Cluj County
| Cluj County | |
|---|---|
| Location within Romania | |
| Coordinates: 46°43′N 23°32′E / 46.717°N 23.533°E | |
| Country | Romania | 
| Historical region | Transylvania | 
| Development region | Nord-Vest | 
| Capital | Cluj-Napoca | 
| Government | |
| • Type | County Council | 
| • President of the County Council | Alin Tișe (PNL) | 
| • Prefect | Irina Munteanu | 
| Area | |
|  • Total | 6,674 km2 (2,577 sq mi) | 
| • Rank | 12th | 
| Population  (2021-12-01) | |
|  • Total | 679,141 | 
| • Rank | 4th | 
| • Density | 100/km2 (260/sq mi) | 
| Demonym(s) | Clujean (male) Clujeancă (female) | 
| Time zone | UTC+2 (EET) | 
| • Summer (DST) | UTC+3 (EEST) | 
| Postal code | 40wxyz1 | 
| Area code | +40 x642 | 
| Car plate | CJ3 | 
| GDP nominal | US$22.001 billion (2025) | 
| GDP/capita | US$32,395 (2025) | 
| Website | County Council County Prefecture | 
Cluj County (Romanian pronunciation: [kluʒ] ⓘ) is a county (județ) of Romania, in Transylvania. Its seat is Cluj-Napoca.