Bydgoszcz County (Polish: powiat bydgoski) is a unit of territorial administration and local government (powiat) in Kuyavian-Pomeranian Voivodeship, north-central Poland. It was created on 1 January 1999 as a result of the Polish local government reforms passed in 1998. Its administrative seat is the city of Bydgoszcz, although the city is not part of the county (it constitutes a separate city county). The only towns in Bydgoszcz County are Solec Kujawski, which lies 17 km (11 mi) east of Bydgoszcz, and Koronowo, 23 km (14 mi) north of Bydgoszcz.

The county covers an area of 1,394.8 square kilometres (538.5 sq mi). As of 2019 its total population is 118,041, out of which the population of Solec Kujawski is 15,652, that of Koronowo is 11,162, and the rural population is 91,227.

Voters elect a unicameral Bydgoszcz County Council (Polish: Rada Powiatu Bydgoskiego) consisting of a 21-members. The council is elected under proportional representation in free elections for a 4-year term.. Executive body is county executive board (zarząd powiatu) consists of five members elected by the council. The Board is headed by the starosta (Starosta Bydgoski).

Members of the council are elected from five districts, serve four-year terms. Districts does not have the constituencies formal names. Instead, each constituency has a number and territorial description.

Number	Seats	Gmina(s)
1st	5	Koronowo
2nd	3	Solec Kujawski
3rd	5	Białe Błota, Nowa Wieś Wielka
4th	4	Osielsko, Sicienko
5th	4	Dąbrowa Chełmińska, Dobrcz

Apart from the city of Bydgoszcz, Bydgoszcz County is also bordered by Tuchola County to the north, Świecie County and Chełmno County to the north-east, Toruń County to the east, Inowrocław County to the south, Żnin County to the south-west, Nakło County to the west, and Sępólno County to the north-west.

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

Gmina	Type	Area (km)	Population (2019)	Seat
Gmina Koronowo	urban-rural	411.7	24,170	Koronowo
Gmina Białe Błota	rural	122.1	22,095	Białe Błota
Gmina Solec Kujawski	urban-rural	175.4	16,815	Solec Kujawski
Gmina Osielsko	rural	102.9	14,510	Osielsko
Gmina Dobrcz	rural	130.4	11,734	Dobrcz
Gmina Sicienko	rural	179.5	10,217	Sicienko
Gmina Nowa Wieś Wielka	rural	148.5	10,156	Nowa Wieś Wielka
Gmina Dąbrowa Chełmińska	rural	124.6	8,344	Dąbrowa Chełmińska

• Polish official population figures 2019 Archived 2021-04-19 at the Wayback Machine