Kantlia is a census town in Domjur CD Block of Howrah Sadar subdivision in Howrah district in the Indian state of West Bengal.
Kantlia is located at .
As per 2011 Census of India Kantlia had a total population of 9,567 of which 4,879 (51%) were males and 4,688 (49%) were females. Population below 6 years was 1,054. The total number of literates in Kantlia was 6,846 (80.42% of the population over 6 years).
Kantlia was part of Kolkata Urban Agglomeration in 2011 census.
India census, Kantlia had a population of 7371. Males constitute 52% of the population and females 48%. Kantlia has an average literacy rate of 67%, higher than the national average of 59.5%: male literacy is 73% and female literacy is 61%. In Kantlia, 13% of the population is under 6 years of age.
Amta Road (part of State Highway 15) is the artery of the town.
Dansi railway station and Jhaluarbar railway station are the nearest railway stations on Howrah-Amta line.