Lalam’s history is deeply connected to the broader narrative of the Meenachil Taluk and Kottayam district. Historically, this region was part of the local Meenachil principality before being absorbed into the Kingdom of Travancore in the 18th century by Maharaja Marthanda Varma. The fertile banks of the Meenachil River made it an early settlement for agricultural communities who initially focused on rice, coconut, and spices like black pepper.
The most transformative period in Lalam’s modern history occurred in the early to mid-20th century with the introduction of commercial rubber cultivation. Planters and local farmers adopted natural rubber (Hevea brasiliensis), which thrived in the local climate and soil, turning the region into a major economic engine for the state.
Post-independence, Lalam became an integral part of Kerala's democratic framework, participating actively in the state's land reforms of the 1960s and 1970s. In recent decades, the history of the region has been shaped by the Gulf Boom—a wave of emigration to the Middle East and Western countries—which brought substantial remittances, transforming local architecture, infrastructure, and educational priorities.