Necochea Partido
Necochea Partido 
    Partido de Necochea  | |
|---|---|
location of Necochea Partido in Buenos Aires Province  | |
| Coordinates: 38°33′S 58°44′W / 38.550°S 58.733°W | |
| Country | Argentina | 
| Established | July 19, 1865 | 
| Founded by | Ángel Ignacio Murga | 
| Seat | Necochea | 
| Government | |
| • Mayor | Arturo Rojas (Nueva Necochea) | 
| Area | |
 • Total  | 4,455 km2 (1,720 sq mi) | 
| Elevation | 16 m (52 ft) | 
| Population  (2022)  | |
 • Total  | 104,977 | 
| • Density | 24/km2 (61/sq mi) | 
| Demonym | necochense | 
| Postal Code | B7630  | 
| IFAM | |
| Area Code | 02262 | 
| Patron saint | Virgen del Carmen | 
| Website | www | 
Necochea is a coastal partido and city area in the southeast of the Buenos Aires Province, Argentina. The seat of the municipality is the port of Necochea.
The partido has a population of around 104,977 people, in an area of 4,455 km2 (1,720 sq mi). In the census of 2001 Neochea Partido had a population density of exactly 20.00 inhabitants per square kilometre (51.8/sq mi).