Iserlohn
| Iserlohn  | |
|---|---|
| Bauernkirche | |
| Coordinates: 51°23′N 07°40′E / 51.383°N 7.667°E | |
| Country | Germany | 
| State | North Rhine-Westphalia | 
| Admin. region | Arnsberg | 
| District | Märkischer Kreis | 
| Subdivisions | 5 | 
| 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 | 
| • Density | 730/km2 (1,900/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 58636–58644 | 
| Dialling codes | 
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| Vehicle registration | 
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| Website | www.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.