Samastipur Population
Estimated population in 2025
| Estimated population of Samastipur in 2025 | 5,260,477 |
| Estimated population of males in 2025 | 2,752,716 |
| Estimated population of males in 2025 | 2,507,761 |
Population as per 2011 census
| Population | 4,261,566 |
| Male Population | 2,230,003 |
| Female Population | 2,031,563 |
| Area (km2) | 2,904 |
| Density/km2 | 1,467 |
| Sex Ratio (Per 1000) | 911 |
| Child Sex Ratio (0-6 Age) | 923 |
| Literates | 2,142,880 |
| Male Literates | 1,293,575 |
| Female Literates | 849,305 |
| Average Literacy | 61.86% |
| Male Literacy | 71.25% |
| Female Literacy | 51.51% |
| Child Population (0-6 Age) | 797,381 |
| Boys Population (0-6 Age) | 414,586 |
| Girls Population (0-6 Age) | 382,795 |
| Child Proportion (0-6 Age) | 18.71% |
| Boys Proportion (0-6 Age) | 18.59% |
| Girls Proportion (0-6 Age) | 18.84% |
Samastipur Religion-wise Data
| Description | Population in 2011 | Percentage | Estimated Population in 2025 |
|---|---|---|---|
| Hindu | 3,800,598 |
89.18% |
4,691,458 |
| Muslims | 452,370 |
10.62% |
558,406 |
| Christian | 2,126 |
0.05% |
2,624 |
| Sikh | 554 |
0.01% |
684 |
| Buddhist | 292 |
0.01% |
360 |
| Jain | 231 |
0.01% |
285 |
| Not Stated | 5,283 |
0.12% |
6,521 |
| Others | 112 |
0.00% |
138 |
| Total | 4,261,566 |
100.00% |
5,260,477 |