|Elevation||77 m (253 ft)|
|• Official||Maithili, Hindi|
|Time zone||UTC+5:30 (IST)|
|Telephone code||+91 6246|
|ISO 3166 code||IN-BR|
|Lok Sabha constituency||Jhanjharpur|
|Vidhan Sabha constituency||Khajauli|
Jainagar (also spelled as Jaynagar) is a town and a notified area of Madhubani district in Bihar, India. It is situated on the holy Kamala River and has road and rail connections to Bihar's main cities Patna and to Nepal. The Jainagar is connected by Nepal Railways to Janakpur in Nepal. The local language is Maithili.
As of 2011[update] India census, Jainagar had a population of 1,77,556. Males constitute 53% of the population and females 47%. Jainagar has an average literacy rate of 58%, slightly below the national average of 74.04%. Male literacy is 98%, and female literacy is 88%. 16% of the population is under 6 years of age.
- "Towns & villages of Jainagar CD block in Madhubani district of Bihar, India". Census2011.co.in. Retrieved 2017-03-12.