|— city —|
|District||South 24 Parganas|
|Elevation||8.5 m (27.9 ft)|
|• Official||Bengali, English|
|Time zone||IST (UTC+5:30)|
|Lok Sabha constituency||Jadavpur|
|Vidhan Sabha constituency||Sonarpur Uttar, Sonarpur Dakshin|
Rajpur Sonarpur is a city and a municipality under Sonarpur police station of Baruipur subdivision in South 24 Parganas district in the Indian state of West Bengal. While they form a common municipality both the places are also identified individually.
Rajpur is located atIt has an average elevation of 8 m (26 ft).
Sonarpur is located atIt has an average elevation of 9 m (30 ft).
As of 2011[update] India census, Rajpur Sonarpur had a population of 4,23,806. Males constitute 50.96% of the population while females constitute 49.04%. Rajpur Sonarpur has an average literacy rate of 91.06%, higher than the national average of 74.04%. 7.45% of the total population is under 6 years of age.
With the partition of India there was a massive influx of refugees from East Pakistan into Kolkata and its peripheral areas. Of over a million refugees who entered West Bengal in 1950 alone settled mostly in squatter colonies between Naihati and Sonarpur on the east bank of the Hooghly and between Mogra and Uluberia on the west bank.
There are many primary, secondary and higher secondary schools in this area. Some popular of them are, Sonarpur Vidyapith, Rajpur Vidyanidhi High School (local name : Bangla School), Harinavi DVAS High School, Subhashini Balika Vidyalaya, Kamrabad High school for Boys and Girls, Padmamani Balika Vidyalaya, Atulkrishna High school, Sri Sri Sarada Vidyapith, Sonarpur Sishu Vidyapith, Shishu Niketan, etc. There is also one general college (Sonarpur Mahavidyalaya) under the University of Calcutta and one private Engineering-Management college, Future Institute of Engineering and Management.Giribala Primary school, Nafar Chandra Balika Vidyalaya(girls), Anukul Chandra High School(boys)are most famous schools
High levels of arsenic in ground water was found in 12 blocks of the district. Water samples collected from tubewells in the affected places contained arsenic above the normal level (10 microgram a litre as specified by the World Health Organisation). The affected blocks are Baruipur, Bhangar I, Bhangar II, Bishnupur I, Bishnupur II, Basanti, Budge Budge, Canning I, Canning II, Sonarpur, Mograhat II and Joynagar. 
- "Census of India". District-wise list of stautory towns. Directorate of census operations, West Bengal. Retrieved 2007-09-02.
- "Census of India 2001: Data from the 2001 Census, including cities, villages and towns (Provisional)". Census Commission of India. Archived from the original on 2004-06-16. Retrieved 2008-11-01.
- Chatterjee, Nilanjana, The East Bengal Refugees – A Lesson in Survival, in Calcutta, the Living City, Vol II, edited by Sukanta Chaudhuri, pp 74-75, Oxford University Press, ISBN 0-19-563697-X
- "High arsenic levels in South". The Statesman, 24 June 2007. Archived from the original on 2007-09-29. Retrieved 2007-09-03.
Primary healthcare is provided by Soanrpur Rural Hospital, situated at Subhasgram.