 
| Olsztyn, Precinct no. 20 | 
| Vote on 05-12-2010 | |
| Office | Prezydent Miasta Olsztyn | 
| Precinct | Precinct no. 20 | 
| Electoral Commission Regional Headquarters | Szkoła Podstawowa Nr 18 im. Orła Białego, ul. Żytnia 71, Olsztyn | 
| Number of electors | 2 462 | 
| Number of dispensed ballot cards | 1 299 | 
| Number of valid ballot cards | 1 298 | 
| Number of votes valid | 1 281 | 
| Number of votes invalid | 17 | 
| Number of dispensed ballot cards for plenipotentiaries | 1 | 
| Protocol date | 05-12-2010 22:45 | 
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 2 | Grzymowicz Piotr Władysław | 56 | wyższe | Olsztyn, submitted by KOMITET WYBORCZY WYBORCÓW PIOTRA GRZYMOWICZA, not a member of any political party | 813 | 63,47% | |
| 5 | Małkowski Czesław Jerzy | 60 | wyższe | Olsztyn, submitted by KOMITET WYBORCZY WYBORCÓW CZESŁAWA JERZEGO MAŁKOWSKIEGO, not a member of any political party | 468 | 36,53% | |
| Vote on 21-11-2010 | |
| Office | Prezydent Miasta Olsztyn | 
| Precinct | Precinct no. 20 | 
| Electoral Commission Regional Headquarters | Szkoła Podstawowa Nr 18 im. Orła Białego, ul. Żytnia 71, Olsztyn | 
| Number of electors | 2 460 | 
| Number of dispensed ballot cards | 1 326 | 
| Number of valid ballot cards | 1 318 | 
| Number of votes valid | 1 310 | 
| Number of votes invalid | 8 | 
| Number of dispensed ballot cards for plenipotentiaries | 0 | 
| Protocol date | 22-11-2010 05:51 | 
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 1 | Cichoń Janusz | 53 | wyższe | Olsztyn, submitted by KOMITET WYBORCZY PLATFORMA OBYWATELSKA RP, member of Platformy Obywatelskiej Rzeczypospolitej Polskiej | 215 | 16,41% | |
| 2 | Grzymowicz Piotr Władysław | 56 | wyższe | Olsztyn, submitted by KOMITET WYBORCZY WYBORCÓW PIOTRA GRZYMOWICZA, not a member of any political party | 559 | 42,67% | |
| 3 | Kucharski Jan | 68 | wyższe | Olsztyn, submitted by KOMITET WYBORCZY WYBORCÓW WSPÓLNOTA SAMORZĄDOWA PRAWICY, endorsed by Prawicę Rzeczypospolitej, member of Prawicy Rzeczypospolitej | 8 | 0,61% | |
| 4 | Kulasek Marcin Robert | 34 | wyższe | Olsztyn, submitted by KOMITET WYBORCZY SOJUSZ LEWICY DEMOKRATYCZNEJ, member of Sojuszu Lewicy Demokratycznej | 17 | 1,30% | |
| 5 | Małkowski Czesław Jerzy | 60 | wyższe | Olsztyn, submitted by KOMITET WYBORCZY WYBORCÓW CZESŁAWA JERZEGO MAŁKOWSKIEGO, not a member of any political party | 386 | 29,47% | |
| 6 | Prątkowski Ryszard | 58 | wyższe | Olsztyn, submitted by KOMITET WYBORCZY WYBORCÓW ZIELONY OLSZTYN - MŁODZI SOCJALIŚCI, not a member of any political party | 9 | 0,69% | |
| 7 | Szmit Jerzy | 50 | Wyższe | Olsztyn, submitted by KOMITET WYBORCZY PRAWO I SPRAWIEDLIWOŚĆ, member of Prawa i Sprawiedliwości | 116 | 8,85% | |