Iserlohn

Iserlohn
Bauernkirche
Location of Iserlohn within Märkischer Kreis district
Iserlohn
Iserlohn
Coordinates: 51°23′N 07°40′E / 51.383°N 7.667°E / 51.383; 7.667
CountryGermany
StateNorth Rhine-Westphalia
Admin. regionArnsberg
DistrictMärkischer Kreis
Subdivisions5
Government
  Mayor (2020–25) Michael Joithe (Die Iserlohner)
Area
  Total
125.49 km2 (48.45 sq mi)
Elevation
494 m (1,621 ft)
Population
 (2023-12-31)
  Total
91,884
  Density730/km2 (1,900/sq mi)
Time zoneUTC+01:00 (CET)
  Summer (DST)UTC+02:00 (CEST)
Postal codes
58636–58644
Dialling codes
  • 02371 (Iserlohn)
  • 02374 (Iserlohn-Letmathe)
  • 02304 (Schwerte, Iserlohn-Hennen)
  • 02352 (Altena, parts of Iserlohn-Kesbern)
  • 02378 (Fröndenberg- Langschede, Iserlohn-Drüpplingsen)
Vehicle registration
  • MK
  • IS until 1974
  • LS until 1979
Websitewww.iserlohn.de

Iserlohn (German: [iːzɐˈloːn] ; Westphalian: Iserlaun) is a city in the Märkischer Kreis district, in North Rhine-Westphalia, Germany. It is the largest city by population and area within the district and the Sauerland region.