 
 The 1769 census was the first census covering the Oldenburg State: the Kingdom of Denmark, the Kingdom of Norway (including the Faroese Islands and Iceland), the Duchy of Schleswig, the Duchy of Holstein, and the Countship of Oldenburg.
| Country | Region | Inhabitants | 
|---|---|---|
| Denmark | in total | 786,000+ [1] | 
| Norway | in total | 774,000 | 
| Norway proper | 723,000 [1] | |
| Faroese Islands | 5,000 [1] | |
| Iceland | 46,000 [1] | |
| Greenland | 6000 [1] | |
| Schleswig | in total | 244,000 [1] | 
| Holstein | in total | 279,000 | 
| royal part | 135,000 [1] | |
| ducal part | 144,000 [1] | |
| Oldenburg | in total | 79,000 [1] |