| m. Płońsk, Precinct no. 12 |
| Vote on 05-12-2010 | |
| Office | Burmistrz Miasta Płońska |
| Precinct | Precinct no. 12 |
| Electoral Commission Regional Headquarters | Punkt Profilaktyki Uzależnień i Pomocy Rodzinie,ul Świętego Maksymiliana Kolbe 9,Płońsk |
| Number of electors | 1 260 |
| Number of dispensed ballot cards | 539 |
| Number of valid ballot cards | 539 |
| Number of votes valid | 534 |
| Number of votes invalid | 5 |
| Number of dispensed ballot cards for plenipotentiaries | 0 |
| Protocol date | 05-12-2010 23:05 |
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 1 | Mucha Małgorzata Ewa | 40 | wyższe | Szerominek, submitted by KOMITET WYBORCZY SOJUSZ LEWICY DEMOKRATYCZNEJ, not a member of any political party | 265 | 49,63% | |
| 2 | Pietrasik Andrzej Józef | 53 | wyższe | Płońsk, submitted by KOMITET WYBORCZY WYBORCÓW POROZUMIENIE SAMORZ. ZIEMI PŁOŃSKIEJ, not a member of any political party | 269 | 50,37% | |
| Vote on 21-11-2010 | |
| Office | Burmistrz Miasta Płońska |
| Precinct | Precinct no. 12 |
| Electoral Commission Regional Headquarters | Punkt Profilaktyki Uzależnień i Pomocy Rodzinie,ul Świętego Maksymiliana Kolbe 9,Płońsk |
| Number of electors | 1 260 |
| Number of dispensed ballot cards | 682 |
| Number of valid ballot cards | 682 |
| Number of votes valid | 667 |
| Number of votes invalid | 15 |
| Number of dispensed ballot cards for plenipotentiaries | 0 |
| Protocol date | 22-11-2010 07:37 |
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 1 | Mucha Małgorzata Ewa | 40 | wyższe | Szerominek, submitted by KOMITET WYBORCZY SOJUSZ LEWICY DEMOKRATYCZNEJ, not a member of any political party | 118 | 17,69% | |
| 2 | Pietrasik Andrzej Józef | 53 | wyższe | Płońsk, submitted by KOMITET WYBORCZY WYBORCÓW POROZUMIENIE SAMORZ. ZIEMI PŁOŃSKIEJ, not a member of any political party | 274 | 41,08% | |
| 3 | Stolpa Andrzej | 53 | wyższe | Płońsk, submitted by KOMITET WYBORCZY POLSKIE STRONNICTWO LUDOWE, not a member of any political party | 113 | 16,94% | |
| 4 | Tucholski Krzysztof | 33 | wyższe | Płońsk, submitted by KOMITET WYBORCZY WYBORCÓW KRAJOWA WSPÓLNOTA SAMORZĄDOWA, not a member of any political party | 144 | 21,59% | |
| 5 | Zienkiewicz Henryk | 61 | wyższe | Płońsk, submitted by KOMITET WYBORCZY WYBORCÓW HENRYKA ZIENKIEWICZA PŁOŃSK NASZE MIASTO, not a member of any political party | 18 | 2,70% | |