|• Total||694.24 km2 (268.05 sq mi)|
|• Land||525.15 km2 (202.76 sq mi)|
|• Water||169.09 km2 (65.29 sq mi)|
|Area as of January 1, 2014.|
|Population (December 31, 2016)|
|• Density||140/km2 (350/sq mi)|
|Time zone||CET (UTC+1)|
|• Summer (DST)||CEST (UTC+2)|
|ISO 3166 code||SE|
|Density is calculated using land area only.|
It borders to Lake Mälaren in the north and the Baltic Sea in the south, and within the Stockholm County to Nykvarn Municipality and Salem Municipality and also border Södermanland County and its municipals Gnesta and Trosa.
Of the total population of 83,600, more than 22,000 are Assyrian/Syriac immigrants arriving in this area since the 1960s and 1970s, and has the largest group of any other cities in Europe. Since early 2000s, large numbers of Iraqis immigrants settled in Södertälje and the city has taken more Iraqi immigrants than the United States and Canada combined, even though these countries have a combined population of around 335 million.
Södertälje also has the fifth largest number of Finnish-speaking Sweden Finns in Sweden: 11,000, or around 13 per cent of the city population. Thus, taken together, Assyrians / Syriacs and Finns account for 40 per cent of the inhabitants of the city.
The municipality was created 1967–1971 through the amalgamation of the former City of Södertälje with large rural and suburban areas surrounding it. In 1999, it was split when a new entity, Nykvarn Municipality, was detached from Södertälje Municipality.
Two big industries dominate Södertälje. Scania AB is a world leading manufacturer of trucks and busses and employed over 9.000 people. AstraZeneca is an international manufacturer of drugs (medicine) employing over 3.000 people. The municipal Södertälje itself employs over 5.600 people including teachers and people working with elderly people.
The birthplace of Björn Borg
The municipality is twinned with:
- "Statistiska centralbyrån, Kommunarealer den 1 januari 2014" (Microsoft Excel) (in Swedish). Statistics Sweden. Retrieved 2014-04-18.
- "Folkmängd i riket, län och kommuner 31 december 2016" (in Swedish). Statistics Sweden. February 21, 2017. Retrieved February 21, 2017.
- Södertälje Municipality - Official site