Södermanland County

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Södermanland County
Södermanlands län
County of Sweden
Coat of arms of Södermanland County
Coat of arms
Official logo of Södermanland County
Country Sweden
Formed 1634
Capital Nyköping
 • Governor Liselott Hagberg
 • Council Landstinget Sörmland
 • Total 5,619.3 km2 (2,169.6 sq mi)
Population (March 31 2011)[1]
 • Total 270,981
 • Density 48/km2 (120/sq mi)
Time zone CET (UTC+1)
 • Summer (DST) CEST (UTC+2)
ISO 3166 code SE-D
GDP/ Nominal SEK 52,235 million (2004)
GDP per capita SEK 202,000
NUTS Region SE122
Website www.d.lst.se
Södermanland County.png

Södermanland County (Södermanlands län) is a county or län on the southeast coast of Sweden. It is often shortened and pronounced as Sörmlands län. It borders the counties of Östergötland, Örebro, Västmanland, Uppsala, Stockholm and to the Baltic sea. It holds the popular camping route called "Sörmlandsleden" which is a system of trails covering a total of approximately 100 mil (1000 km) of walking paths, in Södermanland.

It is an administrative unit, covering most of the province Södermanland. The eastern parts of the Södermanland province, largely corresponding to the Södertörn area, belong to Stockholm County.

Södermanland is the wealthiest county in Sweden at the moment due to wealthy cities such as Trosa, which holds the position of 4th wealthiest community in Sweden, within its borders.


The main aim of the County Administrative Board is to fulfil the goals set in national politics by the Riksdag and the Government, to coordinate the interests of the county, to promote the development of the county, to establish regional goals and safeguard the due process of law in the handling of each case. The County Administrative Board is a Government Agency headed by a Governor. See List of Södermanland Governors.

Geography and climate[edit]

Södermanland runs between the lake Mälaren to the north and the Baltic Sea to its east and south. There is a large distance between the two main urban areas Eskilstuna and Nyköping of roughly 80 kilometres (50 mi), and vast forested areas in between. The centre of Södermanland is spread out between four municipality seats namely Vingåker, Katrineholm, Flen and Gnesta that separate the southern and northern areas of the county. Most parts are low-lying being part of the Mälar valley, but some higher areas can be found.

The climate much like other parts of southern Sweden is a mix between oceanic and moderated continental. Summers highs are most often around 22 °C (72 °F) and winter highs around 0 °C (32 °F). It can heavily fluctuate between different years with influences from different weather systems. Most often winters are still pronounced enough for the climate to be a clear four-season climate.


The County Council of Södermanland or Landstinget i Sörmlands län is the self-governing local authority of Södermanland.


Localities by population[edit]

Pos Locality ! Population
1 Eskilstuna 64,679
2 Nyköping 29,891
3 Katrineholm 21,993
4 Strängnäs 12,856
5 Oxelösund 10,870
6 Torshälla 7,612
7 Flen 6,229
8 Gnesta 5,562
9 Trosa 5,027
10 Vingåker 4,282
11 Arnö 3,871
12 Mariefred 3,726
13 Vagnhärad 3,324
14 Åkers styckebruk 2,891
15 Skogstorp 2,860
16 Abborrberget 2,141
17 Malmköping 1,977
18 Stigtomta 1,942
19 Stallarholmen 1,623
20 Hälleforsnäs 1,585
21 Valla 1,517
22 Ärla 1,270
23 Svalsta 1,078



Södermanland County inherited its coat of arms from the province of Södermanland. When it is shown with a royal crown it represents the County Administrative Board.


The province of Södermanland was divided into three counties in the 17th century; Nyköping County, Gripsholm County and Eskilstunahus County. They were merged into present day Södermanland County in 1683.

References and notes[edit]

External links[edit]

Coordinates: 58°46′16″N 16°52′10″E / 58.771048°N 16.869507°E / 58.771048; 16.869507