| Poznań, Precinct no. 42 |
| Vote on 05-12-2010 | |
| Office | Prezydent Miasta Poznania |
| Precinct | Precinct no. 42 |
| Electoral Commission Regional Headquarters | Szkoła Podstawowa Nr 79, ul. JESIONOWA 14 |
| Number of electors | 1 783 |
| Number of dispensed ballot cards | 278 |
| Number of valid ballot cards | 278 |
| Number of votes valid | 274 |
| Number of votes invalid | 4 |
| Number of dispensed ballot cards for plenipotentiaries | 0 |
| Protocol date | 05-12-2010 22:18 |
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 3 | Ganowicz Grzegorz | 50 | wyższe | Poznań, submitted by KOMITET WYBORCZY PLATFORMA OBYWATELSKA RP, member of Platformy Obywatelskiej Rzeczypospolitej Polskiej | 93 | 33,94% | |
| 4 | Grobelny Ryszard | 47 | wyższe | Poznań, submitted by KOMITET WYBORCZY WYBORCÓW RYSZARDA GROBELNEGO, not a member of any political party | 181 | 66,06% | |
| Vote on 21-11-2010 | |
| Office | Prezydent Miasta Poznania |
| Precinct | Precinct no. 42 |
| Electoral Commission Regional Headquarters | Szkoła Podstawowa Nr 79, ul. JESIONOWA 14 |
| Number of electors | 1 781 |
| Number of dispensed ballot cards | 457 |
| Number of valid ballot cards | 455 |
| Number of votes valid | 443 |
| Number of votes invalid | 12 |
| Number of dispensed ballot cards for plenipotentiaries | 0 |
| Protocol date | 22-11-2010 00:22 |
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 1 | Bachalski Dariusz Jacek | 46 | wyższe | Poznań, submitted by KOMITET WYBORCZY SOJUSZ LEWICY DEMOKRATYCZNEJ, member of Stronnictwa Demokratycznego | 40 | 9,03% | |
| 2 | Dziuba Tadeusz Antoni | 61 | wyższe | Poznań, submitted by KOMITET WYBORCZY PRAWO I SPRAWIEDLIWOŚĆ, not a member of any political party | 58 | 13,09% | |
| 3 | Ganowicz Grzegorz | 50 | wyższe | Poznań, submitted by KOMITET WYBORCZY PLATFORMA OBYWATELSKA RP, member of Platformy Obywatelskiej Rzeczypospolitej Polskiej | 99 | 22,35% | |
| 4 | Grobelny Ryszard | 47 | wyższe | Poznań, submitted by KOMITET WYBORCZY WYBORCÓW RYSZARDA GROBELNEGO, not a member of any political party | 219 | 49,44% | |
| 5 | Jaśkowiak Jacek | 46 | wyższe | Poznań, submitted by KOMITET WYBORCZY WYBORCÓW POROZUMIENIE MY.POZNANIACY, not a member of any political party | 23 | 5,19% | |
| 6 | Quandt Piotr | 53 | średnie | Poznań, submitted by KOMITET WYBORCZY WYBORCÓW AKTYWNY POZNAŃ, not a member of any political party | 4 | 0,90% | |