| gm. Kościerzyna, Precinct no. 12 |
| Vote on 05-12-2010 | |
| Office | Wójt Gminy Kościerzyna |
| Precinct | Precinct no. 12 |
| Electoral Commission Regional Headquarters | Szkoła Podstawowa, Wielki Podleś |
| Number of electors | 532 |
| Number of dispensed ballot cards | 291 |
| Number of valid ballot cards | 291 |
| Number of votes valid | 289 |
| Number of votes invalid | 2 |
| Number of dispensed ballot cards for plenipotentiaries | 0 |
| Protocol date | 05-12-2010 22:14 |
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 1 | Nadolny Tomasz Łukasz | 33 | wyższe | Wielki Klincz, submitted by KOMITET WYBORCZY WYBORCÓW WSPÓLNA GMINA, not a member of any political party | 120 | 41,52% | |
| 2 | Piechowski Grzegorz Tadeusz | 50 | wyższe | Wielki Klincz, submitted by KOMITET WYBORCZY WYBORCÓW GMINA DLA CIEBIE, not a member of any political party | 169 | 58,48% | |
| Vote on 21-11-2010 | |
| Office | Wójt Gminy Kościerzyna |
| Precinct | Precinct no. 12 |
| Electoral Commission Regional Headquarters | Szkoła Podstawowa, Wielki Podleś |
| Number of electors | 532 |
| Number of dispensed ballot cards | 346 |
| Number of valid ballot cards | 346 |
| Number of votes valid | 345 |
| Number of votes invalid | 1 |
| Number of dispensed ballot cards for plenipotentiaries | 0 |
| Protocol date | 22-11-2010 00:20 |
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 1 | Nadolny Tomasz Łukasz | 33 | wyższe | Wielki Klincz, submitted by KOMITET WYBORCZY WYBORCÓW WSPÓLNA GMINA, not a member of any political party | 112 | 32,46% | |
| 2 | Piechowski Grzegorz Tadeusz | 50 | wyższe | Wielki Klincz, submitted by KOMITET WYBORCZY WYBORCÓW GMINA DLA CIEBIE, not a member of any political party | 110 | 31,88% | |
| 3 | Świtała Grzegorz Tomasz | 33 | wyższe | Wielki Klincz, submitted by KOMITET WYBORCZY WYBORCÓW TWOJA GMINA KOŚCIERZYNA, not a member of any political party | 123 | 35,65% | |