| gm. Jarocin, Precinct no. 20 |
| Vote on 26-02-2012 | |
| Precinct | Precinct no. 20 |
| Electoral Commission Regional Headquarters | Szkoła Podstawowa Nr 4, ul. Marii Curie-Skłodowskiej 4, 63-200 Jarocin |
| Number of electors | 2 076 |
| Number of dispensed ballot cards | 795 |
| Number of valid ballot cards | 795 |
| Number of votes valid | 780 |
| Number of votes invalid | 15 |
| Number of dispensed ballot cards for plenipotentiaries | 2 |
| Protocol date | 26-02-2012 22:52 |
| 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 | 343 | 43,97% | |
| 3 | Martuzalski Stanisław Franciszek | 54 | średnie | Jarocin, submitted by KOMITET WYBORCZY WYBORCÓW STANISŁAWA FRANCISZKA MARTUZALSKIEGO, member of Platformy Obywatelskiej Rzeczypospolitej Polskiej | 437 | 56,03% | |
| Vote on 12-02-2012 | |
| Precinct | Precinct no. 20 |
| Electoral Commission Regional Headquarters | Szkoła Podstawowa Nr 4, ul. Marii Curie-Skłodowskiej 4, 63-200 Jarocin |
| Number of electors | 2 070 |
| Number of dispensed ballot cards | 734 |
| Number of valid ballot cards | 733 |
| Number of votes valid | 726 |
| Number of votes invalid | 7 |
| Number of dispensed ballot cards for plenipotentiaries | 2 |
| Protocol date | 12-02-2012 22:46 |
| 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 | 233 | 32,09% | |
| 2 | Kostka Mikołaj | 30 | wyższe | Jarocin, submitted by KOMITET WYBORCZY WYBORCÓW MIKOŁAJA KOSTKI, member of Sojuszu Lewicy Demokratycznej | 234 | 32,23% | |
| 3 | Martuzalski Stanisław Franciszek | 54 | średnie | Jarocin, submitted by KOMITET WYBORCZY WYBORCÓW STANISŁAWA FRANCISZKA MARTUZALSKIEGO, member of Platformy Obywatelskiej Rzeczypospolitej Polskiej | 259 | 35,67% | |