| m. Węgrów, Precinct no. 4 |
| Vote on 05-12-2010 | |
| Office | Burmistrz Węgrowa |
| Precinct | Precinct no. 4 |
| Electoral Commission Regional Headquarters | Szkoła Podstawowa, ul. Kościuszki 16, Węgrów |
| Number of electors | 2 092 |
| Number of dispensed ballot cards | 735 |
| Number of valid ballot cards | 735 |
| Number of votes valid | 730 |
| Number of votes invalid | 5 |
| Number of dispensed ballot cards for plenipotentiaries | 1 |
| Protocol date | 06-12-2010 00:07 |
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 1 | Grenda Jarosław | 49 | Wyższe | Węgrów, submitted by KOMITET WYBORCZY WYBORCÓW SAMORZĄDOWE POROZUMIENIE OBYWATELI, member of Platformy Obywatelskiej Rzeczypospolitej Polskiej | 446 | 61,10% | |
| 2 | Siekierzyński Waldemar | 58 | Wyższe | Węgrów, submitted by KOMITET WYBORCZY WYBORCÓW WALDEMARA SIEKIERZYŃSKIEGO, not a member of any political party | 284 | 38,90% | |
| Vote on 21-11-2010 | |
| Office | Burmistrz Węgrowa |
| Precinct | Precinct no. 4 |
| Electoral Commission Regional Headquarters | Szkoła Podstawowa, ul. Kościuszki 16, Węgrów |
| Number of electors | 2 090 |
| Number of dispensed ballot cards | 1 092 |
| Number of valid ballot cards | 1 088 |
| Number of votes valid | 1 071 |
| Number of votes invalid | 17 |
| Number of dispensed ballot cards for plenipotentiaries | 4 |
| Protocol date | 22-11-2010 04:10 |
| No. | Family name and given names | Age | Education | Address, party membership and endorsements | Number of votes | Votes % | |
| 1 | Grenda Jarosław | 49 | Wyższe | Węgrów, submitted by KOMITET WYBORCZY WYBORCÓW SAMORZĄDOWE POROZUMIENIE OBYWATELI, member of Platformy Obywatelskiej Rzeczypospolitej Polskiej | 511 | 47,71% | |
| 2 | Siekierzyński Waldemar | 58 | Wyższe | Węgrów, submitted by KOMITET WYBORCZY WYBORCÓW WALDEMARA SIEKIERZYŃSKIEGO, not a member of any political party | 277 | 25,86% | |
| 3 | Wyszogrodzki Krzysztof Jerzy | 58 | Wyższe | Węgrów, submitted by KOMITET WYBORCZY PRAWO I SPRAWIEDLIWOŚĆ, member of Prawa i Sprawiedliwości | 283 | 26,42% | |