| Sumkar District | |
|---|---|
| Location within Papua New Guinea | |
| Coordinates: 4°39′07″S 145°58′37″E / 4.652°S 145.977°E | |
| Country | Papua New Guinea |
| Province | Madang Province |
| Capital | Karkar Island |
| Area | |
| • Total | 2,001 km2 (773 sq mi) |
| Population (2011 census) | |
| • Total | 84,944 |
| • Density | 42/km2 (110/sq mi) |
| Time zone | AEST (UTC+10) |
Sumkar District is a district in the north of Madang Province in Papua New Guinea. It is one of the six administrative districts that make up the province. Sumkar is a district which is made up of Karkar Island and part of mainland NCR.
Coordinates: 4°39′07″S 145°58′37″E / 4.652°S 145.977°E