| Diamond Harbour | |
| Settlement Type: | Town |
| Pushpin Map: | India West Bengal#India |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in West Bengal##Location in India |
| Coordinates: | 22.191°N 88.1905°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Type2: | Division |
| Subdivision Type3: | District |
| Subdivision Name1: | West Bengal |
| Subdivision Name2: | Presidency |
| Subdivision Name3: | South 24 Parganas |
| Government Type: | Municipality |
| Governing Body: | Diamond Harbour Municipality |
| Unit Pref: | Metric |
| Area Total Km2: | 10.36 |
| Elevation M: | 8 |
| Population Total: | 41802 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Bengali[1] [2] |
| Demographics1 Title2: | Additional official |
| Demographics1 Info2: | English |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 743331 |
| Area Code: | +91 3174 |
| Area Code Type: | Telephone code |
| Registration Plate: | WB-19 to WB-22, WB-95 to WB-99 |
| Blank1 Name Sec1: | Lok Sabha constituency |
| Blank1 Info Sec1: | Diamond Harbour |
| Blank2 Name Sec1: | Vidhan Sabha constituency |
| Blank2 Info Sec1: | Diamond Harbour |
Diamond Harbour (in Bengali ˈɖai̯mənɖ ˈɦaɾbaɾ/) is a town and a municipality of the South 24 Parganas district in the Indian state of West Bengal. It is situated on the eastern banks of the Hooghly River. It is the headquarters of the Diamond Harbour subdivision.[3]
Diamond Harbour was originally known as Hajipur, as it was situated on the banks of the Hajipur creek. The name Diamond Harbour was applied by the British, who used it for both river and sea shipping.[4] [5] The area was known since 16th and 17th-century Portuguese river pirates, (harmad).[6] There was a fort named Chingrikhali kella, reportedly built by Portuguese pirates during 1600s, presently dilapidated.[7]
Diamond Harbour subdivision is a rural subdivision with patches of urbanisation. Only 14.61% of the population lives in the urban areas and an overwhelming 85.39% lives in the rural areas. In the western portion of the subdivision (shown in the map alongside) there are 11 census towns. The entire district is situated in the Ganges Delta and the western part, located on the east bank of the Hooghly River, is covered by the Kulpi Diamond Harbour Plain, which is 5–6 metres above sea level. Archaeological excavations at Deulpota and Harinarayanpur, on the bank of the Hooghly River indicate the existence of human habitation more than 2,000 years ago.[8] [9] [10]
The map alongside presents some of the notable locations in the subdivision. All places marked in the map are linked in the larger full screen map.
Diamond Harbour is located at 22.191°N 88.1905°W. It has an average elevation of .[11]
Köppen-Geiger climate classification system classifies its climate as tropical wet and dry (Aw).
The overall climate of Diamond harbour is warm and humid. The summer temperature often crosses 35 °C when it drops 15 °C. The highest temperature ever was 43.0 °C, recorded on 21 May 2002. The lowest temperature dropped was 8.2 °C, on 13 January 2003. The annual average rainfall is 1600 mm. The air is moderately humid, around 76%.
According to the 2011 Census of India, Diamond Harbour had a total population of 41,802, of which 21,050 were males and 20,752 were females. There were 3,688 people in the age range of 0 to 6 years. The total number of literate people was 32,753, which constituted 78.4% of the population with male literacy of 81.7% and female literacy of 75.0%. The effective literacy (7+) of population over 6 years of age was 85.9%, of which male literacy rate was 89.6% and female literacy rate was 82.2%. The Scheduled Castes and Scheduled Tribes population was 5,221 and 72 respectively. Diamond Harbour had a total of 10,048 households as of 2011.[12]
According to the 2001 Census of India, Diamond Harbour had a total population of 37,234. Males constitute 51% of the population and females 49%. It has an average literacy rate of 72%, higher than the national average of 59.5%: male literacy is 77%, and female literacy is 67%. 10% of the population is under 6 years of age.[13]
Diamond Harbour Municipality covers an area of . It has jurisdiction over parts of the Diamond Harbour. The municipality was established in . It is divided into 16 wards. According to the 2022 municipal election, it is being controlled by the All India Trinamool Congress.[14] [15]
Diamond Harbour police station covers an area of . It has jurisdiction over parts of the Diamond Harbour Municipality, and the Diamond Harbour I and Diamond Harbour II CD blocks.[16] [17]
Diamond Harbour women police station has jurisdiction over parts of the Diamond Harbour Municipality, and the Diamond Harbour I and Diamond Harbour II CD blocks.[18] [17]
The headquarters of the Diamond Harbour I CD block are located at Diamond Harbour.[19]
Kolkata Port Trust is considering construction of cargo-handling jetties at Diamond Harbour.[20]
With the electrification of the railways, suburban traffic has grown tremendously since the 1960s. As of 2005–06, more than 1.7 million (17 lakhs) commuters use the Kolkata Suburban Railway system daily. After the partition of India, refugees from East Pakistan/ Bangladesh had a strong impact on the development of urban areas in the periphery of Kolkata. The new immigrants depended on Kolkata for their livelihood, thus increasing the number of commuters. Eastern Railway runs 1,272 EMU trains daily.[24]
Diamond Harbour Subdivisional Hospital, with 250 beds, is the major government medical facility in the Diamond Harbour subdivision.[29]