Explore the complete constituency-wise results of the 2009 Lok Sabha elections in Bihar. This page lists every parliamentary constituency in the state with the winning candidate, their party affiliation, total votes polled, voter turnout percentage, and victory margin.
India's Lok Sabha elections use the First-Past-The-Post (FPTP) system, where the candidate with the most votes in each constituency wins the seat. Click on any constituency name below to view the full candidate-wise breakdown, vote shares, and detailed analysis.
Seat data is not available for this selection.
| Sno. | Constituency | Type | State | Winning Candidate | Party | Electors | Votes | Turnout | Margin | Margin% | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 42-Valmiki Nagar | GEN | Bihar | Baidyanath Prasad Mahto | Janata Dal (United) | 1275653 | 598456 | 46.90% | 183675 | 30.70% | 2009 |
| 2 | 43-Paschim Champaran | GEN | Bihar | Dr. Sanjay Jaiswal | Bharatiya Janta Party | 1220868 | 515490 | 42.20% | 47343 | 9.20% | 2009 |
| 3 | 44-Purvi Champaran | GEN | Bihar | Radha Mohan Singh | Bharatiya Janta Party | 1187264 | 482094 | 40.60% | 79290 | 16.40% | 2009 |
| 4 | 45-Sheohar | GEN | Bihar | Rama Devi | Bharatiya Janta Party | 1269056 | 573012 | 45.20% | 125684 | 21.90% | 2009 |
| 5 | 46-Sitamarhi | GEN | Bihar | Arjun Roy | Janata Dal (United) | 1355817 | 576772 | 42.50% | 110566 | 19.20% | 2009 |
| 6 | 47-Madhubani | GEN | Bihar | Hukmadeo Narayan Yadav | Bharatiya Janta Party | 1397256 | 556572 | 39.80% | 9927 | 1.80% | 2009 |
| 7 | 48-Jhanjharpur | GEN | Bihar | Mangani Lal Mandal | Janata Dal (United) | 1418977 | 607835 | 42.80% | 72709 | 12.00% | 2009 |
| 8 | 49-Supaul | GEN | Bihar | Vishwa Mohan Kumar | Janata Dal (United) | 1279549 | 697682 | 54.50% | 166075 | 23.80% | 2009 |
| 9 | 50-Araria | GEN | Bihar | Pradeep Kumar Singh | Bharatiya Janta Party | 1311225 | 730459 | 55.70% | 22502 | 3.10% | 2009 |
| 10 | 51-Kishanganj | GEN | Bihar | Mohammad Asrarul Haque | Indian National Congress | 1186369 | 626914 | 52.80% | 80269 | 12.80% | 2009 |
| 11 | 52-Katihar | GEN | Bihar | Nikhil Kumar Choudhary | Bharatiya Janta Party | 1272769 | 724942 | 57.00% | 14015 | 1.90% | 2009 |
| 12 | 53-Purnia | GEN | Bihar | Uday Singh Alias Pappu Singh | Bharatiya Janta Party | 1305396 | 704866 | 54.00% | 186227 | 26.40% | 2009 |
| 13 | 54-Madhepura | GEN | Bihar | Sharad Yadav | Janata Dal (United) | 1508361 | 756468 | 50.20% | 177621 | 23.50% | 2009 |
| 14 | 55-Darbhanga | GEN | Bihar | Kirti Azad | Bharatiya Janta Party | 1307067 | 545726 | 41.80% | 46453 | 8.50% | 2009 |
| 15 | 56-Muzaffarpur | GEN | Bihar | Captain Jai Narayan Prasad Nishad | Janata Dal (United) | 1339949 | 621870 | 46.40% | 47809 | 7.70% | 2009 |
| 16 | 57-Vaishali | GEN | Bihar | Raghuvansh Prasad Singh | Rashtriya Janata Dal | 1278891 | 624863 | 48.90% | 22308 | 3.60% | 2009 |
| 17 | 58-Gopalganj | SC | Bihar | Purnmasi Ram | Janata Dal (United) | 1349072 | 504611 | 37.40% | 42472 | 8.40% | 2009 |
| 18 | 59-Siwan | GEN | Bihar | Om Prakash Yadav | Independent | 1282480 | 642234 | 50.10% | 63430 | 9.90% | 2009 |
| 19 | 60-Maharajganj | GEN | Bihar | Uma Shanaker Singh | Rashtriya Janata Dal | 1312219 | 599531 | 45.70% | 2797 | 0.50% | 2009 |
| 20 | 61-Saran | GEN | Bihar | Lalu Prasad | Rashtriya Janata Dal | 1268338 | 580830 | 45.80% | 51815 | 8.90% | 2009 |
| 21 | 62-Hajipur | SC | Bihar | Ram Sundar Das | Janata Dal (United) | 1327075 | 555110 | 41.80% | 37954 | 6.80% | 2009 |
| 22 | 63-Ujiarpur | GEN | Bihar | Aswamedh Devi | Janata Dal (United) | 1229327 | 564247 | 45.90% | 25312 | 4.50% | 2009 |
| 23 | 64-Samastipur | SC | Bihar | Maheshwar Hazari | Janata Dal (United) | 1312948 | 584752 | 44.50% | 104376 | 17.80% | 2009 |
| 24 | 65-Begusarai | GEN | Bihar | Munde Gopinathrao Pandurang | Bharatiya Janta Party | 1637239 | 1074052 | 65.60% | 140952 | 13.10% | 2009 |
| 25 | 66-Khagaria | GEN | Bihar | Dinesh Chandra Yadav | Janata Dal (United) | 1342970 | 624966 | 46.50% | 138755 | 22.20% | 2009 |
| 26 | 67-Bhagalpur | SC | Bihar | Arjun Charan Sethi | Biju Janata Dal | 1372356 | 929526 | 67.70% | 54938 | 5.90% | 2009 |
| 27 | 68-Banka | GEN | Bihar | Digvijay Singh | Independent | 1338025 | 652097 | 48.70% | 28716 | 4.40% | 2009 |
| 28 | 69-Munger | GEN | Bihar | Rajiv Ranjan Singh Alias Lalan Singh | Janata Dal (United) | 1564604 | 651035 | 41.60% | 189361 | 29.10% | 2009 |
| 29 | 70-Nalanda | GEN | Bihar | Kaushalendra Kumar | Janata Dal (United) | 1719503 | 568233 | 33.10% | 152677 | 26.90% | 2009 |
| 30 | 71-Patna Sahib | GEN | Bihar | Shatrughan Sinha | Bharatiya Janta Party | 1641976 | 552538 | 33.70% | 166770 | 30.20% | 2009 |
| 31 | 72-Pataliputra | GEN | Bihar | Ranjan Prasad Yadav | Janata Dal (United) | 1526241 | 628364 | 41.20% | 23541 | 3.70% | 2009 |
| 32 | 73-Arrah | GEN | Bihar | Meena Singh | Janata Dal (United) | 1555122 | 556364 | 35.80% | 74720 | 13.40% | 2009 |
| 33 | 74-Buxar | GEN | Bihar | Jagada Nand Singh | Rashtriya Janata Dal | 1340892 | 623629 | 46.50% | 2238 | 0.40% | 2009 |
| 34 | 75-Sasaram | SC | Bihar | Meira Kumar | Indian National Congress | 1402789 | 599031 | 42.70% | 42954 | 7.20% | 2009 |
| 35 | 76-Karakat | GEN | Bihar | Mahabali Singh | Janata Dal (United) | 1386634 | 577454 | 41.60% | 20483 | 3.50% | 2009 |
| 36 | 77-Jahanabad | GEN | Bihar | Jagdish Sharma | Janata Dal (United) | 1276912 | 599175 | 46.90% | 21327 | 3.60% | 2009 |
| 37 | 78-Aurangabad | GEN | Bihar | Sushil Kumar Singh | Janata Dal (United) | 1376323 | 598332 | 43.50% | 72058 | 12.00% | 2009 |
| 38 | 79-Gaya | SC | Bihar | Hari Manjhi | Bharatiya Janta Party | 1329192 | 563429 | 42.40% | 62453 | 11.10% | 2009 |
| 39 | 80-Nawada | GEN | Bihar | Bhola Singh | Bharatiya Janta Party | 1397512 | 581583 | 41.60% | 34917 | 6.00% | 2009 |
| 40 | 81-Jamui | SC | Bihar | Bhudeo Choudhary | Janata Dal (United) | 1404016 | 535288 | 38.10% | 29797 | 5.60% | 2009 |
The 2009 Lok Sabha election in Bihar covered 40 parliamentary constituencies. The average voter turnout across the state was 45.6%, reflecting the level of democratic participation among registered electors.
Each constituency in the table above uses India's First-Past-The-Post (FPTP) electoral system, where the candidate receiving the highest number of votes wins the seat regardless of whether they secure an absolute majority. The margin column shows how closely contested each seat was — narrower margins indicate more competitive races.
How to read this data: Click any constituency name to see the full candidate list with individual vote counts, vote share percentages, and visual comparisons. The Type column indicates whether a constituency is General (GEN), Scheduled Caste (SC), or Scheduled Tribe (ST) reserved.