On November 22, 1874 the first municipal council is installed, investing as Mayor to Mr. Juan Rodríguez; as Deputy Mayor, Mr. Esteban Naveda; as councilor, Mr. Manuel Márquez Paredes; as auditors, Messrs Teodorico Terry and José María Cabrera.

However, it is known that in the political system of the Geographical Society of Lima, Nepeña appears as district, founded by the Protector of Peru José de San Martín, on February 12, 1821.

It has been established as a commemorative date of political creation of Nepeña district on April 12 of each year, carrying out a ceremony at the District Municipality.

Chaplaincy), Nepeña, La Grama (In en.

The Punkurí museum is located on the Nepeña territory.