Oborniki, which lies north of the regional capital Poznaà Â. The only other town in the county is Rogoà ºno, lying north-east of Oborniki.
The county covers an area of . As of 2006 its total population is 55,976, out of which the population of Oborniki is 17,850, that of Rogoà ºno is 10,905, and the rural population is 27,221.
Oborniki County is bordered by Czarnków-Trzcianka County and Chodzieà ¼ County to the north, Wàgrowiec County to the east, Poznaà  County to the south, and Szamotuà Ây County to the west.
The county is subdivided into three gminas (two urban-rural and one rural). These are listed in the following table, in descending order of population.
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