| Bahadurganj | |
| Settlement Type: | Town |
| Pushpin Map: | India Bihar |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Bihar, India |
| Coordinates: | 26.27°N 87.82°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Subdivision Type2: | Division |
| Subdivision Name2: | Purnia |
| Unit Pref: | Metric |
| Elevation M: | 51 |
| Population Total: | 36993 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Hindi, Urdu |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Blank1 Name Sec1: | Lok Sabha constituency |
| Blank1 Info Sec1: | Kishanganj |
| Blank2 Name Sec1: | Vidhan Sabha constituency |
| Blank2 Info Sec1: | Bahadurganj |
| Subdivision Type3: | District |
| Subdivision Name3: | Kishanganj |
| Demographics1 Title2: | Native |
| Demographics1 Info2: | Surjapuri |
Bahadurganj is a town nestled in the Tarai of Himalaya and a notified area in Kishanganj district in the state of Bihar, India.
Bahadurganj is town at .[1] It has an average elevation of 51 metres (167 feet).
India census,[2] Bahadurganj had a population of 28,224. Males constitute 53% of the population and females 47%. Bahadurganj has an average literacy rate of 34%, lower than the national average of 59.5%; with 69% of the males and 31% of females literate. 21% of the population is under 6 years of age.
As per 2011 census report[3] Bahadurganj has a total population of 36,993 of which 51.02% are males while 48.98% are females. In Bahadurganj Nagar Panchayat, Female Sex Ratio is of 960 against state average of 918.Moreover, Child Sex Ratio in Bahadurganj is around 1010 compared to Bihar state average of 935. Literacy rate of Bahadurganj city is 61.90% higher than state average of 61.80%. In Bahadurganj, Male literacy is around 68.42% while female literacy rate is 55.02%. Population of Children with age of 0-6 is 7019 which is 18.97% of total population of Bahadurganj (NP).