| m. Węgrów, Precinct no. 1 |
| Vote on 05-12-2010 | |
| Office | Burmistrz Węgrowa |
| Precinct | Precinct no. 1 |
| Electoral Commission Regional Headquarters | Przedszkole Nr 1, ul. Klonowa 4, Węgrów |
| Number of electors | 2 118 |
| Number of dispensed ballot cards | 603 |
| Number of valid ballot cards | 602 |
| Number of votes valid | 594 |
| Number of votes invalid | 8 |
| Number of dispensed ballot cards for plenipotentiaries | 0 |
| Protocol date | 06-12-2010 00:29 |
| 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 | 311 | 52,36% | |
| 2 | Siekierzyński Waldemar | 58 | Wyższe | Węgrów, submitted by KOMITET WYBORCZY WYBORCÓW WALDEMARA SIEKIERZYŃSKIEGO, not a member of any political party | 283 | 47,64% | |
| Vote on 21-11-2010 | |
| Office | Burmistrz Węgrowa |
| Precinct | Precinct no. 1 |
| Electoral Commission Regional Headquarters | Przedszkole Nr 1, ul. Klonowa 4, Węgrów |
| Number of electors | 2 126 |
| Number of dispensed ballot cards | 916 |
| Number of valid ballot cards | 916 |
| Number of votes valid | 898 |
| Number of votes invalid | 18 |
| Number of dispensed ballot cards for plenipotentiaries | 0 |
| Protocol date | 22-11-2010 07:57 |
| 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 | 405 | 45,10% | |
| 2 | Siekierzyński Waldemar | 58 | Wyższe | Węgrów, submitted by KOMITET WYBORCZY WYBORCÓW WALDEMARA SIEKIERZYŃSKIEGO, not a member of any political party | 281 | 31,29% | |
| 3 | Wyszogrodzki Krzysztof Jerzy | 58 | Wyższe | Węgrów, submitted by KOMITET WYBORCZY PRAWO I SPRAWIEDLIWOŚĆ, member of Prawa i Sprawiedliwości | 212 | 23,61% | |