| gm. Jarocin, Precinct no. 18 |
| Vote on 26-02-2012 | |
| Precinct | Precinct no. 18 |
| Electoral Commission Regional Headquarters | Zespół Szkół Ponadgimnazjalnych Nr 2, ul. Franciszkańska 2, 63-200 Jarocin |
| Number of electors | 2 185 |
| Number of dispensed ballot cards | 826 |
| Number of valid ballot cards | 826 |
| Number of votes valid | 808 |
| Number of votes invalid | 18 |
| Number of dispensed ballot cards for plenipotentiaries | 3 |
| Protocol date | 26-02-2012 22:42 |
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 1 | Kaźmierczak Robert | 38 | wyższe | Jarocin, submitted by KOMITET WYBORCZY WYBORCÓW ROBERT KAŹMIERCZAK ZIEMIA JAROCIŃSKA, not a member of any political party | 334 | 41,34% | |
| 3 | Martuzalski Stanisław Franciszek | 54 | średnie | Jarocin, submitted by KOMITET WYBORCZY WYBORCÓW STANISŁAWA FRANCISZKA MARTUZALSKIEGO, member of Platformy Obywatelskiej Rzeczypospolitej Polskiej | 474 | 58,66% | |
| Vote on 12-02-2012 | |
| Precinct | Precinct no. 18 |
| Electoral Commission Regional Headquarters | Zespół Szkół Ponadgimnazjalnych Nr 2, ul. Franciszkańska 2, 63-200 Jarocin |
| Number of electors | 2 184 |
| Number of dispensed ballot cards | 776 |
| Number of valid ballot cards | 776 |
| Number of votes valid | 766 |
| Number of votes invalid | 10 |
| Number of dispensed ballot cards for plenipotentiaries | 0 |
| Protocol date | 12-02-2012 22:53 |
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 1 | Kaźmierczak Robert | 38 | wyższe | Jarocin, submitted by KOMITET WYBORCZY WYBORCÓW ROBERT KAŹMIERCZAK ZIEMIA JAROCIŃSKA, not a member of any political party | 250 | 32,64% | |
| 2 | Kostka Mikołaj | 30 | wyższe | Jarocin, submitted by KOMITET WYBORCZY WYBORCÓW MIKOŁAJA KOSTKI, member of Sojuszu Lewicy Demokratycznej | 193 | 25,20% | |
| 3 | Martuzalski Stanisław Franciszek | 54 | średnie | Jarocin, submitted by KOMITET WYBORCZY WYBORCÓW STANISŁAWA FRANCISZKA MARTUZALSKIEGO, member of Platformy Obywatelskiej Rzeczypospolitej Polskiej | 323 | 42,17% | |