One anecdote believes that: When it was still a sitio and long been called Calaca, three Spanish officials happened to pass by.

6598 was filed for the conversion of the municipality of Calaca into a component city in the province of Batangas.

[9] On August 19, 2021, COMELEC postponed the plebiscite which seeks to ratify the conversion of the municipality of Calaca into a city for the preparation of the 2022 elections.

11544 after ratification of the law, Calaca becomes the fifth city in Batangas and the first in the province's 1st legislative district.

Calaca is currently identified by the Philippine Statistics Agency as a 1st class municipal economic zone.

[23] The Philippine Statistics Agency as of September 2022 had not made a determination of the income classification on the city scale for Calaca based on the previous four years of revenue.