All assembly constituencies — Bihar assembly election, Feb 1985
324 assembly constituencies declared, sorted by largest victory.
| Assembly seat | State | Winner | Runner-up | Margin |
|---|---|---|---|---|
| KUMARKHAND | Bihar | LKDNAWAL KISHORE BHARTI | INCYASHODA DEVI | 9771.34% |
| TARAIYA | Bihar | BJPRAM DAS RAI | INCRAJENDRA SINGH KASHYAP | 8731.32% |
| SIMRI-BAKHTIARPUR | Bihar | INCCHOUDHARY MOHAMMAD SALAHIDDIN | LKDDINESH CHANDRA YADAV | 1,6761.29% |
| RAJAULI | Bihar | INDBANWARI RAM | BJPBABU LAL | 1,0811.28% |
| CHAKRADHARPUR | Bihar | BJPJAGARNATH BAKIRA | INCMAN RAI SINGH BODRA | 5051.21% |
| CHANDANKIYARI | Bihar | INCLATA DEVI (MALI) | BJPPADAMLOCHAN RAJWAR | 4281.06% |
| SINGHESHWAR | Bihar | LKDRAMENDRA KUMAR YADAV RAVI | INCANANT KUMAR SINGH | 8510.96% |
| SAHEBGANJ | Bihar | INCSHIV SHARAN SINGH | LKDKRISHNA KU. SINHA | 8170.91% |
| ALAMNAGAR | Bihar | LKDBIRENDRA KU. SINGH | INCVIDYAKAR KAVI | 7210.88% |
| BAGODAR | Bihar | LKDGAUTAM SAGAR RANA | INCMAYURDHWAJA NARAYAN | 4560.84% |
| GODDA | Bihar | JMMSUMRIT MANDAL | INCHEMANT KU. JHA | 6380.80% |
| RAMGARH | Bihar | INCJAMUNA PRASAD SHARMA | CPISABIR AHMED QURESHI | 4610.65% |
| PATEPUR | Bihar | INCBALESHWAR SINGH PASWAN | LKDPALTAN RAM | 4030.58% |
| RAJMAHAL | Bihar | BJPDHRUVA BHAGAT | INCDASRATH MISHRA | 3970.56% |
| DHANAHA | Bihar | LKDNARDESHWAR PRASAD KUSHWAHA | INDARUN KUMAR TIWARI | 2500.54% |
| NOKHA | Bihar | INCSUMITRA DEVI | LKDCHAUDHARY JANGI SINGH | 4220.50% |
| MADHEPURA | Bihar | INCBHOLI PRASAD MANDAL | LKDRADHA KANT YADAV | 3950.42% |
| ISLAMPUR | Bihar | INCRAM SWAROOP PRASAD | CPIKRISHAN BALLABH PD. SINGH | 4290.37% |
| KANTI | Bihar | SUCNALINI RANJAN SINGH | LKDTARKESHARI SINHA | 2090.31% |
| BIHAR | Bihar | INCSHAKIL UZZAMA | BJPDEONATH PRASAD | 3770.28% |
| BARHI | Bihar | INCNIRANJAN PRASAD SINGH | CPIRAM LAKHAN SINGH | 1040.23% |
| PIRO | Bihar | LKDRAGHU PATI GOPE | JNPRADHA MOHAN RAI | 990.13% |
| TORPA | Bihar | INDNIRAL ENEM HORO | INCLEYANDRA TIRU | 390.09% |
| TUNDI | Bihar | BJPSATYA NARAYAN DUDANI | INCUDAI KUMAR SINGH | 240.04% |
