Legislative districts of Caloocan

The legislative districts of Caloocan are the representations of the highly urbanized city of Caloocan in the various national legislatures of the Philippines. The city is currently represented in the lower house of the Congress of the Philippines through its first and second congressional districts.
History.
It was represented as part of the first district of Rizal from 1907 to 1972, and of Region IV from 1978 to 1984. It elected 2 assemblymen at-large to the Regular Batasang Pambansa from 1984 to 1986, and has been divided into two districts since the restoration of the House of Representatives in 1987.
Of the country’s 238 legislative districts, the 1st Legislative District of Caloocan was the biggest in terms of population size, with 1.19 million persons.
On March 09, 2021, the Senate passed on third and final reading House Bill No. 7700, a bill creating the 3rd legislative district in Caloocan City. It divides the first district of into two legislative districts. The first legislative district will be composed of Barangays 1 to 4, Barangays 77 to 86 and Barangays 132 to 177 while Barangays 178 to 188 will be the city’s third legislative district.