| Poznań, Precinct no. 257 |
| Vote on 05-12-2010 | |
| Office | Prezydent Miasta Poznania |
| Precinct | Precinct no. 257 |
| Electoral Commission Regional Headquarters | Zespół Szkół Ogólnokształcących Nr 15, os. BOLESŁAWA CHROBREGO 107 |
| Number of electors | 2 076 |
| Number of dispensed ballot cards | 529 |
| Number of valid ballot cards | 529 |
| Number of votes valid | 523 |
| Number of votes invalid | 6 |
| Number of dispensed ballot cards for plenipotentiaries | 0 |
| Protocol date | 05-12-2010 22:17 |
| 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 | 146 | 27,92% | |
| 4 | Grobelny Ryszard | 47 | wyższe | Poznań, submitted by KOMITET WYBORCZY WYBORCÓW RYSZARDA GROBELNEGO, not a member of any political party | 377 | 72,08% | |
| Vote on 21-11-2010 | |
| Office | Prezydent Miasta Poznania |
| Precinct | Precinct no. 257 |
| Electoral Commission Regional Headquarters | Zespół Szkół Ogólnokształcących Nr 15, os. BOLESŁAWA CHROBREGO 107 |
| Number of electors | 2 081 |
| Number of dispensed ballot cards | 824 |
| Number of valid ballot cards | 824 |
| Number of votes valid | 817 |
| Number of votes invalid | 7 |
| Number of dispensed ballot cards for plenipotentiaries | 0 |
| Protocol date | 22-11-2010 01:14 |
| 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 | 51 | 6,24% | |
| 2 | Dziuba Tadeusz Antoni | 61 | wyższe | Poznań, submitted by KOMITET WYBORCZY PRAWO I SPRAWIEDLIWOŚĆ, not a member of any political party | 99 | 12,12% | |
| 3 | Ganowicz Grzegorz | 50 | wyższe | Poznań, submitted by KOMITET WYBORCZY PLATFORMA OBYWATELSKA RP, member of Platformy Obywatelskiej Rzeczypospolitej Polskiej | 164 | 20,07% | |
| 4 | Grobelny Ryszard | 47 | wyższe | Poznań, submitted by KOMITET WYBORCZY WYBORCÓW RYSZARDA GROBELNEGO, not a member of any political party | 425 | 52,02% | |
| 5 | Jaśkowiak Jacek | 46 | wyższe | Poznań, submitted by KOMITET WYBORCZY WYBORCÓW POROZUMIENIE MY.POZNANIACY, not a member of any political party | 67 | 8,20% | |
| 6 | Quandt Piotr | 53 | średnie | Poznań, submitted by KOMITET WYBORCZY WYBORCÓW AKTYWNY POZNAŃ, not a member of any political party | 11 | 1,35% | |