Siwan is a district in the Bihar State of India. Total area of Siwan is 2,219 km² including 2,192.12 km² rural area and 26.88 km² urban area. As per 2011 stats, Siwan has a population of 33,30,464 peoples, out of which urban population is 1,82,913 while rural population is 31,47,551. The district has a population density of 1501 inhabitants per square kilometre. There are about 5,35,661 houses in the district, including 28,606 urban houses and 5,07,055 rural houses. When it comes to villages, there are about 1,435 villages in siwan district.
The Siwan district is further divided in to Subdivisions / Blocks / PS / Community Development Blocks (C.D.Blocks) for administrative purposes. In India, the Block or C.D.Block is often the next level of administrative division after the tehsil. It is important to note that, In some states of India C.D.Blocks are equal to tehsils.
For those who don't know, the C.D.Block is a rural area earmarked for administration and development in India. The area is administered by a BDO (Block Development Officer). A C.D.Block covers several gram panchayats, local administrative unit at the village level.
Andar is the largest subdivision in siwan district covering area of 179.86 km² while Basantpur is the smallest subdivision in siwan district covering area of 52.04 km². Siwan is the most populous whereas Nautan is the least populous subdivision in siwan district. There are 19 subdivisions in Siwan district. Here is the list of all Siwan Subdivisions / Blocks / C.D.Blocks along with area & population information.
| # | Subdivision (CD Block) | Area (km²) | Population (2011) |
|---|---|---|---|
| 1 | Andar | 180 | 1,10,027 |
| 2 | Barharia | 179 | 3,21,292 |
| 3 | Basantpur | 52 | 1,05,229 |
| 4 | Bhagwanpur Hat | 158 | 2,20,651 |
| 5 | Darauli | 94 | 1,74,357 |
| 6 | Daraundha | 133 | 1,73,200 |
| 7 | Goriakothi | 143 | 2,23,709 |
| 8 | Guthani | 66 | 1,28,155 |
| 9 | Hasanpura | 157 | 1,49,580 |
| 10 | Hussainganj | 83 | 1,82,794 |
| 11 | Lakri Nabiganj | 93 | 1,28,899 |
| 12 | Maharajganj | 111 | 1,90,217 |
| 13 | Mairwa | 126 | 1,13,499 |
| 14 | Nautan | 59 | 90,714 |
| 15 | Pachrukhi | 129 | 2,01,759 |
| 16 | Raghunathpur | 100 | 1,57,694 |
| 17 | Siswan | 124 | 1,53,953 |
| 18 | Siwan | 130 | 3,40,983 |
| 19 | Ziradei | 100 | 1,63,752 |
| Particulars | Rural | Urban | Total |
|---|---|---|---|
| Total Population | 31,47,551 | 1,82,913 | 33,30,464 |
| Male Population | 15,79,685 | 95,405 | 16,75,090 |
| Female Population | 15,67,866 | 87,508 | 16,55,374 |
| Population Density | 1,436 / km² | 6,805 / km² | 1,501 / km² |
| District Overview | |
| District (Hindi) : | Siwan (सिवान) |
| State / UT : | Bihar |
| Total Area : | 2,219 km² |
| Total Population : | 33,30,464 |
| Density : | 1,501/km² |
| Total Subdivisions : | 19 |
| Total Villages : | 1,435 |
| Total Population | Villages in Siwan District |
| less Than 200 | 52 |
| 200 - 499 | 112 |
| 500 - 999 | 273 |
| 1000 - 1999 | 450 |
| 2000 - 4999 | 426 |
| 5000 - 9999 | 99 |
| 10000 and above | 23 |
* All survey data is based on Office of the Registrar General & Census Commissioner, Ministry of Home Affairs, Government of India, 2015 (censusindia.gov.in). Open Government Data Platform India.