Hemer
| Hemer  | |
|---|---|
| Haus Hemer | |
| Location of Hemer  within Märkischer Kreis   district | |
| Coordinates: 51°23′N 07°46′E / 51.383°N 7.767°E | |
| Country | Germany | 
| State | North Rhine-Westphalia | 
| Admin. region | Arnsberg | 
| District | Märkischer Kreis | 
| Government | |
| • Mayor (2020–25) | Christian Schweitzer (CDU) | 
| Area | |
|  • Total | 67.66 km2 (26.12 sq mi) | 
| Elevation | 208 m (682 ft) | 
| Population  (2023-12-31) | |
|  • Total | 35,022 | 
| • Density | 520/km2 (1,300/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 58675 | 
| Dialling codes | 02372 | 
| Vehicle registration | MK | 
| Website | www.hemer.de | 
Hemer (German pronunciation: [ˈheːmɐ] ⓘ) is a town in the Märkischer Kreis district, in North Rhine-Westphalia, Germany.