Nyköping
- 📍 Location: Södermanland County,
county seat - 🌍 Region: Svealand
- 👥 Population: 58,310 (Dec 31, 2025)
- 🏙️ Largest towns: Nyköping, Stigtomta, Svalsta
- 📐 Area: 1,424 km² (land area)
- 🚗 To Stockholm: about 88 km in a straight line
- ⏰ Time zone: CET (UTC +1, DST CEST +2)
- 💰 Currency: Swedish krona (SEK)
Answers to frequently asked questions
What is the population of Nyköping Municipality?
Nyköping Municipality had 58,310 residents on December 31, 2025, up 1,239 (2.2%) from December 31, 2020 (Statistics Sweden).
Which county is Nyköping Municipality in?
Nyköping Municipality is in Södermanland County, in the Svealand region of Sweden. The county has 9 municipalities and its seat is Nyköping.
What are the largest towns in Nyköping Municipality?
The largest urban area is Nyköping with 39,770 residents, followed by Stigtomta (1,937), Svalsta (1,140), Bergshammar (920) and Tystberga (890). In total the municipality has 14 urban areas (Statistics Sweden, 2023).
Is Nyköping a county seat?
Yes, Nyköping is the county seat of Södermanland County, home of the County Administrative Board. The county has 9 municipalities.
How far is Nyköping from Stockholm?
Nyköping is about 88 km from Stockholm in a straight line. The distance by road is longer.
How large is Nyköping Municipality?
The land area of Nyköping Municipality is 1,424 km² (Statistics Sweden, 2025). Population density is 41 residents per km².
What is Nyköping Municipality known for?
Nyköping Municipality is known for Nyköping Castle, the medieval fortress where the Nyköping Banquet took place in 1317, and for Stockholm Skavsta Airport. The town also has a long industrial history, including Saab and Wedholms.