Meanwhile, Clavijero in his book Ancient History of Mexico says that "Cortes Amecameca Ayotzingo became, instead serving as places of hot earth.

"Chalco, in 1533, becomes real Province for hearing decision" was of great importance as a production area of corn, wheat, barley, straw, wood, charcoal, fruits, vegetables, construction materials such as wood, volcanic rock and stone for his Piers Aytozingo and Chalco that were favored by the heavy traffic and near the city of Mexico.

The judges continued in Chalco and elsewhere throughout the colonial period, large property of Chalco had its origins in the royal grants awarded between 1560 and 1642, the first land grant was awarded in 1565 to Juan Bautista Avendano, Anton Mendez in 1614 and 1641 Hernando de Aguilar, Alfonso Núñez Casillas and Diego Ruiz Lozano, asked permission to bring and pursue breeding cows to produce milk, cheese, butter, and so on.

Chalco also hosted the meeting of Maximilian and Empress Carlota Amalia, who comes to receive when returning from Yucatán.

"It stands out in the State of Mexico's indigenous peasant rebellion made by Julio Lopez Chavez that although it was very short (December 1867-1868), had a great importance to regional and national level, is why some authors such as Gaston Garcia Cantu, Manuel Diaz Ramirez, John Hart and others have argued that this movement was precursor of the Zapatista movement (almost 40 years earlier).

Julio Lopez Chavez began his agrarian movement in favor of the division of estates among indigenous exploited, because for him the Indians were the landowners, this movement started in San Francisco Acuautla, Coatepec and San Vicente Chicoloapan, it is also executed on July 9, 1868 within the school of Lightning and Socialism ".

During the Porfiriato a major economic activity takes place, as the meeting point for traders from different places, the water communication continues with its canoes and steamboats, industry reaches further development and goods reach their peak and its beginnings were in the late sixteenth and early seventeenth century.

Among the farms that stand out are those of Xico, the Company, the Moral, among others; also in 1895 the Regional School of Agriculture which was not successful installed and in the same year is desiccated Lake Chalco, disappearing the few fishermen who had later these lands were used as farmland.

In 1890 the president of Mexico, General Porfirio Díaz laid the foundation stone for the first City Hall and in 1893 was opened by the same agent.

According to Chimalpahin, they came from Tula and named themselves "chalcas" The second group arriving were the Mihuaques, who hadn't leaders and adopted those ones of the Acxotecas.

Now many capitalinos (residents of the capital) are moving to Chalco looking for more peace and tranquility also because housing prices are so high in Mexico City.