All assembly constituencies — Bihar assembly election, Feb 2005
243 assembly constituencies declared, sorted by largest victory.
| Assembly seat | State | Winner | Runner-up | Margin |
|---|---|---|---|---|
| PALIGANJ | Bihar | CPI(ML)(L)NAND KUMAR NANDA | RJDDINANATH SINGH YADAV | 3,2743.19% |
| RAGHOPUR | Bihar | JD(U)NIRAJ KUMAR SINGH BABLU | BSPMD. ZEYAUDDIN | 3,4992.91% |
| RAXAUL | Bihar | BJPDR. AJAY KUMAR SINGH | INDRAJNANDAN RAI | 2,8262.79% |
| NATHNAGAR | Bihar | JD(U)SUDHA SRIVASTAVA | RJDPRAWEJ KHAN | 3,3122.77% |
| SANDESH | Bihar | CPI(ML)(L)RAMESHWAR PRASAD | RJDVIJENDRA KUMAR YADAV | 2,7632.67% |
| CHAPRA | Bihar | JD(U)RAM PARVASH RAI | RJDUDIT RAI | 2,2492.46% |
| DINARA | Bihar | JD(U)RAM DHANI SINGH | BSPARUN KUMAR SINGH | 2,7782.43% |
| BHABHUA | Bihar | RJDDR. PRAMOD KUMAR SINGH | BSPANAND BHUSAN PANDEY | 3,1892.43% |
| PIRPAINTI | Bihar | RJDSHOBHA KANT MANDAL | CPIAMBIKA PRASAD | 2,7282.27% |
| RAJAULI | Bihar | RJDNAND KISHORE CHOUDHARY | LJPBANWARI RAM | 1,9262.17% |
| CHAINPUR | Bihar | RJDMAHABALI SINGH | BSPBRIJ KISHORE VIND | 2,2262.12% |
| VAISHALI | Bihar | JD(U)BRISHIN PATEL | INCVEENA SHAHI | 1,8371.94% |
| MOKAMEH | Bihar | JD(U)ANANT KUMAR SINGH | LJPNALINI RANJAN SHARMA | 1,8691.93% |
| MINAPUR | Bihar | RJDHIND KESHARI YADAV | JD(U)DINESH PRASAD | 1,8571.91% |
| DARAULI | Bihar | CPI(ML)(L)AMAR NATH YADAV | RJDSHEO SHANKER YADAV | 1,5731.88% |
| SUPAUL | Bihar | JD(U)BIJENDRA PRASAD YADAV | RJDISRAIL RAYEEN | 2,0781.88% |
| BANKA | Bihar | RJDJAWED IQBAL ANSARI | BJPRAM NARAYAN MANDAL | 1,9041.82% |
| RAJPUR | Bihar | JD(U)SHYAM PYARI DEVI | BSPSANTOSH KUMAR NIRALA | 1,5551.79% |
| PARBATTA | Bihar | JD(U)RAMANAND PRASAD SINGH | RJDRAKESH KUMAR | 1,9181.78% |
| KURTHA | Bihar | LJPSUCHITRA SINHA | RJDMAHESH PRASAD YADAV | 1,8421.78% |
| CHHATAPUR | Bihar | RJDMAHENDRA NARAYAN SARDAR | JD(U)VISHWA MOHAN BHARTI | 1,4431.74% |
| BISFI | Bihar | INDHARIBHUSHAN THAKUR | INCMD. AHMAR HASSAN | 1,4691.69% |
| PATEPUR | Bihar | LJPMAHENDRA BAITHA | RJDPREMA CHOUDHARY | 1,5381.67% |
| KISHANGANJ | Bihar | RJDAKHTARUL IMAN | BJPSANJEEV KUMAR YADAV | 2,0041.63% |
| LAKHISARAI | Bihar | BJPVIJAY KUMAR SINHA | RJDFULENA SINGH | 1,4481.60% |
| IMAMGANJ | Bihar | JD(U)UDAY NARAYAN CHAUDHARY | RJDRAM SWARUP PASWAN | 1,2711.57% |
| GOREAKOTHI | Bihar | BJPBHUMENDRA NARAIAN SINGH | RJDINDRADEO PRASAD | 1,2291.44% |
| LAUKAHA | Bihar | RJDANIS AHMAD | JD(U)HARI PRASAD SAH | 1,2421.41% |
| PURNEA | Bihar | BJPRAJ KISHORE KESHRI | SPRAM CHARITRA YADAV | 1,1741.02% |
| BALIA | Bihar | RJDSRINARAYAN YADAV | LJPJAMSHED ASRAF | 8160.87% |
| JALALPUR | Bihar | BJPJANARDAN SINGH 'SIGRIWAL' | RJDBALAGUL MOBIN | 6440.71% |
| KATORIA | Bihar | LJPRAJKISHORE PRASAD ALIAS PAPPU YADAV | RJDJANARDAN YADAV | 7890.70% |
| BIBHUTPUR | Bihar | CPMRAM DEO VERMA | LJPRAM BALAK SINGH | 8420.69% |
| TARAIYA | Bihar | LJPJANAK SINGH | RJDRAMDAS ROY | 4980.62% |
| SUGAULI | Bihar | RJDVIJAYPRASAD GUPTA | CPMRAMASHRAY SINGH | 6330.57% |
| ARARIA | Bihar | BJPPRADEEP KUMAR SINGH | INCMOIDUR RAHMAN | 6430.56% |
| CHERIA BARIARPUR | Bihar | LJPANIL CHOUDHARY | RJDRADHA KRISHNA SINGH | 5060.54% |
| BARARI | Bihar | NCPMUHAMMAD SAKUR | BJPVIBHASH CHAND CHOUDHARY | 4720.46% |
| NARPATGANJ | Bihar | RJDANIL KUMAR YADAV | BJPJANARDAN YADAV | 3690.31% |
| MOHANIA | Bihar | RJDSURESH PASI | JD(U)CHHEDI PASWAN | 3250.29% |
| RAMNAGAR | Bihar | BJPCHANDRA MOHAN RAI | LJPFAKHRUDDIN KHAN | 2500.26% |
| THAKURGANJ | Bihar | INCMD. JAWAID | SPTARACHANDRA DHANUKA | 1790.14% |
| LAURIA | Bihar | JD(U)PRADEEP SINGH | BSPSHAMBHU TIWARI | 540.06% |
