Official results for the 1990 Arunachal Pradesh Legislative Assembly election. INC won the most seats with 37 out of 60.
Total seats: 60. Majority mark: 30.
| Party | Seats | Vote Share |
|---|---|---|
| INC | 37 | 44.2% |
| JD | 11 | 33.3% |
| IND | 11 | 20.1% |
| JP | 1 | 2.3% |
| Constituency | Winner | Party | Margin % |
|---|---|---|---|
| ALONG EAST | DOI ADO | INC | 7.9% |
| ALONG WEST | KIRGE ESHI | JD | 7.9% |
| ANINI | RAJESHTACHO | INC | 5.1% |
| BAMENG | DONGLO SONAM | IND | 5.7% |
| BASAR | TODAK BASAR | INC | 21.8% |
| BOMDILA | Shri Japu Deru | INC | 17.1% |
| BORDUMSA - DIYUN | C. C. SINGPHO | INC | 15.0% |
| BORDURIA BOGAPANI | L. WANGLAT | JD | 24.8% |
| CHANGLANG NORTH | WANGNIA PONGTE | INC | 11.3% |
| CHANGLANG SOUTH | TENGAM NGEMU | INC | 36.3% |
| CHAYANG TAJO | KAMENGDOLO | INC | 0.3% |
| CHOWKHAM | SOKIO DELLANG | IND | 6.0% |
| DAMBUK | BASSU PERME | JD | 6.5% |
| DAPORIJO | TADAK DULOM | INC | 25.0% |
| DIRANG | LOBSANG TSERING | IND | 15.0% |
| DOIMUKH | NGURANG TAZAP | INC | 2.1% |
| DUMPORIJO | LARBIN NASI | IND | 16.1% |
| HAYULIANG | KHAPRISO KRONG | IND | 13.0% |
| ITANAGAR | SHRI LICHI LEGI | JD | 10.5% |
| KALAKTANG | RINCHIN KHANDU KHRIMEY | INC | 31.3% |
| KANUBARI | NOKSONG BOHAM | INC | 2.2% |
| KHONSA EAST | T.L.RAJ KUMAR | INC | 28.3% |
| KHONSA WEST | SIJEN KONGKANG | INC | 10.8% |
| KOLORIANG | CHERA TALO | INC | NaN% |
| LEKANG | OMEM MOYONG DEORI | INC | 2.2% |
| LIKABALI | Dr RIMA TAIPODIA | JD | 6.2% |
| LIROMOBA | Lijum Ronya | INC | 4.9% |
| LONGDING PUMAO | LANGFU LUKHAM | IND | 0.4% |
| LUMLA | KARMA WANGCHU | INC | 26.2% |
| MARIYANG-GEKU | KABANG BORANG | INC | 10.2% |
| MEBO | LOMBO TAYENG | INC | 8.7% |
| MECHUKA | PASANG WANGCHUK SONA | IND | 5.8% |
| MIAO | SAMCHOM NGEMU | INC | 12.6% |
| MUKTO | DORJEE KHANDU | INC | NaN% |
| NACHO | Tanga Byaling | IND | 5.3% |
| NAMPONG | Komoli Mosang | INC | 4.5% |
| NAMSAI | C.P.NAMCHOOM | INC | 24.3% |
| NAMSANG | WANGPHA LOWANG | INC | 3.3% |
| NARI-KOYU | TAKODABI | JD | 0.2% |
| NYAPIN | TADAR TANIANG | INC | 1.4% |
| PAKKE KESSANG | DERA NATUNG | INC | 12.5% |
| PALIN | DUGI TAJIK | JD | 9.3% |
| PANGIN | TAHUNG TATAK | INC | 0.3% |
| PASIGHAT EAST | NINONG ERING | IND | 1.1% |
| PASIGHAT WEST | TARUNG PABIN | INC | 6.6% |
| PONGCHAU WAKKA | ANOK WANGSA | INC | 2.0% |
| RAGA | SHRI TALO MUGLI | INC | 22.1% |
| ROING | MUKUT MITHI | INC | 28.6% |
| RUMGONG | Tamiyo Taga | INC | 11.3% |
| SAGALEE | TABA HANIYA | JD | 3.9% |
| SEPPA EAST | MEPE DADA | JD | 4.1% |
| SEPPA WEST | HARI NOTUNG | IND | 13.5% |
| TALI | ZARA TATA | JP | 20.9% |
| TALIHA | TARA PAYENG | JD | 1.7% |
| TAWANG | THUPTEN TEMPA | INC | NaN% |
| TEZU | NAKUL CHAI | JD | 7.6% |
| THRIZINO-BURAGAON | SINAM DUSUSOW | INC | 22.1% |
| TUTING YINGKIONG | GEGONG APANG | INC | 62.0% |
| YACHULI | NEELAM TARAM | INC | 54.1% |
| ZIRO HAPOLI | PADI YUBBE | IND | 14.1% |