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| . | . | Number of people entitled to vote, Number of ballot papers issued | . | . |   
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| No. | Name | No. of people entitled to vote
 | No. of ballot papers issued
 | No. of votes | No. of: ballot papers issued / entitled to vote [%] |   
| total | valid |  | 141602 | Andrzejewo, gm. | 3574 | 1960 | 1960 | 1956 | 54.84 |  |  | 141603 | Boguty-Pianki, gm. | 2293 | 1392 | 1392 | 1389 | 60.71 |  |  | 141604 | Brok, gm. | 2431 | 1284 | 1284 | 1277 | 52.82 |  |  | 141605 | Małkinia Górna, gm. | 9849 | 5066 | 5066 | 5025 | 51.44 |  |  | 141606 | Nur, gm. | 2622 | 1508 | 1508 | 1495 | 57.51 |  |  | 141607 | Ostrów Mazowiecka, gm. | 10018 | 4774 | 4774 | 4746 | 47.65 |  |  | 141601 | Ostrów Mazowiecka, m. | 18293 | 9681 | 9680 | 9627 | 52.92 |  |  | 141608 | Stary Lubotyń, gm. | 3085 | 1551 | 1550 | 1528 | 50.28 |  |  | 141609 | Szulborze Wielkie, gm. | 1509 | 733 | 733 | 732 | 48.58 |  |  | 141610 | Wąsewo, gm. | 3692 | 1663 | 1663 | 1650 | 45.04 |  |  | 141611 | Zaręby Kościelne, gm. | 3129 | 1540 | 1540 | 1523 | 49.22 |  |   
|  | ostrowski | 60495 | 31152 | 31150 | 30948 | 51.50 |  |  |  
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