Jaltenco is one of the 125 municipalities of the State of Mexico. It is the smallest municipality in the Zumpango Region, it has an area of 4.73 km². Its municipal head is the population of San Andrés Jaltenco. It limits to the north with the municipality of Zumpango. To the south with Nextlalpan. To the east with Zumpango. And to the west with Nextlalpan, the municipality has an enclave known as Alborada Jaltenco, which borders Tonanitla and Ecatepec de Morelos, and according to the 2010 census it has a total population of 26,328 inhabitants.