All assembly constituencies — Bihar assembly election, Jun 1980
324 assembly constituencies declared, sorted by largest victory.
| Assembly seat | State | Winner | Runner-up | Margin |
|---|---|---|---|---|
| HASANPUR | Bihar | JNPSCGAJENDRA PRASAD HIMANSU | CPIPRAYAG CHAND MUKHIA | 3,0314.24% |
| BARACHATTI | Bihar | INC(I)G. S. RAMCHANDRA DASS | INC(U)MOHAN RAM | 2,3734.20% |
| THAKURGANJ | Bihar | INC(I)MOH. HUSSAIN AZAD | JNPJPMOH. SULAIMAN | 2,5074.19% |
| SILLI | Bihar | CPMRAJENDRA SINGH | JNPSCRAMESHWAR MAHTO | 2,1494.18% |
| ZIRADEI | Bihar | JNPSCRAGHAV PRASAD | JNPJPVIPENDRA KUMAR VERMA | 2,6784.12% |
| GURUA | Bihar | INC(I)MD. SHAHJAN | JNPJPSHANKAR DAYAL SINGH | 3,1034.07% |
| HILSA | Bihar | BJPJAGDISH PRASAD | JNPSRBHOLA PRASAD SINGH | 3,9113.99% |
| SAHAR | Bihar | JNPSCDINESHWAR PRASAD | INC(I)RAJDEO RAM | 2,2433.98% |
| AMARPUR | Bihar | INC(I)NIL MOHAN SINGH | JNPSCDHIRENDRA PRASAD YADAV | 3,0003.76% |
| MADHUBANI | Bihar | JNPSCRAJ KUMAR MAHASETH | INC(I)PADMA CHAUBEY | 2,8273.67% |
| KALYANPUR | Bihar | INC(I)RAM SUKUMARI DEVI | JNPSCBASHISHTHA NARAIN SINGH | 3,1543.64% |
| BRAHMPUR | Bihar | INC(I)RISHI KESH TIWARI | BJPSWAMI NATH TIWARI | 2,7743.58% |
| NATHNAGAR | Bihar | INC(I)TALIB ANSARI | INDCHUNCHUN PRASAD YADAV | 2,6823.51% |
| MANOHARPUR | Bihar | BJPRATNAKAR NAYAK | JMMMACHUWA GAGRAI | 8623.49% |
| PIRPAINTI | Bihar | INC(I)DILIP KUMAR SINHA | CPIAMBIKA PRASAD | 2,7313.44% |
| SITAMURHI | Bihar | INC(I)PIR MOHAMMAD ANSARI | JNPSCRAM SWARTHA RAI | 2,7053.29% |
| TARAPUR | Bihar | CPINARAYAN YADAV | INC(I)TARNI PRASAD SINGH | 2,5503.19% |
| MANIHARI | Bihar | JNPJPRAM SIPAHI YADAV | INC(I)MUBARAK HUSSAIN | 1,5953.12% |
| DANAPUR | Bihar | INC(I)BUDH DEO SINGH | INC(U)SUKH SAGAR SINGH | 1,9702.90% |
| DEHRI | Bihar | JNPSCMOHAMMAD ILIAS HUSSAIN | INC(I)KURSHID ANWAR | 2,0332.90% |
| RUPAULI | Bihar | INC(I)DINESH KUMAR SINGH | CPISARYUG PD. MANDAL | 1,9762.90% |
| RAJAULI | Bihar | JNPJPBANWARI RAM | BJPBABU LAL | 2,1732.78% |
| RAMGARH | Bihar | INC(I)PRABHAVATI SINGH | JNPSCSACHCHIDANAND | 1,7552.74% |
| PHULWARI | Bihar | INC(I)SANJEEV PRASAD TONY | CPIDASHRATH PASWAN | 2,1392.72% |
| BELAGANJ | Bihar | INC(U)SHATRUGHNA SHARAN SINGH | INDMAHESH PD. YADAV | 2,5152.67% |
| NARPATGANJ | Bihar | BJPJANARDAN YADAV | INC(U)SATYA NARAIN YADAV | 1,8562.61% |
| CHAUTHAM | Bihar | INC(I)GHANSHYAM SINGH | JNPSCJAGDAMBI MANDAL | 2,1352.58% |
| KATIHAR | Bihar | INC(I)SITARAM CHAMARIA | BJPJAGBANDHU ADHIKARI | 1,6442.58% |
| KESARIYA | Bihar | JNPJPRAI HARISHANKAR SHARMA | INC(I)LAXMAN SINGH | 1,8842.48% |
| KHARAGPUR | Bihar | JNPSCJAI PRA. NA. YADAV | INC(I)SADANAND SINGH | 1,9042.46% |
| BARKATHA | Bihar | CPIBHUWANESHWAR PRASAD MEHTA | INC(I)LALITA RAJYA LAXMI | 1,3892.42% |
| JAMALPUR | Bihar | JNPSCUPENDRA PRASAD VERMA | JNPJPAKCHHAY LAL | 1,7692.34% |
| JOKIHAT | Bihar | INC(I)MOIDUR REHMAN | INDJAHORUDDIN | 1,3652.33% |
| DALSINGHSARAI | Bihar | INC(I)JAGDISH PRASAD CHOUDHARY | JNPSCRAMPADARATH MAHTO | 1,7052.32% |
| PARU | Bihar | JNPSRNITISHWAR PRASAD SINGH | INC(I)VAIDEHI DEVI | 1,8912.30% |
| RAGHOPUR | Bihar | JNPSCUDEY NA. RAI | INC(I)RAM JAIPAL SINGH YADAV | 2,1642.29% |
| KURHANI | Bihar | JNPSCRAM PRAIKSHAN SAH | JNPJPSADHU SHARAN SAHI | 1,8882.27% |
| KISHANGANJ | Bihar | INC(I)SINGHESHWAR MEHTA | JNPSCRAJ NANDAN PRASAD | 1,6242.26% |
| BIKRAM | Bihar | CPIRAM NATH YADAV | INC(I)DIWAKAR SHARMA | 1,9492.20% |
| BELSAND | Bihar | JNPSCRAGHUBANS PRASAD SINGH | INC(I)RAMANAND SINGH | 1,5632.20% |
| AMOUR | Bihar | INC(I)M. MOIJUDDIN MINSHI | JNPSRNAZMUDDIN | 1,3452.18% |
| MOTIHARI | Bihar | INC(I)PRABHAWATI GUPTA | CPITRIVENI TIWARI | 1,5332.18% |
| KANKE | Bihar | INC(I)RAM RATAN RAM | CPIB. D. RAM | 8132.07% |
| BARSOI | Bihar | INC(I)BEULA DOZA | JNPJPYUVRAJ | 1,1422.03% |
| MANDU | Bihar | JNPSCRAMNIKA GUPTA | INC(I)TAPESHWAR DEO | 9901.89% |
| PATNA WEST | Bihar | INC(I)RANJEET SINHA | INC(U)KRISHNA NANDAN SAHAY | 1,6411.86% |
| CHERIA BARIARPUR | Bihar | CPISUKHDEO MAHTO | INC(I)HARIHAR MAHTO | 1,1261.84% |
| JANDAHA | Bihar | INDBIRENDRA SINGH | JNPSCSHIB PRASAD SINGH | 1,6871.73% |
| HAYAGHAT | Bihar | INC(I)MADAN MOHAN CHOUDHARY | JNPSCKAFIL AHMAD | 1,3441.69% |
| RAJMAHAL | Bihar | BJPDHRUB BHAGAT | INC(I)RAGHUNATH PRASAD SODANI | 1,1141.69% |
