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| . | . | Turnout in Presidential Election | . | . |  
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| Polska / mazowieckie, woj. / ostrołęcki, pow. ... |   
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| ostrołęcki, pow. |   
| Statistics on 30.06.2005 |   
| Population: | 87256 |   
| Area: | 2099.32 km2 |   
| Population density: | 41 os/km2 |   
| Summary voting results |   
| Number of people entitled to vote: | 64218 |   
| Number of ballot papers issued: | 28255 |   
| Total votes: | 28246 |   
| Number of valid votes: | 27994 |   
|  44.00% |  |  | lack | 37.51% | 38.68% | 39.85% | 41.02% | 42.19% | 43.36% | 44.53% | 45.70% | 46.87% | 48.04% |  |  | . | . | . | . | . | . | . | . | . | . | . | . |  | of data | 38.67% | 39.84% | 41.01% | 42.18% | 43.35% | 44.52% | 45.69% | 46.86% | 48.03% | 49.21% |  |  
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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 |  | 141501 | Baranowo, gm. | 5372 | 2363 | 2362 | 2350 | 43.99 |  |  | 141502 | Czarnia, gm. | 2062 | 800 | 800 | 789 | 38.80 |  |  | 141503 | Czerwin, gm. | 4216 | 1911 | 1908 | 1898 | 45.33 |  |  | 141504 | Goworowo, gm. | 6981 | 2619 | 2617 | 2597 | 37.52 |  |  | 141505 | Kadzidło, gm. | 8200 | 3660 | 3660 | 3635 | 44.63 |  |  | 141506 | Lelis, gm. | 5989 | 2945 | 2945 | 2915 | 49.17 |  |  | 141507 | Łyse, gm. | 6103 | 2417 | 2416 | 2393 | 39.60 |  |  | 141508 | Myszyniec, gm. | 7985 | 3559 | 3558 | 3502 | 44.57 |  |  | 141509 | Olszewo-Borki, gm. | 6811 | 3196 | 3195 | 3173 | 46.92 |  |  | 141510 | Rzekuń, gm. | 6567 | 2956 | 2956 | 2940 | 45.01 |  |  | 141511 | Troszyn, gm. | 3932 | 1829 | 1829 | 1802 | 46.52 |  |   
|  | ostrołęcki, pow. | 64218 | 28255 | 28246 | 27994 | 44.00 |  |  |  
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