Siwan Population in 2025
In 2025, Siwan Tehsil current estimated population is projected to be 4.26 Lac (4,25,926), indicating a 24.91% increased from Siwan's population in the 2011 census. In 2025, the estimated male population is 2.19 Lac, and the estimated female population is 2.07 Lac.
Siwan Estimated Population in 2026
In the year 2026, Siwan Tehsil estimated population is projected to be 4.32 Lac (4,31,720), projecting a 26.61% increased from Siwan's population in the 2011 census. In 2026, the estimated male population is 2.21 Lac, and the estimated female population is 2.10 Lac.
Siwan Census 2011: Key Statistics and Insights
As per the 2011 Census, Siwan Tehsil has a population of 3.41 Lac (3,40,983) with 1.76 Lac (1,75,778) males and 1.65 Lac (1,65,205) females.The sex ratio in Siwan is 940, indicating a below-average ratio compared to the national average of 943 .
Child Population (Age group 0-6 years) of Siwan Tehsil is 53.20 k (53,195) which is 15.6% of Siwan Tehsil overall population, Child sex Ratio of Siwan Tehsil is 931 females for every 1000 males.
Note : In the 2011 Census, the Siwan Subdistrict (Tahsil) is listed as part of the Siwan District in the state of BIHAR in India.
Total Population
Male Population
Female Population
Siwan Hindu Population
Hindu is the most popular religion in Siwan Tehsil, with a total Hindu population of 2.48 Lac (2,48,387), accounting for 72.84% of the Siwan Tehsil population. Out of this, the Hindu male population stands at approximately 1.29 Lac (1,28,527), and the Hindu female population is around 1.20 Lac (1,19,860).
Siwan Muslim Population
Muslim is the second most popular religion in Siwan Tehsil, with a total Muslim population of 90.77 k (90,770), accounting for 26.62% of the Siwan Tehsil population. Out of this, the Muslim male population stands at approximately 46.32 k (46,320), and the Muslim female population is around 44.45 k (44,450).
Siwan Religion Wise Population
| Religion | Count | Percentage |
|---|---|---|
| Hindu | 2,48,387 | 72.84% |
| Muslim | 90,770 | 26.62% |
| Religion not stated | 1,164 | 0.34% |
| Christian | 328 | 0.1% |
| Sikh | 118 | 0.03% |
| Jain | 109 | 0.03% |
| Buddhist | 105 | 0.03% |
| Other religions and persuasions | 2 | 0% |
Based on Data from Census 2011
Explore State wise Religion PopulationSiwan Urban Population
The Urban population of Siwan Tehsil is 1.35 Lac (1,35,066), with 70.76 k (70,756) being males and 64.31 k (64,310) being females, making up 39.61% of the Siwan total population, The sex ratio in urban population is 909 females for every 1000 males.
Siwan Rural Population
The Rural population of Siwan Tehsil is 2.06 Lac (2,05,917), with 1.05 Lac (1,05,022) being males and 1.01 Lac (1,00,895) being females, making up 60.39% of the Siwan total population, The sex ratio in rural population is 961 females for every 1000 males.
Siwan Literacy Rate
Siwan Tehsil has a literacy rate of 74.48% which is higher than national average of 72.98%, The Male literacy rate of Siwan Tehsil is 83.44 higher than national average of 80.88%, The Female literacy rate of Siwan Tehsil is 64.97 higher than national average of 64.63%. In Siwan Tehsil's urban areas, the literacy rate is approximately 79.61%, while in the rural regions of Siwan Tehsil, it is around 70.98%.
Literacy Rate among Urban and rural area of Siwan
| Category | Average Literacy Rate | Male Literacy Rate | Female Literacy Rate |
|---|---|---|---|
| Total Population | 74.48 | 83.44 | 64.97 |
| Urban Area | 79.61 | 85.17 | 73.5 |
| Rural Area | 70.98 | 82.22 | 59.32 |
Literacy Rate by Religion in Siwan
| Religion | Average Literacy Rate | Male Literacy Rate | Female Literacy Rate |
|---|---|---|---|
| Hindu | 74.3 | 84.02 | 63.88 |
| Muslim | 74.77 | 81.66 | 67.6 |
| Religion not stated | 85.08 | 90.72 | 79.63 |
| Christian | 83.58 | 88.28 | 79.45 |
Siwan Scheduled Castes (SC) Population
Scheduled Castes(SC) Population in Siwan Tehsil is 33.68 k (33,682) with 17.24 k (17,238) males and 16.44 k (16,444) females, which is 9.88% of Siwan Tehsil overall population. The Sex Ratio among Scheduled Caste is 954 females for every 1000 males.
Siwan Scheduled Tribes (ST) Population
Scheduled Tribes(ST) Population in Siwan Tehsil is 7.15 k (7,149) with 3.66 k (3,664) males and 3.49 k (3,485) females, which is 2.1% of Siwan Tehsil overall population. The Sex Ratio among Scheduled Tribes is 952 females for every 1000 males.
Sex Ratio among Urban and Rural Areas of Siwan
| Category | Sex Ratio |
|---|---|
| Total Population | 940 |
| Urban Area | 909 |
| Rural Area | 961 |
Sex Ratio by Religion in Siwan
| Religion | Sex Ratio |
|---|---|
| Hindu | 933 |
| Muslim | 960 |
| Religion not stated | 967 |
| Christian | 1158 |
Siwan Area & Households
The Total Area of Siwan Tehsil is 130.44 Square KM, with a population density of 2,614 people per square kilometer, Total Number of towns in Siwan Tehsil are 1 and the Total Number of Villages in Siwan Tehsil are 81.The Total Number of households in Siwan Tehsil are 52.59 k(52,594).
Siwan Workforce (Worker Profile) Overview
In Siwan Tehsil, there are about 1.02 Lac (1,01,865) workers, making up nearly 29.87% of the Siwan Tehsil total population. Out of these, around 78.82 k (78,823) are male workers, and about 23.04 k (23,042) are female workers.
Siwan - Estimated Population: Yearly Projections Up to 2036
| Year | Estimated Population | Total Growth Since 2011 | Annual Growth |
|---|---|---|---|
| 2025 | 4.26 Lac (4,25,926) | 24.91% | ↑ |
| 2026 | 4.32 Lac (4,31,720) | 26.61% | 1.7 % ↑ |
| 2027 | 4.37 Lac (4,37,405) | 28.28% | 1.67 % ↑ |
| 2028 | 4.43 Lac (4,43,089) | 29.94% | 1.66 % ↑ |
| 2029 | 4.49 Lac (4,48,773) | 31.61% | 1.67 % ↑ |
| 2030 | 4.54 Lac (4,54,458) | 33.28% | 1.67 % ↑ |
| 2031 | 4.60 Lac (4,59,676) | 34.81% | 1.53 % ↑ |
| 2032 | 4.65 Lac (4,64,557) | 36.24% | 1.43 % ↑ |
| 2033 | 4.69 Lac (4,69,438) | 37.67% | 1.43 % ↑ |
| 2034 | 4.74 Lac (4,74,319) | 39.1% | 1.43 % ↑ |
| 2035 | 4.79 Lac (4,79,200) | 40.53% | 1.43 % ↑ |
| 2036 | 4.84 Lac (4,84,081) | 41.97% | 1.44 % ↑ |
Projected estimates indicate that Siwan Tehsil's population in 2036 is expected to reach around 4.84 Lac (4,84,081), with a male population of 2.47 Lac (2,47,359) and a female population of 2.37 Lac (2,36,774). This reflects a total growth of 41.97% from Siwan Tehsil's population in the 2011 census, with an average yearly growth rate of 1.55%.