 
| Bydgoszcz, Precinct no. 20 | 
| Vote on 05-12-2010 | |
| Office | Prezydent Miasta Bydgoszczy | 
| Precinct | Precinct no. 20 | 
| Electoral Commission Regional Headquarters | Zespół Szkół Nr 27, ul. Sardynkowa 7 | 
| Number of electors | 1 836 | 
| Number of dispensed ballot cards | 649 | 
| Number of valid ballot cards | 647 | 
| Number of votes valid | 645 | 
| Number of votes invalid | 2 | 
| Number of dispensed ballot cards for plenipotentiaries | 0 | 
| Protocol date | 05-12-2010 23:24 | 
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 2 | Bruski Rafał Piotr | 48 | wyższe | Bydgoszcz, submitted by KOMITET WYBORCZY PLATFORMA OBYWATELSKA RP, endorsed by Platforma Obywatelska RP, member of Platformy Obywatelskiej Rzeczypospolitej Polskiej | 335 | 51,94% | |
| 4 | Dombrowicz Konstanty | 63 | wyższe | Bydgoszcz, submitted by KOMITET WYBORCZY WYBORCÓW KONSTANTEGO DOMBROWICZA. MIASTO DLA POKOLEŃ, not a member of any political party | 310 | 48,06% | |
| Vote on 21-11-2010 | |
| Office | Prezydent Miasta Bydgoszczy | 
| Precinct | Precinct no. 20 | 
| Electoral Commission Regional Headquarters | Zespół Szkół Nr 27, ul. Sardynkowa 7 | 
| Number of electors | 1 838 | 
| Number of dispensed ballot cards | 727 | 
| Number of valid ballot cards | 727 | 
| Number of votes valid | 724 | 
| Number of votes invalid | 3 | 
| Number of dispensed ballot cards for plenipotentiaries | 0 | 
| Protocol date | 22-11-2010 02:45 | 
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 1 | Bocian Henryk | 48 | średnie | Bydgoszcz, submitted by KOMITET WYBORCZY WYBORCÓW RUCH PRZEŁOMU NARODOWEGO W BYDGOSZCZY, not a member of any political party | 8 | 1,10% | |
| 2 | Bruski Rafał Piotr | 48 | wyższe | Bydgoszcz, submitted by KOMITET WYBORCZY PLATFORMA OBYWATELSKA RP, endorsed by Platforma Obywatelska RP, member of Platformy Obywatelskiej Rzeczypospolitej Polskiej | 316 | 43,65% | |
| 3 | Ciemniak Grażyna Jolanta | 62 | wyższe | Bydgoszcz, submitted by KOMITET WYBORCZY WYBORCÓW GRAŻYNY CIEMNIAK, not a member of any political party | 33 | 4,56% | |
| 4 | Dombrowicz Konstanty | 63 | wyższe | Bydgoszcz, submitted by KOMITET WYBORCZY WYBORCÓW KONSTANTEGO DOMBROWICZA. MIASTO DLA POKOLEŃ, not a member of any political party | 259 | 35,77% | |
| 5 | Szopiński Jan Józef | 53 | wyższe | Bydgoszcz, submitted by KOMITET WYBORCZY SOJUSZ LEWICY DEMOKRATYCZNEJ, endorsed by Sojusz Lewicy Demokratycznej, member of Sojuszu Lewicy Demokratycznej | 45 | 6,22% | |
| 6 | Złotowski Kosma Tadeusz | 46 | wyższe | Bydgoszcz, submitted by KOMITET WYBORCZY PRAWO I SPRAWIEDLIWOŚĆ, member of Prawa i Sprawiedliwości | 63 | 8,70% | |